- Acu Spec Inc
- ADA Machine
- ADEM
- ADEMLLC
- Aerotron Manufacturing
- Alta Design & Mfg Inc
- Annex Precision
- Ascent Design & Mfg Inc
- Bertolin Engineering
- Bopol Machining
- C & B Machine
- C J Machining
- City Tool Die & Mfg Co
- Clover Machine & Mfg
- Crosswind Machining
- Durotek
- Eagle Precision
- Espe Machine Works
- Evans Precision Machining
- Expol Machining
- H & M Precision Machining
- Hi Machine
- Hi-Tech Mfg
- Master Precision Machining
- Mc Kenzie Machining
- Micron Teck
- Moody Manufacturing
- Nick's Machining
- NPD Precision Machining Inc
- Polex Precision Machining
- Promac Machining
- R P Engineering
- S V Precison
- Semiware Inc
- Swiss Screw Products Inc
- TER Precision
- Turpo Manufacturing Co
- Tymar Precision Inc
- U S Machining
- VIP Manufacturing Corp
- W S Tooling Co
- Zenitram Mfg Prototype & Prod