| SWSmith & Wesson INC | Springfield | MA | Leather and Allied Product Manufacturing316999 | 500+ | ◐ LIKELY ACTIVE |
| SLSpectrum Lighting | Fall River | MA | Fabricated Metal Product Manufacturing332999 | 100-499 | ◐ LIKELY ACTIVE |
| TPTrue Precision Industries, INC. | West Springfield | MA | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| VSValley Steel Stamp, INC. | Greenfield | MA | Fabricated Metal Product Manufacturing332710 | 100-499 | ◐ LIKELY ACTIVE |
| VTV&s Taunton Galvanizing LLC | Taunton | MA | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| WTWhitman Tool & Die | Whitman | MA | Fabricated Metal Product Manufacturing332116 | 20-99 | ◐ LIKELY ACTIVE |
| AMAccurate Metal Finishing INC | Randolph | MA | Fabricated Metal Product Manufacturing332812 | 1-19 | ◐ LIKELY ACTIVE |
| AIAstron, INC | Pepperell | MA | Fabricated Metal Product Manufacturing332116 | 1-19 | ◐ LIKELY ACTIVE |
Brownell Boat Stands | Mattapoisett | MA | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| CACapstan Atlantic | Wrentham | MA | Fabricated Metal Product Manufacturing332117 | 100-499 | ◐ LIKELY ACTIVE |
| CTCentury Ty-wood Manufacturing INC | Holliston | MA | Fabricated Metal Product Manufacturing332119 | 20-99 | ◐ LIKELY ACTIVE |
| DCDisston CO. | Chicopee | MA | Fabricated Metal Product Manufacturing332216 | 20-99 | ◐ LIKELY ACTIVE |
| FCFm Callahan & Son | Malden | MA | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| GIGeartronics Industries | Billerica | MA | Fabricated Metal Product Manufacturing332322 | 1-19 | ◐ LIKELY ACTIVE |
| HTHyde Tools | Southbridge | MA | Fabricated Metal Product Manufacturing332212 | 100-499 | ◐ LIKELY ACTIVE |
| IHIndustrial Heat Treating INC | Quincy | MA | Fabricated Metal Product Manufacturing332811 | 1-19 | ◐ LIKELY ACTIVE |
| IMInternational Metal Products | Chicopee | MA | Fabricated Metal Product Manufacturing332116 | 20-99 | ◐ LIKELY ACTIVE |
| LRLamb & Ritchie | Saugus | MA | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| MEMetfab Engineering INC | Attleboro Falls | MA | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| NMNash Manufacturing & Grinding Services | Springfield | MA | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| NN-tek | Lawrence | MA | Fabricated Metal Product Manufacturing332813 | 1-19 | ◐ LIKELY ACTIVE |
| PEPayne Engineering & Fabrications | Canton | MA | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| PFPrecision Fabricators LTD. LLC | Stoughton | MA | Fabricated Metal Product Manufacturing332431 | 1-19 | ◐ LIKELY ACTIVE |
| RCRichardson Charles a INC | Mansfield | MA | Fabricated Metal Product Manufacturing332111 | 1-19 | ◐ LIKELY ACTIVE |
| SMSchaefer Marine | New Bedford | MA | Fabricated Metal Product Manufacturing332111 | 1-19 | ◐ LIKELY ACTIVE |
| TITamer Industries | Somerset | MA | Fabricated Metal Product Manufacturing332312 | 1-19 | ◐ LIKELY ACTIVE |
| UCUnited County Ind Dba County Heat Treat | Millbury | MA | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| VTValentine Tool & Stamping Incorporated | Norton | MA | Fabricated Metal Product Manufacturing332116 | 1-19 | ◐ LIKELY ACTIVE |
| VPValley Plating Incorporated | Springfield | MA | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| VIVulcan Industries | Hudson | MA | Fabricated Metal Product Manufacturing332322 | 1-19 | ◐ LIKELY ACTIVE |
| AMAllied Machined Products CORP | Auburn | MA | Fabricated Metal Product Manufacturing332721 | 20-99 | ◇ UNVERIFIED |
| AMAb-wey Machine & Die Co., INC. | Pembroke | MA | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| AMAdvance Mfg.co., INC. | Westfield | MA | Fabricated Metal Product Manufacturing332710 | 100-499 | ▲ REPORTED CLOSED |
| ACAfc Cable Systems | New Bedford | MA | Fabricated Metal Product Manufacturing332618 | 100-499 | ◐ LIKELY ACTIVE |
| AMAgwey Metal Designs, INC | Plymouth | MA | Fabricated Metal Product Manufacturing332119 | 1-19 | ◐ LIKELY ACTIVE |
| AMApmar Metal Finishing | Springfield | MA | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| AUApMar USA, inc. | Springfield | MA | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| ABAshworth Bros., Inc. - MA | Fall River | MA | Fabricated Metal Product Manufacturing332618 | 1-19 | ◐ LIKELY ACTIVE |
| BEB & E Tool Company, INC. | Southwick | MA | Fabricated Metal Product Manufacturing332710 | 100-499 | ▲ REPORTED CLOSED |
| DSDakota Systems, Inc | Dracut | MA | Fabricated Metal Product Manufacturing332313 | 20-99 | ◐ LIKELY ACTIVE |
| ESElectropolishing Systems | Plymouth | MA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| FIFlexaust INC | Amesbury | MA | Plastics and Rubber Products Manufacturing326220 | 1-19 | ◐ LIKELY ACTIVE |
| HLHudson Lock | Hudson | MA | Fabricated Metal Product Manufacturing332510 | 20-99 | ◐ LIKELY ACTIVE |
| HAHutchinson Aerospace & Industry, INC. | Hopkinton | MA | Plastics and Rubber Products Manufacturing326291 | 100-499 | ◐ LIKELY ACTIVE |
| IGId Graphics Group INC | South Easton | MA | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| IPInteger Precision Technologies LLC | Hudson | MA | Fabricated Metal Product Manufacturing332812 | 100-499 | ◐ LIKELY ACTIVE |
| IEInterplex Etch Logic | Attleboro | MA | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| IIIrwin Industrial Tool Company | East Longmeadow | MA | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| LTLarson Tool & Stamping Company | Attleboro | MA | Fabricated Metal Product Manufacturing332116 | 20-99 | ◐ LIKELY ACTIVE |
Nkt Photonics INC. | Boston | MA | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |