| ont.archives | y | Archives in Ontario, Canada |
| ont.bicycle | y | Cycling in Ontario |
| ont.conditions | y | Current highway conditions for winter driving |
| ont.events | y | Ontario, Canada happenings |
| ont.forsale | y | |
| ont.general | y | Items of general interest in Ontario, Canada |
| ont.jobs | y | Jobs in Ontario, Canada |
| ont.micro | y | Microcomputer related postings in Ontario, Canada |
| ont.politics | y | |
| ont.sf-lovers | y | Science Fiction Lovers in Ontario, Canada |
| ont.singles | y | Singles in Ontario, Canada |
| ont.test | y | Testing in Ontario, Canada |
| ont.uucp | y | UUCP related postings in Ontario, Canada |