| ServiceOntario | Ontario |
| ServiceOntario, Ottawa - Laurier Ave W | Ottawa (City of) |
| ServiceOntario, Alexandria | Alexandria |
| ServiceOntario, Bancroft Office | Bancroft |
| ServiceOntario, Belleville Office | Belleville |
| ServiceOntario, Brockville | Brockville |
| ServiceOntario, Carleton Place | Carleton Place |
| ServiceOntario, Casselman | Casselman |
| ServiceOntario, Cornwall - 14th St W | Cornwall |
| ServiceOntario, Cornwall - Second St E | Cornwall |
| ServiceOntario, Elgin | Elgin |
| ServiceOntario, Embrun | Embrun |
| ServiceOntario, Flinton | Flinton |
| ServiceOntario, Gananoque | Gananoque |
| ServiceOntario, Hawkesbury | Hawkesbury |
| ServiceOntario, Kemptville | Kemptville |
| ServiceOntario, Killaloe Counter | Killaloe, Hagarty and Richards |
| ServiceOntario, Kingston - Bath Rd | Kingston |
| ServiceOntario, Kingston - Division St | Kingston |
| ServiceOntario, Madoc Office | Madoc |
| ServiceOntario, Marmora | Marmora |
| ServiceOntario, Morrisburg | Morrisburg |
| ServiceOntario, Napanee | Napanee |
| ServiceOntario, Ottawa - Bank St | Ottawa (City of) |
| ServiceOntario, Ottawa - Carling Ave | Ottawa (City of) |
| ServiceOntario, Ottawa - Merivale Rd | Ottawa (City of) |
| ServiceOntario, Ottawa - Ogilvie Rd | Ottawa (City of) |
| ServiceOntario, Ottawa - St Joseph Blvd | Orleans |
| ServiceOntario, Ottawa - Stittsville Main St | Stittsville |
| ServiceOntario, Ottawa-Carleton - Office No. 4, Land Registry Offices | Ottawa |
| ServiceOntario, Pembroke, Land Registry Offices | Pembroke |
| ServiceOntario, Perth | Perth |
| ServiceOntario, Picton Office | Picton |
| ServiceOntario, Prescott | Prescott |
| ServiceOntario, Rockland | Rockland |
| ServiceOntario, Smiths Falls | Smiths Falls |
| ServiceOntario, Toronto - No Physical Address, ServiceOntario Centres | Toronto Downtown |
| ServiceOntario, Trenton Office | Trenton |
| ServiceOntario, Verona | Verona |
| ServiceOntario, Westport | Westport |
| ServiceOntario, Winchester | Winchester |