| SCSelkirk CORP Heat-fab | Turners Falls | MA | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
| TITaco INC | Fall River | MA | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| UCUnited County Ind Dba County Heat Treat | Millbury | MA | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| UTUS Tsubaki Automotive Division Manufacturing Plant | Chicopee | MA | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
| UTU.s. Tsubaki Power Transmission LLC - Roller Chain Division | Holyoke | MA | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| AMAdvance Mfg.co., INC. | Westfield | MA | Fabricated Metal Product Manufacturing332710 | 100-499 | ▲ REPORTED CLOSED |
Atome Incorporated | Ipswich | MA | Fabricated Metal Product Manufacturing332117 | — | ◐ LIKELY ACTIVE |
| HTHigh Tech Machinists, INC. | Chelmsford | MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| IGId Graphics Group INC | South Easton | MA | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| LMLanford Manufacturing Corporation | Lawrence | MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| MIMetal Improvement Company, LLC | Wilmington | MA | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| VSValley Steel Stamp, INC. | Greenfield | MA | Fabricated Metal Product Manufacturing332710 | 100-499 | ◐ LIKELY ACTIVE |
| AAAdvanced Aerostructures INC | Chicopee | MA | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| AMAccurate Metal Finishing INC | Randolph | MA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| AFAnjen Finishing INC | Marlborough | MA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| DCDynamic Chromium Industries I | Newburyport | MA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| FEFeeleys Enameling CO INC | Quincy | MA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| GIGeartronics Industries | Billerica | MA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| MTMicrometal Technologies | Newburyport | MA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| NINovotech INC | Acton | MA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| SSSouth Shore Plating Company Incorporated | Quincy | MA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SMSweet Metal Finishing | Attleboro | MA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| WCWakefield Corporation the | Wakefield | MA | Fabricated Metal Product Manufacturing332117 | — | ◇ UNVERIFIED |
| AMAdvance Mfg CO INC | Westfield, City of | MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| ATArland Tool & Mfg., INC. | Sturbridge | MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| AEAssociated Electro Mechanics INC | Springfield | MA | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| ACAtlantis Corporation East | Adams | MA | Fabricated Metal Product Manufacturing332323 | 20-99 | ◐ LIKELY ACTIVE |
| ACAxis Cnc Incorporated | Ware | MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| BEBarber Electric Enclosures Mfg. Co., INC. | North Attleboro | MA | Fabricated Metal Product Manufacturing332322 | — | ◐ LIKELY ACTIVE |
| CCChurchill CORP | Melrose | MA | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| CICraft, Inc. | South Attleboro | MA | Fabricated Metal Product Manufacturing332116 | 20-99 | ◐ LIKELY ACTIVE |
| DIDeangelis Iron Works INC | South Easton | MA | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| DPDeerfield Packaging Services | Turners Falls | MA | Fabricated Metal Product Manufacturing332212 | 20-99 | ◐ LIKELY ACTIVE |
| DDexter-russell | Sturbridge | MA | Fabricated Metal Product Manufacturing332215 | — | ◐ LIKELY ACTIVE |
| DGDuncan Galvanizing Corp | Everett | MA | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
Evans Industries, Inc. | Topsfield | MA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| ESEvergreen Solar | Ayer | MA | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| FSFive Star Plating | Lawrence | MA | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| FMFp Mcnamara Rubbish Removal INC | Springfield | MA | Fabricated Metal Product Manufacturing332111 | — | ◐ LIKELY ACTIVE |
| GIGtg, INC. | Middleton | MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| HPHewlett Packard | Waltham | MA | Fabricated Metal Product Manufacturing332211 | — | ◐ LIKELY ACTIVE |
| HEHillside Engineering, INC. | Danvers | MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| HIHunter Industries/DBA Sousa & DeMayo | Attleboro Falls | MA | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| HAHutchinson Aerospace & Industry, INC. | Hopkinton | MA | Plastics and Rubber Products Manufacturing326291 | — | ◐ LIKELY ACTIVE |
| IMIndustrial Metal Products CO | Sharon | MA | Fabricated Metal Product Manufacturing332116 | 20-99 | ◐ LIKELY ACTIVE |
| KIKampersal, INC. | Dedham | MA | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| KMK & M Engineering, INC | Marlborough | MA | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| KMKnight Machine & Tool Company, INC. | South Hadley | MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| KIKtron Incorporated | Marlborough | MA | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| LILista International INC | Holliston | MA | Fabricated Metal Product Manufacturing332216 | — | ◐ LIKELY ACTIVE |