| IInnovent | Peabody | MA | Fabricated Metal Product Manufacturing332999 | 20-99 | ◇ UNVERIFIED |
| KWKen Weld CO INC | Worcester | MA | Fabricated Metal Product Manufacturing332313 | 1-19 | ◇ UNVERIFIED |
| KMKilleen Machine Tool CO | Worcester | MA | Fabricated Metal Product Manufacturing332116 | 20-99 | ◇ UNVERIFIED |
| MTMicrometal Technologies | Newburyport | MA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| MPMillenium Plating Company | Lowell | MA | Fabricated Metal Product Manufacturing332813 | 1-19 | ◇ UNVERIFIED |
| REReliable Electro Plating INC | Norton | MA | Fabricated Metal Product Manufacturing332813 | 1-19 | ◇ UNVERIFIED |
| STSem Tec INC | Worcester | MA | Fabricated Metal Product Manufacturing332991 | 1-19 | ◇ UNVERIFIED |
| STStarbase Technologies INC | Pittsfield | MA | Fabricated Metal Product Manufacturing332710 | 1-19 | ◇ UNVERIFIED |
| SMSynventive Molding Solutions | Peabody | MA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| TAT & a Tool INC | Adams | MA | Fabricated Metal Product Manufacturing332212 | 1-19 | ◇ UNVERIFIED |
| VPValentine Plating CO INC | West Springfield | MA | Fabricated Metal Product Manufacturing332813 | 20-99 | ◇ UNVERIFIED |
| WCWakefield Corporation the | Wakefield | MA | Fabricated Metal Product Manufacturing332117 | — | ◇ UNVERIFIED |
| WCWhitman Company INC | Whitman | MA | Fabricated Metal Product Manufacturing332813 | 1-19 | ◇ UNVERIFIED |
| AMAdvance Mfg CO INC | Westfield, City of | MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| CICraft, Inc. | South Attleboro | MA | Fabricated Metal Product Manufacturing332116 | 20-99 | ◐ LIKELY ACTIVE |
| DIDeAngelis Iron Work Inc. | S. Easton | MA | Fabricated Metal Product Manufacturing332323 | 20-99 | ◐ LIKELY ACTIVE |
| DDexter-russell | Sturbridge | MA | Fabricated Metal Product Manufacturing332215 | — | ◐ LIKELY ACTIVE |
| EHE H Metalcraft Co, INC. | West Bridgewater | MA | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| EIErgomet INC | Ward Hill | MA | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| FMFp Mcnamara Rubbish Removal INC | Springfield | MA | Fabricated Metal Product Manufacturing332111 | — | ◐ LIKELY ACTIVE |
| HSHar-per Sales Solutions INC | West Bridgewater | MA | Fabricated Metal Product Manufacturing332216 | 1-19 | ◐ LIKELY ACTIVE |
| HPHewlett Packard | Waltham | MA | Fabricated Metal Product Manufacturing332211 | — | ◐ LIKELY ACTIVE |
| IEIndustrial Engineering Manufacturing Co, INC | Foxboro | MA | Fabricated Metal Product Manufacturing332322 | 1-19 | ◐ LIKELY ACTIVE |
| JRJ & R Machine, INC. | Ashland | MA | Fabricated Metal Product Manufacturing332710 | 1-19 | ▲ REPORTED CLOSED |
| KIKampersal, INC. | Dedham | MA | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| KMK & M Engineering, INC | Marlborough | MA | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| KIKtron Incorporated | Marlborough | MA | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
| LBLine Bore Industries, INC. | Oxford | MA | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| LILista International INC | Holliston | MA | Fabricated Metal Product Manufacturing332216 | — | ◐ LIKELY ACTIVE |
| LILkm Industries, INC | Woburn | MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| LLLongcap Lamson Products | Westfield | MA | Fabricated Metal Product Manufacturing332211 | 20-99 | ◐ LIKELY ACTIVE |
| LILutco INC | Worcester | MA | Fabricated Metal Product Manufacturing332991 | 20-99 | ◐ LIKELY ACTIVE |
| MMMarposa Manufacturing | Waltham | MA | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| MIMbmmfg, INC | Easthampton | MA | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| MIMicrogroup INC | Medway | MA | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| MMMjm Manufacturing Solutions, INC. | Swansea | MA | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| PIPackage Industries INC | Sutton | MA | Fabricated Metal Product Manufacturing332311 | — | ◐ LIKELY ACTIVE |
Paragon Manufacturing | Westfield | MA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| PEPayne Engineering & Fabrication Co., INC. | Canton | MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| QEQts Engineering, INC. | Bellingham | MA | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| RBRoche Brothers Barrel & Drum CO | Lowell | MA | Fabricated Metal Product Manufacturing332431 | — | ◐ LIKELY ACTIVE |
| RMRolls-royce Marine North America INC. | Walpole | MA | Fabricated Metal Product Manufacturing332710 | 100-499 | ◐ LIKELY ACTIVE |
| RIRyan Iron Works, Inc. | Raynham, | MA | Fabricated Metal Product Manufacturing332323 | 20-99 | ◐ LIKELY ACTIVE |
| SPSimfer Precision Machine CO | Billerica | MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| SISimonds International LLC | Fitchburg | MA | Fabricated Metal Product Manufacturing332216 | — | ◐ LIKELY ACTIVE |
| SSteelfabinc. | Fitchburg | MA | Fabricated Metal Product Manufacturing332116 | 20-99 | ◐ LIKELY ACTIVE |
| TETucker Engineering, INC. | Peabody | MA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| VMVRC Metal Systems, LLC - Webster | Webster | MA | Fabricated Metal Product Manufacturing332812 | 1-19 | ◐ LIKELY ACTIVE |
| WMWaste Management of Woburn | Woburn | MA | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| WGWestfield Gage CO INC | Southwick | MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |