- American Engine Installations
- American Engine Installations
- ATK North America
- Benton Machine & Auto Parts
- Brian's Machine Svc
- C & A Garage Engine Rebuilders
- Coleman Performance Engines
- Don's Automotive Svc
- Engine Exchange
- Fayetteville Motor Exchange
- Fliteline Engine Supply
- General Engine Rebuilding
- Hasselgren Racing Engines
- Jim's Engine Svc
- Mike's Engine Stand LLC
- MOTOR Connections
- Paul's Machine Shop & Engine
- Rebel Rebuilders Inc
- Simplex Motor Parts Co
- United Motor Svc
- Wayne's Auto Machine Co
