| MIMeridian Industrial Group, LLC | Holyoke | 20–99 | ● ACTIVE |
Paragon Mfg., INC. | Westfield | — | ● ACTIVE |
Peerless Precision, INC. | Westfield | 20–99 | ● ACTIVE |
| SASavage Arms | Westfield | 100–499 | ● ACTIVE |
Springfield Spring Corporation | East Longmeadow | 20–99 | ● ACTIVE |
Westfield Electroplating Company | Westfield | 100–499 | ● ACTIVE |
Belt Technologies, INC. | Agawam | — | ● ACTIVE |
B & R Machine INC | Ludlow | — | ● ACTIVE |
Chemi-graphic, INC. | Ludlow | — | ● ACTIVE |
Dff CORP | Agawam | 100–499 | ● ACTIVE |
D & S Plating Co., INC. | Holyoke | — | ● ACTIVE |
Excel Dryer, INC. | East Longmeadow | — | ● ACTIVE |
| FPFountain Plating Co, LLC | West Springfield | 100–499 | ● ACTIVE |
Guardair CORP | Chicopee | — | ● ACTIVE |
Hayden CORP | West Springfield | — | ● ACTIVE |
Hoppe Technologies, INC | Chicopee | 20–99 | ● ACTIVE |
| KTKame Tool CO LLC | Chicopee | — | ● ACTIVE |
Kleeberg Sheet Metal, INC | Ludlow | — | ● ACTIVE |
Mcgill Hose & Coupling, INC. | East Longmeadow | — | ● ACTIVE |
Millrite Machine INC. | Westfield | — | ● ACTIVE |
New England Custom Coaters, INC. | Agawam | — | ● ACTIVE |
| NENew England Etching Co, INC. | Holyoke | — | ● ACTIVE |
Norpin Manufacturing CO INC | Wilbraham | — | ● ACTIVE |
Nortek, INC. | West Springfield | — | ● ACTIVE |
Parts Tool & Die, LLC | Agawam | — | ● ACTIVE |
Poly-plating, INC. | Chicopee | — | ● ACTIVE |
Vaupell Molding & Tooling, INC. | Agawam | — | ● ACTIVE |
51fifty, INC | Agawam | — | ● ACTIVE |
51fifty, INC. | Agawam | — | ● ACTIVE |
| AIAcralube, INC. | Westfield | — | ● ACTIVE |
Boulevard Machine & Gear, INC. | Westfield | — | ● ACTIVE |
| CMCommercial Machine, INC. | Ludlow | — | ● ACTIVE |
Duval Precision Grinding INC | Chicopee | — | ● ACTIVE |
Hawkeye Innovation LLC | Agawam | — | ● ACTIVE |
Lynn Ladder and Scaffolding CO INC | Springfield | — | ● ACTIVE |
| MTManufacturing Technology Group, INC | Westfield | — | ● ACTIVE |
| PMPrecision Manufacturing Ind., LLC | Westfield | — | ● ACTIVE |
Savage Range Systems, INC. | Westfield | — | ● ACTIVE |
United Innovations, INC. | Holyoke | — | ● ACTIVE |
Whalley Precision, INC. | Southwick | — | ● ACTIVE |
| IPIndustrial Precision, INC | Westfield | 20–99 | ▲ REPORTED CLOSED |
| SWSmith & Wesson INC | Springfield | 500+ | ◐ LIKELY ACTIVE |
| AMApmar Metal Finishing | Springfield | — | ◐ LIKELY ACTIVE |
| BEB & E Tool Company, INC. | Southwick | 100–499 | ▲ REPORTED CLOSED |
| DPDuc Pac Corporation the | Springfield | 20–99 | ◐ LIKELY ACTIVE |
| IIIrwin Industrial Tool Company | East Longmeadow | 20–99 | ◐ LIKELY ACTIVE |
| VAVision American Saw LLC | East Longmeadow | — | ◐ LIKELY ACTIVE |
| WFWestside Finishing CO INC | Holyoke | 20–99 | ◐ LIKELY ACTIVE |
| IMInternational Metal Products | Chicopee | — | ◐ LIKELY ACTIVE |
| SFStorms Forge Incorporated | Springfield, City of | — | ◐ LIKELY ACTIVE |