- Alabama S2000 Owners Club
- Allegheny S2000 Owners Club
- Carolinas
- Delaware Valley S2000 Members
- Florida S2000 Owners
- Georgia S2000 Owners
- Mid-Atlantic S2000 Owners
- Tennessee S2000 Owners
- New England S2000 Owners
- New York - Metro New York S2000 Owners
- New York - Upstate New York S2000 Owners
- Ottawa S2000 Owners
- Southern Ontario S2000 Owners
- The Maritimes