The wineries change with more added each year and some changing hands most years. This is by no means a complete list of Ontario wineries!
Note: Wineries marked with an asterisk are no longer operating under the name on this list.
| 16 Mile Cellars | V |
| Adamo | V |
| Angels Gate * | V |
| Between the Lines | V |
| Caroline Cellars | V |
| Calamus | V |
| Chateau des Charmes | V |
| Colaneri | V |
| Creekside | V |
| Di Profio * | OB |
| Featherstone | V |
| Fielding | V |
| Foreign Affair | V |
| Gallucci | V |
| Good Earth | V |
| Henry of Pelham | V |
| Hernder | V |
| Karlo | V |
| Kew | V |
| Konzelmann | V |
| Mike Weir * | OB |
| Norman Hardie | V |
| Palatine Hills | V |
| Peller Estates | V |
| Peninsula Ridge | V |
| Pillitteri Estates | V |
| Redstone | V |
| Redtail | V |
| Reif Estate | V |
| Southbrook | V |
| Strewn | V |
| Sue-Ann Staff | V |
| Tawse | V |
| Thirty Bench | V |
| Two Sisters | V |
| Ferox (formerly Rancourt) | V |
| Wayne Gretzky | V |
| Willow Springs | V |
Link = Reviewed V = Visited NV = Not yet visited NR = Not yet rated OB = Out of Business