- A & A Industries Inc
- Acadian Utilities Inc
- Accu-Dyne Machine Tool Inc
- Andover Med Development Group
- Bass Precision Products
- C J Machine & Design
- Chase Engineering
- Corbeil Enterprises
- Cote Machine
- Dcm Svc
- Eric's Machine Shop
- H & T Specialty Co
- H J Mold & Fixtures
- Jet Products Inc
- K & W Machine Works
- KMS Machine Works
- Mac Diarmid Machine Co
- New World Machine & Tool
- Nichols Machine Co Inc
- Nixon Machine Svc
- Phillips Precision
- Precise Ind Inc
- Precision Edm
- Prototype Toolpaths Inc
- R & D Machining Inc
- R G Machine Inc
- Rfm Machine Co
- Rodco Engineering
- Rol-Lab Research & Development
- Sarro Manufacturing
- Space Age Assoc
- Specialty Machine Co
- Sunderland Manufacturing
- Tech Ridge Inc
- Temco Tool Co Inc
- TNT Mfg
- United Tool Co
- Universal Machine & Tool
- Valley Experimental Machine Co