- A 1 Clutch Dennis Transmission
- AAMCO Transmissions
- AAMCO Transmissions
- Academy Transmissions
- Brake & Clutch Svc By Friction
- Clutch Doctors Inc
- Conway Clutch Co
- Cottman Transmission Ctr
- Cutler Hammer
- Delta Clutch & Machine
- Facet Electric Clutches
- Friction Specialties
- Great Lakes Power Products
- Integrity Auto Independent
- Kimba Transmissions
- L & S Specialty Co
- Logan Clutch Corp
- Luk-Automotive
- Nova Clutch Inc
- Oklahoma Clutch Supply
- Palmer Johnson Distributors
- Qualtekproducts
- Roto-Magic
- Schier Clutch & Equipment
- Torque Inc
- Wagner Industrial Inc
- Wellman Products Group Inc
- Yankee Transmissions