| AMAgri Mark INC | West Springfield, MA | Food Manufacturing311511 | 100–499 | ● ACTIVE |
| CGCallaway Golf Ball Operations INC | Chicopee, MA | Plastics and Rubber Products Manufacturing326299 | 100–499 | ● ACTIVE |
Dielectrics INC. | Chicopee, MA | Plastics and Rubber Products Manufacturing326113 | — | ● ACTIVE |
| EIElectro-term, INC. | Springfield, MA | Electrical Equipment, Appliance & Component Manufacturing335931 | 20–99 | ● ACTIVE |
| IPIndustrial Precision, INC | Westfield, MA | Fabricated Metal Product Manufacturing332710 | 20–99 | ● ACTIVE |
| MIMeridian Industrial Group, LLC | Holyoke, MA | Fabricated Metal Product Manufacturing332710 | 20–99 | ● ACTIVE |
| MIMestek INC | Westfield, MA | Machinery Manufacturing333414 | 100–499 | ● ACTIVE |
Paragon Mfg., INC. | Westfield, MA | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
Peerless Precision, INC. | Westfield, MA | Fabricated Metal Product Manufacturing332710 | 20–99 | ● ACTIVE |
| PMPrefere Melamines | Springfield, MA | Chemical Manufacturing325211 | 20–99 | ● ACTIVE |
Rathbone Precision Metals, INC | Palmer, MA | Primary Metal Manufacturing331221 | 20–99 | ● ACTIVE |
| SMSanderson Macleod INC | Palmer, MA | Miscellaneous Manufacturing339994 | 20–99 | ● ACTIVE |
| SASavage Arms | Westfield, MA | Fabricated Metal Product Manufacturing332994 | 100–499 | ● ACTIVE |
Sound Seal, INC. | Agawam, MA | Nonmetallic Mineral Product Manufacturing327993 | 20–99 | ● ACTIVE |
Springfield Spring Corporation | East Longmeadow, MA | Fabricated Metal Product Manufacturing332613 | 20–99 | ● ACTIVE |
Universal Plastics Corporation | Holyoke, MA | Chemical Manufacturing325211 | 20–99 | ● ACTIVE |
Westfield Electroplating Company | Westfield, MA | Fabricated Metal Product Manufacturing332813 | 100–499 | ● ACTIVE |
American Cable Assemblies, INC | Palmer, MA | Electrical Equipment, Appliance & Component Manufacturing335921 | — | ● ACTIVE |
| BEB & E Tool Company, INC. | Southwick, MA | Fabricated Metal Product Manufacturing332710 | 100–499 | ● ACTIVE |
B & R Machine INC | Ludlow, MA | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
| CFCg Family Foods | Agawam, MA | Food Manufacturing311412 | 20–99 | ● ACTIVE |
Chemi-graphic, INC. | Ludlow, MA | Fabricated Metal Product Manufacturing332812 | — | ● ACTIVE |
| CPCommonwealth Packaging CORP | Chicopee, MA | Paper Manufacturing322211 | 20–99 | ● ACTIVE |
Cyalume Technologies INC | West Springfield, MA | Chemical Manufacturing325211 | — | ● ACTIVE |
Dff CORP | Agawam, MA | Fabricated Metal Product Manufacturing332710 | 100–499 | ● ACTIVE |
D & S Plating Co., INC. | Holyoke, MA | Fabricated Metal Product Manufacturing332813 | — | ● ACTIVE |
Excel Dryer, INC. | East Longmeadow, MA | Fabricated Metal Product Manufacturing332913 | — | ● ACTIVE |
Fleming Industries INC | Chicopee, MA | Textile Product Mills314910 | 20–99 | ● ACTIVE |
Guardair CORP | Chicopee, MA | Fabricated Metal Product Manufacturing332912 | — | ● ACTIVE |
Hampden Engineering CORP | East Longmeadow, MA | Machinery Manufacturing333310 | — | ● ACTIVE |
Hayden CORP | West Springfield, MA | Fabricated Metal Product Manufacturing332812 | — | ● ACTIVE |
Hoppe Technologies, INC | Chicopee, MA | Fabricated Metal Product Manufacturing332710 | 20–99 | ● ACTIVE |
Interstate Manufacturing Company, INC | Agawam, MA | Machinery Manufacturing333514 | — | ● ACTIVE |
Jet Industries, INC. | Agawam, MA | Transportation Equipment Manufacturing336412 | — | ● ACTIVE |
| KTKame Tool CO LLC | Chicopee, MA | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
Kleeberg Sheet Metal, INC | Ludlow, MA | Fabricated Metal Product Manufacturing332322 | — | ● ACTIVE |
Mcgill Hose & Coupling, INC. | East Longmeadow, MA | Fabricated Metal Product Manufacturing332912 | — | ● ACTIVE |
Millrite Machine INC. | Westfield, MA | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
New England Custom Coaters, INC. | Agawam, MA | Fabricated Metal Product Manufacturing332812 | — | ● ACTIVE |
| NENew England Etching Co, INC. | Holyoke, MA | Fabricated Metal Product Manufacturing332812 | — | ● ACTIVE |
Norpin Manufacturing CO INC | Wilbraham, MA | Fabricated Metal Product Manufacturing332431 | — | ● ACTIVE |
Nortek, INC. | West Springfield, MA | Fabricated Metal Product Manufacturing332721 | — | ● ACTIVE |
Parts Tool & Die, LLC | Agawam, MA | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
Polymer Corporation | Palmer, MA | Plastics and Rubber Products Manufacturing326199 | — | ● ACTIVE |
Poly-plating, INC. | Chicopee, MA | Fabricated Metal Product Manufacturing332813 | — | ● ACTIVE |
Seal-ryt CORP. | Westfield, MA | Miscellaneous Manufacturing339991 | — | ● ACTIVE |
Springfield Label & Tape Co, INC | Springfield, MA | Printing and Related Support Activities323111 | 20–99 | ● ACTIVE |
| TTTell Tool INC | Westfield, MA | Machinery Manufacturing333515 | 100–499 | ● ACTIVE |
Transom Scopes, INC. | Westfield, MA | Computer and Electronic Product Manufacturing334519 | — | ● ACTIVE |
Trident Alloys, INC. | Springfield, MA | Primary Metal Manufacturing331492 | — | ● ACTIVE |