- Ace Valve Mfg Inc
- Alpena Auto Electric Inc
- BME LTD
- Day Piston Co
- Deves Piston Rings
- Double Seal Ring Co
- Double Seal Ring Co
- Dover Corp
- Eaton Corp
- Eriks West
- Eriks West
- Eurasian Carbtr Parts
- Federal Mogul Powertrain Syst
- Federal-Mogul Corp
- Federal-Mogul Powertrain Systs
- Federal-Mogul Powertrain Systs
- Grover Piston Ring Inc
- Hastings Manufacturing Co
- Holley Performance Products
- Holley Performance Products
- Hydra-Seal Inc
- Karl Schmidt Unisia Inc
- Mahle Inc
- Midwest Metal Products
- Mizpah Precision Mfg
- Naico Inc
- Naico Inc
- Pacific Piston Ring Co Inc
- Panoplate Lithographics Inc
- Peterson Spring
- Piston Ring Svc Co
- Power Transmisson Svc
- Propane Equipment Corp
- Roberson's Fuel Injection
- Rotork Controls Inc
- Safety Seal Piston Ring Co
- Safety Seal Piston Ring Co
- Simplex Graymarine Parts
- Tucker Co Inc
- United Engine & Machine Co
- US Engine Valve
- Valve Maintance Corp
- Zenith Fuel Systems LLC
