| Organization Name(s) | Located In |
| Oak Street Community Gardens | Kingston |
| Oakpark Retirement Community | Ottawa |
| Oakwood Preschool Educational Centre | Kingston |
| Obsessive-Compulsive Disorder (OCD) Support Group of Ottawa | Ottawa |
| Occupational Therapy for Living Well | Orléans |
| OCD Parent/Family Support Group of Ottawa | Nepean |
| Odawa Native Friendship Centre | Ottawa |
| Odawa Native Friendship Centre, Shawenjeagamik Aboriginal Drop-in Centre | Ottawa |
| Oddfellows and Rebekah Lodge | Trenton |
| Odessa Free Methodist Church | Odessa |
| Odessa Pastoral Charge, Emmanuel United Church, Community Sharing Centre | Odessa |
| Office of Francophone Affairs | Toronto |
| Office of the Independent Police Review Director | Toronto |
| Office of the Provincial Advocate for Children and Youth | Toronto |
| Ogilvie Villa Retirement Residence | Gloucester |
| O'Hara Mill Conservation Area, O'Hara Mill Homestead | Belleville |
| Old Hastings Snowriders | Hastings County |
| Old MacDonald Day Care Centre | Kingston |
| Old Stone Mill National Historic Site, Delta Mill Society | Delta |
| Olde Forge Community Resource Centre | Ottawa |
| Olde Forge Community Resource Centre, Community Support Services | Ottawa |
| Olde Forge Community Resource Centre, Day Program | Ottawa |
| Om4Youth, Yoga & Arts for Youth At Risk | Ottawa |
| Omni Learning Centre | Belleville |
| Omni Learning Centre, Morning and Afternoon Programs, Morning Class Time : 8:50 am - 11:30 am, Afternoon Class time : 12:50 pm - 3:30 pm | Belleville |
| One Parent Families Association of Canada, Limestone Chapter (Kingston) | Kingston |
| One Parent Families Association of Canada, Ottawa-Gatineau Chapter | Ottawa |
| One Parent Families Association of Canada, Thousand Islands Chapter | Brockville |
| Ongwanada | Kingston |
| Ongwanada, Community Behavioural Service, Kingston | Kingston |
| Ongwanada, Community Behavioural Service, Sharbot Lake | Sharbot Lake |
| Ongwanada, Kinsmen Rehabilitation Centre, Therapeutic Pool | Kingston |
| Ongwanada, Radiology Services | Kingston |
| Ontario Aboriginal HIV/AIDS Strategy, Kingston Site | Kingston |
| Ontario Aboriginal HIV/AIDS Strategy, Ottawa Site | Ottawa |
| Ontario Addiction Treatment Centres, Ottawa Clinic | Ottawa |
| Ontario Addiction Treatment Centres, Ottawa West Clinic | Ottawa |
| Ontario Addiction Treatment Centres, Vanier Clinic | Vanier |
| Ontario Agency for Health Protection and Promotion, Public Health Ontario, Public Health Laboratory, Ottawa | Ottawa |
| Ontario Agency for Health Protection and Promotion, Regional Public Health Laboratory, South East | Kingston |
| Ontario Arts Council | Toronto |
| Ontario Association for Families of Children with Communication Disorders | Tillsonburg |
| Ontario Association for Family Mediation | City of Ottawa |
| Ontario Association of Adult and Continuing Education School Board Administrators | Iroquois |
| Ontario Association of Food Banks, Gleaners Tri-County Food Network Warehouse | Belleville |
| Ontario Association of Residences Treating Youth | Markham |
| Ontario Association of Speech-Language Pathologists and Audiologists | Toronto |
| Ontario Association on Developmental Disabilities (The) | Toronto |
| Ontario Automotive Recyclers Association, Car Heaven | Hamilton |
| Ontario Beekeepers Association, Lanark County Beekeepers' Association | Lanark County |
| Ontario Beekeepers Association, Limestone Beekeepers Guild | Verona |
| Ontario Breast Screening Program, Champlain Region, Cornwall | Cornwall |
| Ontario Breast Screening Program, Champlain Region, Hawkesbury | Hawkesbury |
| Ontario Breast Screening Program, Champlain Region, Winchester Site | Winchester |
| Ontario Breast Screening Program, Southeast Region, Belleville | Belleville |
| Ontario Breast Screening Program, Southeast Region, Picton | Picton |
| Ontario Breast Screening Program, Southeast Region, Trenton | Trenton |
| Ontario Coalition for Better Child Care | Toronto |
| Ontario College of Pharmacists | Toronto North |
| Ontario College of Social Workers and Social Service Workers | Toronto |
| Ontario Community Support Association | Toronto |
| Ontario Court Forms Assistant | Ottawa |
| Ontario Early Years Centre, Glengarry - Alexandria Satellite Office | Alexandria |
| Ontario Early Years Centre, Glengarry-Prescott-Russell | Casselman |
| Ontario Early Years Centre, Glengarry-Prescott-Russell, Embrun Satellite Office | Embrun |
| Ontario Early Years Centre, Glengarry-Prescott-Russell, Hawkesbury Satellite Office, Hawkesbury Family Centre | Hawkesbury |
| Ontario Early Years Centre, Glengarry-Prescott-Russell, Rockland Satellite Office, Rockland Family Centre | Rockland |
| Ontario Early Years Centre, Glengarry-Prescott-Russell, Winchester Satellite Office | Winchester |
| Ontario Early Years Centre, Kingston and the Islands, Limestone Advisory for Child Care Programs | Kingston |
| Ontario Early Years Centre, Leeds and Grenville, Brockville Office | Brockville |
| Ontario Early Years Centre, Leeds and Grenville, Gananoque Satellite Office | Gananoque |
| Ontario Early Years Centre, Leeds and Grenville, Kemptville Satellite Office | Kemptville |
| Ontario Early Years Centre, Leeds and Grenville, Mobile Outreach | Brockville |
| Ontario Early Years Centre, Leeds and Grenville, Prescott Satellite Office | Prescott |
| Ontario Early Years Centre, Renfrew - Nipissing - Pembroke, Deep River Satellite Office | Deep River |
| Ontario Early Years Centre, Renfrew - Nipissing - Pembroke, Family and Children's Services of Renfrew County | Pembroke |
| Ontario Early Years Centre, Renfrew - Nipissing - Pembroke, Killaloe Satellite Office | Killaloe |
| Ontario Early Years Centre, Renfrew - Nipissing - Pembroke, Petawawa South Satellite office | Petawawa |
| Ontario Early Years Centre, Sharbot Lake | Sharbot Lake |
| Ontario Early Years Centre, Stormont, Dundas and Glengarry, Berwick | Berwick |
| Ontario Early Years Centre, Stormont, Dundas and Glengarry, Cornwall | Cornwall |
| Ontario Early Years Centre, Stormont, Dundas and Glengarry, Iroquois Satellite Office | Iroquois |
| Ontario Early Years Centre, Stormont, Dundas and Glengarry, Long Sault | Long Sault |
| Ontario Early Years Centre, Stormont, Dundas and Glengarry, Morrisburg Satellite Office | Morrisburg |
| Ontario Early Years Centre, Stormont, Dundas and Glengarry, Outreach | Cornwall |
| Ontario Early Years Centre, Williamstown Satellite Office | Williamstown |
| Ontario Early Years Centres Ottawa Area | City of Ottawa |
| Ontario East Economic Development Commission | Kingston |
| Ontario Energy Board | Toronto |
| Ontario English Catholic Teachers Association, Algonquin-Lakeshore Unit, Belleville Office | Belleville |
| Ontario English Catholic Teachers Association, Algonquin-Lakeshore Unit, Kingston Office | Kingston |
| Ontario Federation for Cerebral Palsy | Toronto |
| Ontario Federation for Cerebral Palsy, Household Collection Service | Kingston |
| Ontario Federation of Agriculture | Picton |
| Ontario Federation of Snowmobile Clubs, District One Office | Morrisburg |
| Ontario Federation of Snowmobile Clubs, District Two Office | Thomasburg |
| Ontario Federation of Teaching Parents, Brockville - Leeds/Grenville | Brockville |
| Ontario Federation of Teaching Parents, Kingston | Kingston |
| Ontario Genealogical Society, Kingston Branch | Kingston |
| Ontario Halfway House Association | Oshawa |
| Ontario Healthy Communities Coalition, Community Animator, East Region | Perth |
| Ontario Home Care Association | Hamilton |
| Ontario Human Rights Commission | Toronto |
| Ontario Judicial Council | Toronto |
| Ontario Labour Relations Board | Toronto |
| Ontario March of Dimes, Assistive Devices Program | London |
| Ontario March of Dimes, Brockville Region, Acquired Brain Injury Services | Brockville |
| Ontario March of Dimes, Brockville Region, Attendant Services | Brockville |
| Ontario March of Dimes, Brockville Region, Supportive Housing Program | Brockville |
| Ontario March of Dimes, Home and Vehicle Modification Program | London |
| Ontario March of Dimes, Rehabilitation for the Disabled, Kingston Region | Kingston |
| Ontario March of Dimes, Rehabilitation for the Disabled, Kingston Region, Employment Assistance Services | Kingston |
| Ontario March of Dimes, Rehabilitation for the Disabled, Kingston Region, Job Finding Club | Kingston |
| Ontario March of Dimes, Rehabilitation for the Disabled, Ottawa Office | Ottawa |
| Ontario March of Dimes, Rehabilitation for the Disabled, Ottawa Office, Independent Living Program, Supportive Housing Program | Ottawa |
| Ontario Medical Supply, Ottawa | Ottawa |
| Ontario Ministry of Community and Social Services, Ontario Disability Support Program, Income Support, Renfrew Office | Renfrew |
| Ontario Ministry of Tourism, Culture and Sport, South East Regional Office | Kingston |
| Ontario Motor Vehicle Industry Council | Toronto |
| Ontario Native Women's Association | Thunder Bay |
| Ontario Network for the Prevention of Elder Abuse, Elder Abuse Senior Safety Line | Toronto North |
| Ontario One Call, Call Before You Dig, Utility Line Locate Information Centre | Guelph |
| Ontario Parks, Presqu'ile Provincial Park | Brighton |
| Ontario Physiotherapy Association | Toronto |
| Ontario Psychological Association (The), Psychologist Referral Service | Toronto |
| Ontario Public Health Association | Toronto |
| Ontario Registered Music Teachers' Association, Kingston | Kingston |
| Ontario Retirement Communities Association | Oakville |
| Ontario Rett Syndrome Association | London |
| Ontario Secondary School Teachers Federation, District 29 | Belleville |
| Ontario Secondary School Teachers' Federation, Limestone District 27 | Kingston |
| Ontario Senior's Secretariat | Toronto |
| Ontario Society for the Prevention of Cruelty to Animals, Leeds and Grenville Branch | Brockville |
| Ontario Society for the Prevention of Cruelty to Animals, Stormont, Dundas and Glengarry Branch, Animal Adoption Centre | Cornwall |
| Ontario Students Against Impaired Driving | Toronto |
| Ontario Suicide Prevention Network | Williamstown |
| Ontario Trillium Foundation | Toronto |
| Ontario Trillium Foundation, Champlain District Office | Ottawa |
| Ontario Trillium Foundation, Quinte, Kingston, Rideau Region | Toronto |
| Ontario Veterinary Medical Association, SafePet Program | Milton |
| Ontario Women's Justice Network | Toronto |
| Ontario. Employment Ontario, Apprenticeship Office, Belleville | Belleville |
| Ontario. Employment Ontario, Apprenticeship Office, Cornwall | Cornwall |
| Ontario. Employment Ontario, Apprenticeship Office, Kingston | Kingston |
| Ontario. Employment Ontario, Apprenticeship Office, Ottawa Area Office | Ottawa |
| Ontario. Employment Ontario, Apprenticeship Office, Pembroke | Pembroke |
| Ontario. Financial Services Commission of Ontario, Motor Vehicle Accident Claims Fund | Toronto |
| Ontario. Landlord and Tenant Board | Ottawa |
| Ontario. Member of Provincial Parliament, Glengarry-Prescott-Russell, Alexandria Office | Alexandria |
| Ontario. Member of Provincial Parliament, Glengarry-Prescott-Russell, Hawkesbury Office | Hawkesbury |
| Ontario. Member of Provincial Parliament, Glengarry-Prescott-Russell, Rockland Office | Rockland |
| Ontario. Member of Provincial Parliament, Kingston and The Islands | Kingston |
| Ontario. Member of Provincial Parliament, Lanark-Frontenac-Lennox & Addington, Perth Office | Perth |
| Ontario. Member of Provincial Parliament, Lanark-Frontenac-Lennox & Addington, Randy Hillier, MPP (Cons) | Napanee |
| Ontario. Member of Provincial Parliament, Leeds-Grenville | Brockville |
| Ontario. Member of Provincial Parliament, Nepean-Carleton, Hon Lisa MacLeod MPP (Cons) | Nepean |
| Ontario. Member of Provincial Parliament, Ottawa Centre, Yasir Naqvi MPP (Lib) | Ottawa |
| Ontario. Member of Provincial Parliament, Ottawa South, Hon Dalton McGuinty MPP (Lib) | Ottawa |
| Ontario. Member of Provincial Parliament, Ottawa West-Nepean, Hon Bob Chiarelli MPP (Lib) | Ottawa |
| Ontario. Member of Provincial Parliament, Ottawa-Orléans, Hon Philip McNeely MPP (Lib) | Ottawa |
| Ontario. Member of Provincial Parliament, Ottawa-Vanier, Hon Madeleine Meilleur MPP (Lib) | Ottawa |
| Ontario. Member of Provincial Parliament, Renfrew--Nipissing--Pembroke, Pembroke Office | Pembroke |
| Ontario. Members of Parliament, Northumberland - Quinte West, MPP (Cons) | Trenton |
| Ontario. Members of Parliament, Prince Edward Hastings, MPP (Cons) | Belleville |
| Ontario. Ministry of Agriculture, Food and Rural Affairs, Kemptville OMAFRA Resource Centre | Kemptville |
| Ontario. Ministry of Agriculture, Food and Rural Affairs, Regional Economic Development Office, Belleville | Belleville |
| Ontario. Ministry of Agriculture, Food and Rural Affairs, Regional Economic Development Office, Smiths Falls | Smiths Falls |
| Ontario. Ministry of Children and Youth Services, Child and Family Services Review Board | Toronto |
| Ontario. Ministry of Children and Youth Services, Eastern Regional Office, Assistance for Children with Severe Disabilities | Ottawa |
| Ontario. Ministry of Children and Youth Services, Eastern Regional Office, Licensing Child Care | Ottawa |
| Ontario. Ministry of Children and Youth Services, Eastern Regional Office, Respite Funding | Ottawa |
| Ontario. Ministry of Children and Youth Services, Pinecrest-Queensway Community Health Centre, Eastern Ontario Blind-Low Vision Early Intervention Program, Renfrew County | Renfrew County |
| Ontario. Ministry of Children and Youth Services, Youth Justice Services, Probation Offices, Brockville | Brockville |
| Ontario. Ministry of Children and Youth Services, Youth Justice Services, Probation Offices, Hawkesbury | Hawkesbury |
| Ontario. Ministry of Children and Youth Services, Youth Justice Services, Probation Services (Youth) | Gloucester |
| Ontario. Ministry of Citizenship and Immigration, Eastern Region | Ottawa |
| Ontario. Ministry of Citizenship and Immigration, South East Regional Office | Kingston |
| Ontario. Ministry of Community and Social Services, Eastern Regional Office | Ottawa |
| Ontario. Ministry of Community and Social Services, Eastern Regional Office, Ontario Disability Support Program, Employment Supports | Ottawa |
| Ontario. Ministry of Community and Social Services, Eastern Regional Office, Ontario Disability Support Program, Income Support | Ottawa |
| Ontario. Ministry of Community and Social Services, Family Responsibility Office | Toronto |
| Ontario. Ministry of Community and Social Services, Homeless Prevention Programs, Leeds & Grenville | Leeds and Grenville United Counties |
| Ontario. Ministry of Community and Social Services, Ontario Disabilities Support Program, Employment Supports, Cornwall | Cornwall |
| Ontario. Ministry of Community and Social Services, Ontario Disability Support Program, Brockville | Brockville |
| Ontario. Ministry of Community and Social Services, Ontario Disability Support Program, Employment Support, Kingston | Kingston |
| Ontario. Ministry of Community and Social Services, Ontario Disability Support Program, Income Support, Kingston | Kingston |
| Ontario. Ministry of Community and Social Services, Ontario Disability Support Program, Smiths Falls | Smiths Falls |
| Ontario. Ministry of Community and Social Services, Program Management Division, Custodian of Adoption Information | Toronto |
| Ontario. Ministry of Community and Social Services, Welfare Fraud HotLine | Toronto |
| Ontario. Ministry of Community and Social Services and Ministry of Children and Youth Services, Eastern Regional Office, Special Services At Home Program | Ottawa |
| Ontario. Ministry of Community and Social Services and Ministry of Children and Youth Services, Family and Children's Services of Renfrew County, Developmental Services | Pembroke |
| Ontario. Ministry of Community and Social Services and Ministry of Children and Youth Services, Family and Children's Services of Renfrew County, Developmental Services, Infant and Child Development Program of Renfrew County | Pembroke |
| Ontario. Ministry of Community and Social Services and Ministry of Children and Youth Services, Family and Children's Services of the County of Renfrew, School-Based Social Worker | Pembroke |
| Ontario. Ministry of Community and Social Services and Ontario. Ministry of Children and Youth Services | Kingston |
| Ontario. Ministry of Community and Social Services and Ontario. Ministry of Children and Youth Services, Assistance For Children With Severe Disabilities | Kingston |
| Ontario. Ministry of Community and Social Services and Ontario. Ministry of Children and Youth Services, Special Services at Home | Kingston |
| Ontario. Ministry of Community Safety and Correctional Services, Brockville Jail | Brockville |
| Ontario. Ministry of Community Safety and Correctional Services, General Inquiries Line | Toronto |
| Ontario. Ministry of Community Safety and Correctional Services, Ontario Civilian Police Commission | Toronto |
| Ontario. Ministry of Community Safety and Correctional Services, Ontario Provincial Police, Alexandria Detachment | Alexandria |
| Ontario. Ministry of Community Safety and Correctional Services, Ontario Provincial Police, Bancroft Detachment | Bancroft |
| Ontario. Ministry of Community Safety and Correctional Services, Ontario Provincial Police, Central Hastings Detachment | Madoc |
| Ontario. Ministry of Community Safety and Correctional Services, Ontario Provincial Police, East Region Headquarters | Smiths Falls |
| Ontario. Ministry of Community Safety and Correctional Services, Ontario Provincial Police, Grenville County, Kemptville | Kemptville |
| Ontario. Ministry of Community Safety and Correctional Services, Ontario Provincial Police, Grenville County, Prescott | Prescott |
| Ontario. Ministry of Community Safety and Correctional Services, Ontario Provincial Police, Hawkesbury | Hawkesbury |
| Ontario. Ministry of Community Safety and Correctional Services, Ontario Provincial Police, Lanark County OPP Eastern Region | Perth |
| Ontario. Ministry of Community Safety and Correctional Services, Ontario Provincial Police, Lancaster Detachment | Lancaster |
| Ontario. Ministry of Community Safety and Correctional Services, Ontario Provincial Police, Morrisburg Satellite Office | Morrisburg |
| Ontario. Ministry of Community Safety and Correctional Services, Ontario Provincial Police, Prince Edward Detachment | Picton |
| Ontario. Ministry of Community Safety and Correctional Services, Ontario Provincial Police, Rockland Detachment | Embrun |
| Ontario. Ministry of Community Safety and Correctional Services, Ontario Provincial Police, Stormont, Dundas & Glengarry | Long Sault |
| Ontario. Ministry of Community Safety and Correctional Services, Ontario Provincial Police, Winchester Detachment | Winchester |
| Ontario. Ministry of Community Safety and Correctional Services, Ottawa-Carleton Detention Centre | Gloucester |
| Ontario. Ministry of Community Safety and Correctional Services, Probation and Parole, Bancroft | Bancroft |
| Ontario. Ministry of Community Safety and Correctional Services, Probation and Parole, Kingston | Kingston |
| Ontario. Ministry of Community Safety and Correctional Services, Probation and Parole, Leeds and Grenville | Brockville |
| Ontario. Ministry of Community Safety and Correctional Services, Probation and Parole, Picton | Picton |
| Ontario. Ministry of Community Safety and Correctional Services, Probation and Parole, Smiths Falls | Smiths Falls |
| Ontario. Ministry of Community Safety and Correctional Services, Probation and Parole, Trenton | Trenton |
| Ontario. Ministry of Community Safety and Correctional Services, Probation and Parole Services | Ottawa |
| Ontario. Ministry of Community Safety and Correctional Services, Probation and Parole Services, Pembroke | Pembroke |
| Ontario. Ministry of Community Safety and Correctional Services, Regional Supervising Coroner's Office, East Region - Kingston Office | Kingston |
| Ontario. Ministry of Community Safety and Correctional Services, St Lawrence Valley Correctional and Treatment Centre | Brockville |
| Ontario. Ministry of Community Safety and Correctional Services, St. Lawrence Valley Correctional and Treatment Centre, Secure Treatment Unit, Integrated Forensic Program, Royal Ottawa Health Care Group | Elizabethtown-Kitley |
| Ontario. Ministry of Consumer Services, Policy and Consumer Protection Services Division, Consumer Protection Branch, Consumer Services Bureau | Toronto |
| Ontario. Ministry of Economic Development, Trade and Employment | Kingston |
| Ontario. Ministry of Education, Ottawa Regional Office | Nepean |
| Ontario. Ministry of Finance, Guaranteed Annual Income System and Ontario Child Care Supplement, Ontario Child Benefit | Oshawa |
| Ontario. Ministry of Finance, Ontario Tax Credits | Oshawa |
| Ontario. Ministry of Government and Consumer Services, Consumer Protection Branch, Consumer Services Bureau | North York |
| Ontario. Ministry of Health and Long Term Care, Anonymous HIV Testing Clinics | City of Ottawa |
| Ontario. Ministry of Health and Long Term Care, Assistive Devices Program | Toronto |
| Ontario. Ministry of Health and Long Term Care, Direct Services Division, Psychiatric Patient Advocate Office, Brockville Mental Health Centre | Brockville |
| Ontario. Ministry of Health and Long Term Care, Health Care Connect | Ontario |
| Ontario. Ministry of Health and Long Term Care, Ontario Public Drug Programs, Ontario Drug Benefit Program | Toronto |
| Ontario. Ministry of Health and Long Term Care, Ontario Public Drug Programs, Trillium Drug Program | Etobicoke |
| Ontario. Ministry of Health and Long Term Care, Telehealth Ontario | Toronto |
| Ontario. Ministry of Health and Long-Term Care | Kingston |
| Ontario. Ministry of Health and Long-Term Care, AIDS and Sexual Health Infoline/The Mainline | Toronto |
| Ontario. Ministry of Labour, Jobs Protection Office | Ottawa |
| Ontario. Ministry of Labour, Occupational Health and Safety | Ontario |
| Ontario. Ministry of Labour, Office of the Worker Adviser, Ottawa | Ottawa |
| Ontario. Ministry of Natural Resources, Bancroft | Bancroft |
| Ontario. Ministry of Natural Resources, Fish and Wildlife Services Branch, Marketing and Client Services Section, Outdoors Card Centre | Peterborough |
| Ontario. Ministry of Natural Resources, Kemptville | Kemptville |
| Ontario. Ministry of Natural Resources, Ontario Parks, Bon Echo | Cloyne |
| Ontario. Ministry of Natural Resources, Ontario Parks, Frontenac Provincial Park | Sydenham |
| Ontario. Ministry of Natural Resources, Ontario Parks, Murphys Point Provincial Park | Perth |
| Ontario. Ministry of Natural Resources, Ontario Parks, Sharbot Lake Provincial Park | Sharbot Lake |
| Ontario. Ministry of Natural Resources, Ontario Parks, Silver Lake Provincial Park | Maberly |
| Ontario. Ministry of Natural Resources, Tweed | Tweed |
| Ontario. Ministry of the Attorney General, Court Services Division, Court Services | Ottawa |
| Ontario. Ministry of the Attorney General, Criminal Injuries Compensation Board | Toronto |
| Ontario. Ministry of the Attorney General, Crown Attorney's Office, Kingston | Kingston |
| Ontario. Ministry of the Attorney General, Crown Attorney's Office, Napanee | Napanee |
| Ontario. Ministry of the Attorney General, Ontario Court of Justice, Criminal Court, Alexandria | Alexandria |
| Ontario. Ministry of the Attorney General, Ontario Court of Justice, Criminal Court, Bancroft | Bancroft |
| Ontario. Ministry of the Attorney General, Ontario Court of Justice, Criminal Court, Belleville | Belleville |
| Ontario. Ministry of the Attorney General, Ontario Court of Justice, Criminal Court, Brockville | Brockville |
| Ontario. Ministry of the Attorney General, Ontario Court of Justice, Criminal Court, Perth | Perth |
| Ontario. Ministry of the Attorney General, Ontario Court of Justice, Criminal Court, Picton | Picton |
| Ontario. Ministry of the Attorney General, Ontario Court of Justice, Criminal Court, Smiths Falls | Smiths Falls |
| Ontario. Ministry of the Attorney General, Ontario Court of Justice, Criminal Court (Youth Division), Alexandria | Alexandria |
| Ontario. Ministry of the Attorney General, Ontario Court of Justice, Criminal Court (Youth Division), Bancroft | Bancroft |
| Ontario. Ministry of the Attorney General, Ontario Court of Justice, Criminal Court (Youth Division), Belleville | Belleville |
| Ontario. Ministry of the Attorney General, Ontario Court of Justice, Criminal Court (Youth Division), Brockville | Brockville |
| Ontario. Ministry of the Attorney General, Ontario Court of Justice, Criminal Court (Youth Division), Perth | Perth |
| Ontario. Ministry of the Attorney General, Ontario Court of Justice, Criminal Court (Youth Division), Picton | Picton |
| Ontario. Ministry of the Attorney General, Ontario Court of Justice, Criminal Court (Youth Division), Smiths Falls | Smiths Falls |
| Ontario. Ministry of the Attorney General, Ontario Court of Justice, Criminal Court (Youth Division), Trenton | Trenton |
| Ontario. Ministry of the Attorney General, Ontario Court of Justice, Family Court, Bancroft | Bancroft |
| Ontario. Ministry of the Attorney General, Ontario Court of Justice, Family Court, Belleville | Belleville |
| Ontario. Ministry of the Attorney General, Ontario Court of Justice, Family Court, Brockville | Brockville |
| Ontario. Ministry of the Attorney General, Ontario Court of Justice, Family Court, Picton | Picton |
| Ontario. Ministry of the Attorney General, Ontario Court of Justice, Justice of the Peace, Napanee | Napanee |
| Ontario. Ministry of the Attorney General, Ontario Victim Services Secretariat, Victim/Witness Assistance Program, L'Orignal | L'Orignal |
| Ontario. Ministry of the Attorney General, Ontario Victim Services Secretariat, Victim/Witness Assistance Program, Picton | Picton |
| Ontario. Ministry of the Attorney General, Ottawa Court House | Ottawa |
| Ontario. Ministry of the Attorney General, Power of Attorney Kit Online | Toronto |
| Ontario. Ministry of the Attorney General, Superior Court of Justice, Civil Court, Bancroft | Bancroft |
| Ontario. Ministry of the Attorney General, Superior Court of Justice, Civil Court, Brockville | Brockville |
| Ontario. Ministry of the Attorney General, Superior Court of Justice, Civil Court, Perth | Perth |
| Ontario. Ministry of the Attorney General, Superior Court of Justice, Civil Court, Picton | Picton |
| Ontario. Ministry of the Attorney General, Superior Court of Justice, Criminal Court, Belleville | Belleville |
| Ontario. Ministry of the Attorney General, Superior Court of Justice, Criminal Court, Brockville | Brockville |
| Ontario. Ministry of the Attorney General, Superior Court of Justice, Criminal Court, Cornwall | Cornwall |
| Ontario. Ministry of the Attorney General, Superior Court of Justice, Criminal Court, Perth | Perth |
| Ontario. Ministry of the Attorney General, Superior Court of Justice, Criminal Court, Picton | Picton |
| Ontario. Ministry of the Attorney General, Superior Court of Justice, Enforcement Services, Brockville | Brockville |
| Ontario. Ministry of the Attorney General, Superior Court of Justice, Enforcement Services, Perth | Perth |
| Ontario. Ministry of the Attorney General, Superior Court of Justice, Enforcement Services, Picton | Picton |
| Ontario. Ministry of the Attorney General, Superior Court of Justice, Family Court, Belleville | Belleville |
| Ontario. Ministry of the Attorney General, Superior Court of Justice, Family Court, Brockville | Brockville |
| Ontario. Ministry of the Attorney General, Superior Court of Justice, Family Court, Perth | Perth |
| Ontario. Ministry of the Attorney General, Superior Court of Justice, Family Court, Picton | Picton |
| Ontario. Ministry of the Attorney General, Superior Court of Justice, Family Law Information Centre | Ottawa |
| Ontario. Ministry of the Attorney General, Superior Court of Justice, Small Claims Court, Brockville | Brockville |
| Ontario. Ministry of the Attorney General, Superior Court of Justice, Small Claims Court, Kemptville | Kemptville |
| Ontario. Ministry of the Attorney General, Superior Court of Justice, Small Claims Court, Perth | Perth |
| Ontario. Ministry of the Attorney General, Victim and Vulnerable Persons, Victim/Witness Assistance Program, Cornwall | Cornwall |
| Ontario. Ministry of the Attorney General, Victims & Vulnerable Persons Division, Victim Witness Assistance Program, Pembroke Office | Pembroke |
| Ontario. Ministry of the Attorney General, Victims and Vulnerable Persons Division, Eastern Region, Office of the Public Guardian and Trustee | Ottawa |
| Ontario. Ministry of the Attorney General, Victims and Vulnerable Persons Division, Victim/Witness Assistance Program | Ottawa |
| Ontario. Ministry of the Attorney General, Victims and Vulnerable Persons Division, Victim/Witness Assistance Program, Belleville | Belleville |
| Ontario. Ministry of the Attorney General, Victims and Vulnerable Persons Division, Victim/Witness Assistance Program, Brockville | Brockville |
| Ontario. Ministry of the Attorney General, Victims and Vulnerable Persons Division, Victim/Witness Assistance Program, Napanee | Napanee |
| Ontario. Ministry of the Attorney General, Victims and Vulnerable Persons Division, Victim/Witness Assistance Program, Perth | Perth |
| Ontario. Ministry of the Environment, Belleville Area Office | Belleville |
| Ontario. Ministry of the Environment, Eastern Ontario Regional Office | Kingston |
| Ontario. Ministry of the Environment, Ottawa District Office | Ottawa |
| Ontario. Ministry of Tourism, Culture and Sport | Kingston |
| Ontario. Ministry of Tourism, Culture and Sport, Regional Tourism Unit | Kingston |
| Ontario. Ministry of Tourism, Culture and Sport, Tourism Sector, Ottawa Office | Ottawa |
| Ontario. Ministry of Training, Colleges and Universities, Employment and Training Division | Kingston |
| Ontario. Ministry of Training, Colleges and Universities, Student Financial Assistance Branch, Ontario Student Assistance Program | Thunder Bay |
| Ontario. Ministry of Transportation, Area Office, Bancroft | Bancroft |
| Ontario. Ministry of Transportation, Driver Licensing, Ottawa Locations | Ottawa |
| Ontario. Ministry of Transportation, Eastern Ontario Regional Office | Kingston |
| Ontario. Ministry of Transportation, Glenora Ferry | Picton |
| Ontario. Ministry of Transportation, Road Information, Eastern Ontario | Ottawa |
| Ontario. Ministry of Transportation, Wolfe Island Ferry | Kingston |
| Ontario. Office of the Ombudsman of Ontario | Toronto |
| Ontario. Ontario Parks, Lake on the Mountain Provincial Park | Picton |
| Ontario. Ontario Parks, North Beach Provincial Park | Prince Edward County |
| Ontario. Ontario Provincial Police, Killaloe Detachment | Killaloe |
| Ontario. Ontario Tourism Marketing Partnership Corporation, Ontario Travel | Toronto |
| Ontario. Service Ontario, Bancroft Office | Bancroft |
| Ontario. Service Ontario, Belleville Office | Belleville |
| Ontario. Service Ontario, Driver and Vehicle Licence Issuing Office, Madoc | Madoc |
| Ontario. Service Ontario, Driver and Vehicle Licence Issuing Office, Picton | Picton |
| Ontario. Service Ontario, Madoc | Madoc |
| Ontario. Service Ontario, Ministry of Government Services | Belleville |
| Ontario. Service Ontario, Picton | Picton |
| Ontario. Service Ontario, ServiceOntario Centres | Toronto |
| Ontario. Service Ontario, Trenton | Trenton |
| Ontario. Social Benefits Tribunal | Toronto |
| ontrac Employment Resource Services, Ontario Employment Services, Arnprior | Arnprior |
| ontrac Employment Resource Services, Smiths Falls, Ontario Employment Services | Smiths Falls |
| Open Arms | Orléans |
| Open Book, Literacy and Basic Skills | Kingston |
| Open Doors for Lanark Children and Youth, Carleton Place Office | Carleton Place |
| Open Doors for Lanark Children and Youth, Perth Office | Perth |
| Open Doors for Lanark Children and Youth, Smiths Falls Office | Smiths Falls |
| Open Line Open Mind | Belleville |
| Open Voices Community Choir | Kingston |
| Opeongo Non-Profit Housing, Renfrew | Renfrew |
| Opeongo Seniors Centre | Barry's Bay |
| Opeongo Snowbirds Snowmobile Club | Barry's Bay |
| Operation Come Home | Ottawa |
| Operation Harvest Sharing | Brockville |
| Operation Red Nose, Kingston | Kingston |
| Operation Red Nose Quinte, Belleville | Belleville |
| Operation Warm Feet | Kingston |
| Operational Stress Injury Social Support, Kingston Region | Kingston |
| Operational Stress Injury Social Support, Members/Veterans Group Meeting | Quinte West |
| Operational Stress Injury Social Support, Ottawa Valley and North-Eastern Ontario Region | Petawawa |
| Operational Stress Injury Social Support, Partner's Group Meeting | Quinte West |
| Operational Stress Injury Social Support, Southeastern Ontario | Quinte West |
| Optimal Physiotherapy Clinic | Ottawa |
| Options Bytown Nonprofit Housing Corporation | Ottawa |
| Options Youth (Ontario) Inc., Therapeutic Foster Home Agency | Perth |
| Orchard View Living Centre | Greely |
| Orchid Cellmark | Vancouver |
| Order Of Royal Purple, Picton | Picton |
| Order of the Eastern Star, Bancroft Chapter 157 | Bancroft |
| Order of the Eastern Star, Belleville Chapter 55 | Belleville |
| Order of the Eastern Star, Grand Chapter of Ontario | Ontario |
| Order of the Eastern Star, Minerva Chapter 138 | Belleville |
| Order of the Eastern Star, Picton Chapter 273 | Picton |
| Order of the Eastern Star, Quinte Chapter 59 | Ameliasburg |
| Order of the Eastern Star, Tweed Chapter 148 | Tweed |
| Organization of Kingston Women Artists | Kingston |
| Orléans-Cumberland Community Resource Centre | Orléans |
| Orléans-Cumberland Community Resource Centre, Emergency Food Program | Orléans |
| Orléans-Cumberland Community Resource Centre, Ontario Early Years Centre, Ottawa-Orléans | Orléans |
| Orléans-Cumberland Community Resource Centre, Ottawa Diabetes Education Program | Orléans |
| Osgoode Care Centre (Township of), Long Term Care Home | Osgoode Ward |
| Osgoode Emergency Food Cupboard | Osgoode Ward |
| Osgoode Pharmacy Ltd, Osgoode, Logan Farm Dr | Osgoode Ward |
| Other Side Media Group, O.S.M.G. | Belleville |
| Ottawa Academy of Psychology | Ottawa |
| Ottawa Administrators of Volunteer Resources | City of Ottawa |
| Ottawa Amateur Radio Club Inc. | City of Ottawa |
| Ottawa Anaphylaxis Support Group | City of Ottawa |
| Ottawa and District Injured Workers Group (The) | Nepean |
| Ottawa and District Physiotherapy Clinic | Ottawa |
| Ottawa Anxiety and Trauma Clinic | Ottawa |
| Ottawa Association of People Who Stutter (The) | Ottawa |
| Ottawa Camps | City of Ottawa |
| Ottawa Carleton Rehabilitation & Health Care | Carleton Place |
| Ottawa Catholic School Board | Nepean |
| Ottawa Catholic School Board, Continuing and Community Education Department, English as a Second Language / Language Instruction for Newcomers to Canada | Nepean |
| Ottawa Catholic School Board, Continuing and Community Education Department, International Languages Program | Nepean |
| Ottawa Catholic School Board, Facilities, Community Use of Schools | Nepean |
| Ottawa Catholic School Board, Schools for Students with Developmental and/or Physical Disabilities | City of Ottawa |
| Ottawa Catholic School Board, St. Nicholas Adult High School, Adult High School Diploma Program | Ottawa |
| Ottawa Catholic School Board, St. Nicholas Adult High School, Adult Literacy and Essential Skills | Ottawa |
| Ottawa Catholic School Board, Student Success Department, Co-op Education Programs (Secondary Schools) | Nepean |
| Ottawa Childbirth Education Association | City of Ottawa |
| Ottawa Children's Coordinated Access and Referral to Services | Ottawa |
| Ottawa Children's Treatment Centre | Ottawa |
| Ottawa Children's Treatment Centre, Behavioural Services | Ottawa |
| Ottawa Children's Treatment Centre, Early Childhood Program | Ottawa |
| Ottawa Children's Treatment Centre, Infant Development Program | Ottawa |
| Ottawa Chinese Community Service Centre | Ottawa |
| Ottawa Chiropractic and Collaborative Care | Ottawa |
| Ottawa Christian School | Ottawa |
| Ottawa Citizen (The), Facilities | Ottawa |
| Ottawa Coalition to End Human Trafficking | Ottawa |
| Ottawa Coalition to End Violence Against Women | Ottawa |
| Ottawa Community Coalition for Literacy, ABC Line, Literacy and Basic Skills | Ottawa |
| Ottawa Community Housing Corporation | Nepean |
| Ottawa Community Immigrant Services Organization | Ottawa |
| Ottawa Community Loan Fund | Ottawa |
| Ottawa Community Support Coalition | Ottawa |
| Ottawa Council of Women | City of Ottawa |
| Ottawa Dental Society | Ottawa |
| Ottawa Dental Society, Dental Emergency Service | Ottawa |
| Ottawa District Hockey Association | Ottawa |
| Ottawa Eating Disorder Clinic | Ottawa |
| Ottawa Federation of Parents' Day Care Centres (The) | City of Ottawa |
| Ottawa Fertility Centre | Ottawa |
| Ottawa Field-Naturalists' Club (The) | Ottawa |
| Ottawa Food Bank (The) | Gloucester |
| Ottawa Foyers Partage | Nepean |
| Ottawa Foyers Partage, Computer Wise | Ottawa |
| Ottawa Good Food Box | Ottawa |
| Ottawa Good Food Box, Distribution Sites | Ottawa |
| Ottawa Home Care, Medical Transfer | Ottawa |
| Ottawa Home Care, Ottawa Home Health Care | Ottawa |
| Ottawa Horticultural Society | City of Ottawa |
| Ottawa Hospice Services, Friends of Hospice Ottawa | Ottawa |
| Ottawa Hospice Services, Hospice at May Court (The) | Ottawa |
| Ottawa Hospital (The) | Ottawa |
| Ottawa Hospital (The), Academic Family Health Team, Civic Campus, Riverside Campus | Ottawa |
| Ottawa Hospital (The), Academic Family Health Team, Riverside Campus | Ottawa |
| Ottawa Hospital (The), Cancer Centre | Ottawa |
| Ottawa Hospital (The), Champlain District Regional First Episode Psychosis Program, On Track | Ottawa |
| Ottawa Hospital (The), Civic Campus | Ottawa |
| Ottawa Hospital (The), Civic Campus, Academic Family Health Team, Healthy Lifestyle and Diabetes Program | Ottawa |
| Ottawa Hospital (The), Civic Campus, Out-Patient and Community Psychiatry | Ottawa |
| Ottawa Hospital (The), Civic Campus, Psoriasis Clinic | Ottawa |
| Ottawa Hospital (The), Civic Campus, Sexual Assault and Partner Abuse Care Program | Ottawa |
| Ottawa Hospital (The), Civic Campus, Speech Language Pathology, New Voice Club | Ottawa |
| Ottawa Hospital (The), Civic Campus, Vascular Diagnostic Centre | Ottawa |
| Ottawa Hospital (The), Department of Obstetrics, Gynecology and Newborn Care, Shirley E. Greenberg Women's Health Centre | Ottawa |
| Ottawa Hospital (The), Diabetes Clinic, Riverside Campus | Ottawa |
| Ottawa Hospital (The), General Campus | Ottawa |
| Ottawa Hospital (The), General Campus, External Housekeeping Services | Ottawa |
| Ottawa Hospital (The), General Campus, The Regional Centre for the Treatment of Eating Disorders | Ottawa |
| Ottawa Hospital (The), Mental Health Mobile Crisis Team | Ottawa |
| Ottawa Hospital (The), Ninon Bourque Patient Resource Library | Ottawa |
| Ottawa Hospital (The), Patient Advocacy | Ottawa |
| Ottawa Hospital (The), Psychiatric Emergency Services | Ottawa |
| Ottawa Hospital (The), Regional Geriatric Program of Eastern Ontario | Ottawa |
| Ottawa Hospital (The), Riverside Campus | Ottawa |
| Ottawa Hospital (The), Riverside Campus, Academic Family Health Team, Healthy Lifestyle and Diabetes Program | Ottawa |
| Ottawa Hospital (The), Riverside Campus, Regional Nephrology Program, Home Dialysis Unit | Ottawa |
| Ottawa Hospital (The), Secondary Stroke Prevention Clinic | Ottawa |
| Ottawa Hospital (The), Sleep Centre, Civic Campus | Ottawa |
| Ottawa Hospital (The), Sleep Centre, General Campus | Ottawa |
| Ottawa Hospital (The), Supportive and Palliative Care Program | Ottawa |
| Ottawa Hospital (The), The Ottawa Hospital Rehabilitation Centre, Occupational Therapy, Driving Rehabilitation Service | Ottawa |
| Ottawa Hospital (The), The Rehabilitation Centre | Ottawa |
| Ottawa Hospital (The), The Rehabilitation Centre, Chronic Pain Management Program | Ottawa |
| Ottawa Hospital (The), The Rehabilitation Centre, COPD Respiratory Rehabilitation | Ottawa |
| Ottawa Hospital (The), The Rehabilitation Centre, Respiratory Rehabilitation for Neuromuscular Diseases | Ottawa |
| Ottawa Hospital (The), The Rehabilitation Centre, Stuttering Treatment Clinic | Ottawa |
| Ottawa Hospital (The), The Rehabilitation Centre, The Robin Easey Centre | Ottawa |
| Ottawa Humane Society | Ottawa |
| Ottawa Humane Society, Brightening Lives Animal Visits | Ottawa |
| Ottawa Independent Living Resource Centre | Ottawa |
| Ottawa Innercity Ministries | Ottawa |
| Ottawa International Y Service Club | Ottawa |
| Ottawa Inuit Children's Centre (The) | Vanier |
| Ottawa Kennel Club (The) | City of Ottawa |
| Ottawa Little Theatre, Drama Classes | Ottawa |
| Ottawa MacDonald-Cartier International Airport Authority, Ottawa International Airport Authority | Ottawa |
| Ottawa Medical Pharmacy, Ottawa, Somerset St | Ottawa |
| Ottawa Neighbourhood Services | Ottawa |
| Ottawa Network For Education | Ottawa |
| Ottawa Newcomers Club | Ottawa |
| Ottawa PC Users Group Inc. | City of Ottawa |
| Ottawa Professional Firefighters Association, Help Santa Toy Parade | City of Ottawa |
| Ottawa Rape Crisis Centre | City of Ottawa |
| Ottawa Regional Cancer Foundation, Maplesoft Centre, Cancer Coaching | Ottawa |
| Ottawa Rotary Home (The), Parent Relief / Respite Care | Ottawa |
| Ottawa Safety Council | Ottawa |
| Ottawa Salus Corporation | Ottawa |
| Ottawa School of Art, Main Campus | Ottawa |
| Ottawa School of Art, Orléans Campus | Orléans |
| Ottawa Stewardship Council | Nepean |
| Ottawa Storytellers | City of Ottawa |
| Ottawa Tourism | Ottawa |
| Ottawa Valley ATV Club | Frontenac County |
| Ottawa Valley Lactation Consultants | Ottawa |
| Ottawa Valley Midwives | Carleton Place |
| Ottawa Valley Old Sledheads | Eganville |
| Ottawa Valley Physiotherapy, Rehabilitation and Sports Injury Clinic, Renfrew Clinic | Renfrew |
| Ottawa Valley Physiotherapy, Rehabilitation and Sports Medicine, Arnprior Clinic | Arnprior |
| Ottawa Valley Tourist Association | Pembroke |
| Ottawa Valley Wild Bird Care Centre | Nepean |
| Ottawa Victim Services | Ottawa |
| Ottawa West Community Support | Ottawa |
| Ottawa West Community Support, Adult Day Program, Frail and Cognitively Impaired Seniors Program | Ottawa |
| Ottawa West Community Support, Respite / Personal Care Program for Seniors | Ottawa |
| Ottawa West Community Support, Wheels To Meals Luncheon Program | Ottawa |
| Ottawa Women's Canadian Club | Ottawa |
| Ottawa Women's Credit Union | Ottawa |
| Ottawa, Infr. Srvcs & Community Sustainability, Transit Services, OC Transpo, Para Transpo | Ottawa |
| Ottawa. City Councillors | Ottawa |
| Ottawa. City Operations, 3-1-1 | Ottawa |
| Ottawa. City Operations, Accessibility Advisory Committee | Ottawa |
| Ottawa. City Operations, Community and Social Services | Nepean |
| Ottawa. City Operations, Community and Social Services, Children's Services Unit, Municipal Home Child Care | Ottawa |
| Ottawa. City Operations, Community and Social Services, Direct Operations Branch, Child Care Subsidy Program | Ottawa |
| Ottawa. City Operations, Community and Social Services, Direct Operations Branch, Municipal Child Care Centres | Nepean |
| Ottawa. City Operations, Community and Social Services, Employment Services, Partners for Jobs, Ontario Employment Services | Ottawa |
| Ottawa. City Operations, Community and Social Services, Home Support Services | Ottawa |
| Ottawa. City Operations, Community and Social Services, Housing Services Branch | Ottawa |
| Ottawa. City Operations, Community and Social Services, Housing Services Branch, Ontario Renovates Program | Ottawa |
| Ottawa. City Operations, Community and Social Services, Long Term Care Branch | Ottawa |
| Ottawa. City Operations, Community and Social Services, Ontario Works | Ottawa |
| Ottawa. City Operations, Community and Social Services, Social Services, Essential Health and Social Supports | Ottawa |
| Ottawa. City Operations, Community and Social Services, Supportive housing - domiciliary hostels | Ottawa |
| Ottawa. City Operations, Emergency and Protective Services Department, Fire Services Branch | Ottawa |
| Ottawa. City Operations, Emergency and Protective Services Department, Ottawa Paramedic Service Branch | Ottawa |
| Ottawa. City Operations, Environmental Services Department, Solid Waste Services, Waste Processing Services, Trail Waste Facility | Nepean |
| Ottawa. City Operations, Information Technology Services Department, Client Services Branch | Ottawa |
| Ottawa. City Operations, Ottawa Public Health Department | Ottawa |
| Ottawa. City Operations, Ottawa Public Health Department, Clinical Programs Branch, Healthy Babies Healthy Children | Ottawa |
| Ottawa. City Operations, Ottawa Public Health Department, Clinical Programs Branch, Healthy Sexuality and Risk Reduction Unit, Site Needle & Syringe Program | Ottawa |
| Ottawa. City Operations, Ottawa Public Health Department, Clinical Programs Branch, Sexual Health Centre | Ottawa |
| Ottawa. City Operations, Ottawa Public Health Department, Clinical Programs Branch, Sexual Health Centre, Barrhaven | Barrhaven |
| Ottawa. City Operations, Ottawa Public Health Department, Clinical Programs Branch, Sexual Health Centre, Kanata | Kanata |
| Ottawa. City Operations, Ottawa Public Health Department, Dental Health Services | Ottawa |
| Ottawa. City Operations, Ottawa Public Health Department, Family and Community Health | Nepean |
| Ottawa. City Operations, Ottawa Public Health Department, Get Tested. Why Not? | Ottawa |
| Ottawa. City Operations, Ottawa Public Health Department, Health Promotion and Disease Prevention Branch, Baby Express and Breastfeeding Support Drop-ins, Ottawa Central/East | Ottawa |
| Ottawa. City Operations, Ottawa Public Health Department, Health Promotion and Disease Prevention Branch, Baby Express and Breastfeeding Support Drop-ins, Ottawa West/South | Ottawa |
| Ottawa. City Operations, Ottawa Public Health Department, Health Promotion and Disease Prevention Branch, Chronic Disease and Injury Prevention, Healthy Living Team | Nepean |
| Ottawa. City Operations, Ottawa Public Health Department, Health Promotion and Disease Prevention Branch, Nutrition Information Line | Nepean |
| Ottawa. City Operations, Ottawa Public Health Department, Health Promotion and Disease Prevention Branch, Social Determinants of Health, Seniors Program | Ottawa |
| Ottawa. City Operations, Ottawa Public Health Department, Health Promotion and Disease Prevention Branch, Social Determinants of Health Unit, Community Connect | Ottawa |
| Ottawa. City Operations, Ottawa Public Health Department, Health Promotion and Disease Prevention Branch, Social Determinants of Health Unit, Prenatal Classes | Nepean |
| Ottawa. City Operations, Ottawa Public Health Department, Healthy Smiles Ontario | Ottawa |
| Ottawa. City Operations, Parks, Recreation and Cultural Services | Nepean |
| Ottawa. City Operations, Parks, Recreation and Cultural Services, Churchill Seniors' Recreation Centre | Ottawa |
| Ottawa. City Operations, Parks, Recreation and Cultural Services, Community Partnership Program | Nepean |
| Ottawa. City Operations, Parks, Recreation and Cultural Services, Community Programs Branch, Allotment Gardens | Ottawa |
| Ottawa. City Operations, Parks, Recreation and Cultural Services, Community Programs Branch, City Facilities | Ottawa |
| Ottawa. City Operations, Parks, Recreation and Cultural Services, Community Programs Branch, City Wide Sports, Girls n' Women and Sport | Nepean |
| Ottawa. City Operations, Parks, Recreation and Cultural Services, Community Programs Branch, Rural and Community Services and Centres, Special Needs | Orléans |
| Ottawa. City Operations, Parks, Recreation and Cultural Services, Complexes, Fitness and Aqua Venues Branch, Bob MacQuarrie Recreation Complex, Orléans | Orléans |
| Ottawa. City Operations, Parks, Recreation and Cultural Services, Complexes, Fitness and Aqua Venues Branch, Frank St Drop In | Ottawa |
| Ottawa. City Operations, Parks, Recreation and Cultural Services, Complexes, Fitness and Aqua Venues Branch, Kanata Leisure Centre and Wave Pool | Kanata |
| Ottawa. City Operations, Parks, Recreation and Cultural Services, Complexes, Fitness and Aqua Venues Branch, Nepean Seniors Recreation Centre | Nepean |
| Ottawa. City Operations, Parks, Recreation and Cultural Services, Cultural and Heritage Services Branch, Arts and Heritage Development Unit, Billings Estate National Historic Site | Ottawa |
| Ottawa. City Operations, Parks, Recreation and Cultural Services, Cultural and Heritage Services Branch, Arts Court | Ottawa |
| Ottawa. City Operations, Parks, Recreation and Cultural Services, Cultural and Heritage Services Branch, Community Arts Program | Ottawa |
| Ottawa. City Operations, Parks, Recreation and Cultural Services, Cultural and Heritage Services Branch, Pinhey's Point Historic Site | Kanata |
| Ottawa. City Operations, Parks, Recreation and Cultural Services, Cultural Services Branch, City Archives | Ottawa |
| Ottawa. City Operations, Parks, Recreation and Cultural Services, Heron Seniors' Centre | Ottawa |
| Ottawa. City Operations, Parks, Recreation and Cultural Services, Hintonburg Community Centre | Ottawa |
| Ottawa. City Operations, Parks, Recreation and Cultural Services, Outdoor and Indoor Rinks, Ice Skating, In-line Skating | Ottawa |
| Ottawa. City Operations, Parks, Recreation and Cultural Services, Overbrook Community Centre | Ottawa |
| Ottawa. City Operations, Parks, Recreation and Cultural Services, Summer Camps, Special Needs | Nepean |
| Ottawa. City Operations, Transit Services, OC Transpo | Ottawa |
| Ottawa. Infrastructure Services and Community Sustainability, Environmental Services Department, Solid Waste Operations Branch | Ottawa |
| Ottawa. Infrastructure Services and Community Sustainability, Transit Services, OC Transpo, Accessible Transit | Ottawa |
| Ottawa. Ottawa Police Service | Ottawa |
| Ottawa. Ottawa Police Service, Community Development, Ottawa Police Liaison Committee for Lesbian, Gay, Bisexual and Transgender Communities | Ottawa |
| Ottawa. Ottawa Police Service, Elder Abuse | Ottawa |
| Ottawa. Ottawa Police Service, Partner Assault | Ottawa |
| Ottawa. Ottawa Police Service, Sexual Assault & Child Abuse Section | Ottawa |
| Ottawa. Ottawa Police Service, Support Services, Victim Crisis Unit | Ottawa |
| Ottawa-Carleton Association for Persons with Developmental Disabilities | Ottawa |
| Ottawa-Carleton Association for Persons with Developmental Disabilities, Community Services, Homeshare Program | Ottawa |
| Ottawa-Carleton Association for Persons with Developmental Disabilities, Community Services, Respite Care Program | Ottawa |
| Ottawa-Carleton Association for Persons with Developmental Disabilities, Education and Training Services, ARC Industries | Ottawa |
| Ottawa-Carleton Association for Persons with Developmental Disabilities, Education and Training Services, Community Transitions Centre | Ottawa |
| Ottawa-Carleton Association for Persons with Developmental Disabilities, Education and Training Services, Loeb Centre For Vocational Training | Ottawa |
| Ottawa-Carleton Association for Persons with Developmental Disabilities, Education and Training Services, Quinlan Adult Developmental Centre | Ottawa |
| Ottawa-Carleton Association for Persons with Developmental Disabilities, Education and Training Services, Rosenthal Services | Ottawa |
| Ottawa-Carleton Association for Persons with Developmental Disabilities, Open Hands | Cornwall |
| Ottawa-Carleton Association for Persons with Developmental Disabilities, Residential Services, Adult Residential Program | Ottawa |
| Ottawa-Carleton Association for Persons with Developmental Disabilities, Supported Work, Community Support Services, Homeshare, Day & Residential Programs | Ottawa |
| Ottawa-Carleton District School Board | Nepean |
| Ottawa-Carleton District School Board, A Y Jackson Secondary School, Adult High School Diploma Program | Kanata |
| Ottawa-Carleton District School Board, Adult High School, Adult High School Diploma Program | Ottawa |
| Ottawa-Carleton District School Board, Alternative Schools | Ottawa |
| Ottawa-Carleton District School Board, Community Use of Schools | Ottawa |
| Ottawa-Carleton District School Board, Continuing Education Division | Ottawa |
| Ottawa-Carleton District School Board, Continuing Education Division, Adaptive Learning Program | Ottawa |
| Ottawa-Carleton District School Board, Continuing Education Division, English as a Second Language / Language Instruction for Newcomers to Canada | Ottawa |
| Ottawa-Carleton District School Board, Continuing Education Division, Literacy and Basic Skills | Ottawa |
| Ottawa-Carleton District School Board, Family Reception Centre | Ottawa |
| Ottawa-Carleton District School Board, Learning Support Services | Nepean |
| Ottawa-Carleton District School Board, Merivale High School, Adult High School Diploma Program | Nepean |
| Ottawa-Carleton District School Board, Sir Robert Borden High School, Adult High School Diploma Program | Nepean |
| Ottawa-Carleton District School Board, Sir Wilfrid Laurier Secondary School, Adult High School Diploma Program | Orléans |
| Ottawa-Carleton Lifeskills Inc. | Kanata |
| Ottawa-Carleton Puppeteers for Kids on the Block | City of Ottawa |
| Ottawa-Carleton Wheelchair Sports Association | Ottawa |
| Our Lady of Mercy R C Church | Bancroft |
| Overcoming Dyslexia | Ottawa |
| Overeaters Anonymous, Brockville | Brockville |
| Overeaters Anonymous, Kingston | Kingston |
| Overeaters Anonymous, Ottawa District Intergroup | City of Ottawa |
| Overeaters Anonymous, Perth | Perth |
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