| Barrie Snowmobile Club | Simcoe |
| Bonsecour Track and Trail Snowmobile Club | |
| Brussels & Walton Trailblazers Snowmobile Club, No Physical Address | Huron East |
| Buckhorn District Snowmobile Club | Trent Lakes |
| Ellice Swampers Snowmobile Club, No Physical Address | |
| Georgian Bay Snowriders Club | Midland |
| Maitland Valley Snowmobile Club | North Perth |
| Milverton and District Snowmobile Club | Perth East |
| OFSC District 7 | Bracebridge |
| North Huron Trail Grooming, Clinton, Snowmobile Club | Bluewater |
| Ontario Federation of Snowmobile Clubs, Mailing Address | Barrie |
| Ontario Federation of Snowmobile Clubs, Simcoe County, Mid Ontario Snowmobile Trails | Tay |
| Orillia District Snowmobile Club | Orillia |
| Osprey Snowhawks Snowmobile Club | Grey Highlands |
| Pineridge Snowmobile Club, No Physical Address | |
| Rice Lake Snow Drifters | Otonabee-South Monaghan |
| Simcoe County Trails, Mailing Address, Oro-Medonte Lake Country RailTrail | Oro-Medonte |
| Sno Voyageur Club | Springwater |
| Wasaga Beach Snowmobile Club | Wasaga Beach |
| Wingham & District Snowmobile Club | North Huron |