| CMColumbia Manufacturing INC | Westfield | MA | Machinery Manufacturing333112 | 20-99 | ● ACTIVE |
| JSJarvis Surgical | Westfield | MA | Miscellaneous Manufacturing339112 | 20-99 | ● ACTIVE |
Manufacturing Technology Group, INC | Westfield | MA | Fabricated Metal Product Manufacturing332999 | 20-99 | ● ACTIVE |
| MIMestek INC | Westfield | MA | Machinery Manufacturing333414 | 100-499 | ● ACTIVE |
Midac CORP | Westfield | MA | Computer and Electronic Product Manufacturing334513 | 1-19 | ● ACTIVE |
Millrite Machine INC. | Westfield | MA | Fabricated Metal Product Manufacturing332710 | 20-99 | ● ACTIVE |
Paragon Mfg., INC. | Westfield | MA | Fabricated Metal Product Manufacturing332710 | 20-99 | ● ACTIVE |
Peerless Precision, INC. | Westfield | MA | Fabricated Metal Product Manufacturing332710 | 20-99 | ● ACTIVE |
| SASavage Arms | Westfield | MA | Fabricated Metal Product Manufacturing332994 | 100-499 | ● ACTIVE |
Seal-ryt CORP. | Westfield | MA | Miscellaneous Manufacturing339991 | 20-99 | ● ACTIVE |
Transom Scopes, INC. | Westfield | MA | Computer and Electronic Product Manufacturing334519 | 1-19 | ● ACTIVE |
Westfield Electroplating Company | Westfield | MA | Fabricated Metal Product Manufacturing332813 | 100-499 | ● ACTIVE |
Acralube, INC. | Westfield | MA | Fabricated Metal Product Manufacturing332812 | 1-19 | ● ACTIVE |
Automatic Lube Systems, INC. | Westfield | MA | Machinery Manufacturing333914 | 1-19 | ● ACTIVE |
Boulevard Machine & Gear, INC. | Westfield | MA | Fabricated Metal Product Manufacturing332710 | 1-19 | ● ACTIVE |
Transcon Technologies, LLC | Westfield | MA | Computer and Electronic Product Manufacturing334416 | 20-99 | ● ACTIVE |
Act Vehicle Equipment, INC. | Westfield | MA | Transportation Equipment Manufacturing336211 | — | ● ACTIVE |
Aircraft Component Design, LLC. | Westfield | MA | Transportation Equipment Manufacturing336412 | — | ● ACTIVE |
| PMPrecision Manufacturing Ind., LLC | Westfield | MA | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |