- Accurate Development Mfg
- Advanced Components Mfg
- American Prototype
- B & H Technical Ceramics
- Bay Area Atlas Machine Shop
- BMC Technology
- Bob's Proto Type & Machining
- C & C Machining
- Fabtron
- Frank Nagy
- Frank Nagy
- G & E Machining
- H & H Enterprises
- Huber Precision Machine
- Jerry Carroll Machining
- Keller Enterprises
- Lazar Machining
- Manufacturers Outlet
- Pace Machine Products Inc
- Perfection Tool & Machine
- Performex Machining Co
- Pettit Machine
- R M Mfg
- R P Mfg
- R P Specialists
- S & K
- S & T Machining
- Titan Precision
- Universal Precision Mfg & Mach
- Warren's Precision Machining
