- California Rebuilt Exchange
- Datum One Engineering
- Elmore Products
- G & J Machine Co
- Graves Automotive Supply
- Johnson's Tooling & Machining
- Koam Machine
- Los Angeles Cylinder Head
- Mc Garec Gear & Machine Inc
- Mc Garec Gear & Machine Inc
- Metro Grinding & Thread Rllng
- Metro Grinding & Thread Rllng
- NCMI-Brueggemann Inc
- Ojeda's Machine Shop
- Orbit Manufacturing
- Pac Zonamatic Inc
- Palo Inc
- Precision Lathe Works
- Skytek Mfg Co
- South Precision
- Zero Zero Molding