- 99 Precision Tools
- Accufab
- Acra Machining
- Akron Engineering & Machining
- All Time Machine
- AM Ova
- AM Tek Engineering
- Angeles Precision Products
- APC Machine Inc
- Better Co
- Bock Machine Co Inc
- C & H Mfg Inc
- C & N Machinery
- C S Jig Grinding
- D & N Machine Co
- Demco Machine
- Elite Machining Co
- Emi Webber
- Emsco Precision
- H M Quality Machinging
- Handi Forge Die Inc
- Industrial Machining Co
- J & J Tool Specialties
- JCM Engineering
- Jim Burkey Tool
- K & K Forge Die Inc
- Keeley Aerospace
- Kuder Engineering Inc
- Lamb Engineering Inc
- Lanic Engineering Machine Shop
- MAGCNC Swiss Turning
- Marlee Manufacturing
- Marlee Manufacturing
- NBT Machining Inc
- Ogaz Enterprises Inc
- Parts Inc
- Pena's Machining
- PMC Machine
- Primos Cylinder Head
- R & R Machine
- R J Industries
- Summit Machine Inc
- Temecula Precision Machine Wrk
- V & M Mfg
- Watson's Profiling Corp
- Y S De Leon Machine
