| Old Mill Inn, The | Send E-mail | Visit Web Site | | 21 Old Mill Road, Toronto, M8X 1G5 | | 416-236-2641 |
| Old York Banquet & Reception | | | | 446 Davis Drive, Newmarket, L3Y 2P2 | | 905-836-5693 |
| Olympia Convention Centre | | | | 1162 Barton Street East, Hamilton, L8H2V6 | | 905-312-6951 |
| Ontario Heritage Foundation | Send E-mail | Visit Web Site | | 10 Adelaide Street East, Toronto, | | 416-314-3585 |
| Otello's of Oakville | Send E-mail | Visit Web Site | | 2273 Royal WIndsor Drive, Oakville, | | 905-849-6416 |
| Pandora's Palace Banquet Hall | | | | 10 Newkirk Road, Richmond Hill, L4C5S3 | | 905-787-1963 |
| Panemonte Banquet & Convention Centre | Send E-mail | Visit Web Site | | 220 Humberline Dr., Etobicoke, M9W 5Y4 | | 416-798-0060 |
| Paradise Banquet & Convention Centre | Send E-mail | Visit Web Site | | 7601 Jane St., Vaughan, L4K 1X2 | | 416-661-6612 |
| Paramount | Send E-mail | Visit Web Site | | 222 Rowntree Dairy Rd, , | | 416-410-4511 |
| Pavilion Royale | Send E-mail | Visit Web Site | | 5165 Dixie Rd, Mississauga, | | 905-624-4009 |
| Payal Banquet Halls | | | | 3410 Semenyk Court , Mississauga, L5B 3W3 | | 905-281-8800 |
| Pearson Convention Center | Send E-mail | Visit Web Site | | 2638 Steeles Ave E, Brampton, | | 905-494-0444 |
| Portobello Banquet Hall | | | | 21 Toryork Drive 200, North York, M9L 1X9 | | 416-741-9543 |
| Premier Banquet & Convention Centre | | | | 9019 Leslie Street , Thornhill, L4J 2N1 | | 905-709-1759 |
| Premier Place | Send E-mail | Visit Web Site | | 696 Westburne Dr., Concord, L4K 4V5 | | 905-879-0172 |
| Premiere Ballroom & Convention Centre | Send E-mail | Visit Web Site | | 9019 Leslie St. , Richmond Hill, L4B 4A3 | | 416-410-0085 |
| Premium Banquet Halls Inc | | | | 2360 Lucknow Drive, Mississauga, L5S 1H3 | | 905-677-7879 |
| Presidente Banquet Hall | | | | 1133 Creditstone Road , Concord, L4K 4N7 | | 416-736-6820 |
| Q-ssis Banquet Halls | Send E-mail | Visit Web Site | | 3474 Kingston Rd., Scarborough, | | 416-265-3030 |
| Ramada Hotel & Conference Centre | Send E-mail | Visit Web Site | | 185 Yorkland Boulevard, Toronto, M2J 4R2 | | 416-502-6861 |
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