| RMRugg Manufacturing Company | Greenfield | MA | Fabricated Metal Product Manufacturing332212 | — | ◇ UNVERIFIED |
| SESaeilo Enterprises | Worcester, City of | MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| SESchneider Electric | Foxboro | MA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| SEServolift Eastern Corporation | Boston | MA | Fabricated Metal Product Manufacturing332116 | — | ◇ UNVERIFIED |
| SMSmart Metals | Lawrence | MA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| SMSmtc Manufacturing CORP of Massachusetts | Franklin | MA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| SASousa and Demayo INC | North Attleboro | MA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SMSpecialty Manufacturing | Amesbury | MA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SPStandard Plating Incorporated | West Springfield | MA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| SIStanley-parker INC Stanley Tools Worcester Plant | Worcester | MA | Fabricated Metal Product Manufacturing332116 | — | ◇ UNVERIFIED |
| SMStd Mfg | Stoughton | MA | Fabricated Metal Product Manufacturing332116 | — | ◇ UNVERIFIED |
| SMStevken Manufacturing | Billerica | MA | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| SFStillwater Fasteners | Freetown, Town of | MA | Fabricated Metal Product Manufacturing332722 | — | ◇ UNVERIFIED |
| SPSuperior Process Company | Framingham | MA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| SISymmons Industrial INC | Braintree | MA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| TMTdf Metal Finishing Company INC | Lynn | MA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| TNTyrolit North America Incorporated | Westborough, Town of | MA | Fabricated Metal Product Manufacturing332994 | — | ◇ UNVERIFIED |
| VMVaughn Manufacturing Corporation | Salisbury | MA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| VDVelvet Drive Transmissions | New Bedford | MA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| VFVillage Forge INC | Boston | MA | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
| WAWalton and Lonsbury Site | Attleboro | MA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| WIWastequip INC | Georgetown | MA | Fabricated Metal Product Manufacturing332911 | — | ◇ UNVERIFIED |
| WGWestfield Grinding Wheel | Westfield | MA | Nonmetallic Mineral Product Manufacturing327910 | — | ◇ UNVERIFIED |
| WAWestford Anodizing Corporation | Westford | MA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| WHWireway Husky CORP | Sterling | MA | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| WSWoburn Steel Drum | Woburn | MA | Fabricated Metal Product Manufacturing332439 | — | ◇ UNVERIFIED |
| WTWorcester Tool & Stamping CO | Leicester | MA | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
| 1W18 - Webstone | Worcester | MA | Fabricated Metal Product Manufacturing332911 | 20-99 | ◐ LIKELY ACTIVE |
| 9G908 Georgetown | Georgetown | MA | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| ALAccu-spec LLC | Danvers | MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| AMA.f. Murphy Die & Machine Co., INC. | Quincy | MA | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| APAir Purchases - Anchor Stone Hvac Duct Fabrication INC. | Burlington | MA | Fabricated Metal Product Manufacturing332322 | — | ◐ LIKELY ACTIVE |
| ALAlfa Laval Inc. Newburyport (loc code: MANEWB) | Newburyport | MA | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| AIArtisan Industries Inc. | Stoughton | MA | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| BCBOSMP Contech Engineered Solutions LLC | Palmer | MA | Fabricated Metal Product Manufacturing332322 | 1-19 | ◐ LIKELY ACTIVE |
| CCCape Cod Iron CORP. | Wareham | MA | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| CMCw Machine INC | Fall River | MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| DLDelight, LLC | Springfield | MA | Fabricated Metal Product Manufacturing332722 | — | ◐ LIKELY ACTIVE |
| DFDoncasters Forgings of Springfield | Springfield | MA | Fabricated Metal Product Manufacturing332112 | 20-99 | ◐ LIKELY ACTIVE |
| DFD&t Fasteners INC. | Worcester | MA | Fabricated Metal Product Manufacturing332510 | — | ◐ LIKELY ACTIVE |
| ETEthosEnergy TC, Inc. | Chicopee | MA | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| FUFairview USA, Inc. MA | Woburn | MA | Fabricated Metal Product Manufacturing332912 | 1-19 | ◐ LIKELY ACTIVE |
| FMFlc Machined Products CO. INC. | Rowley | MA | Fabricated Metal Product Manufacturing332710 | — | ▲ REPORTED CLOSED |
| GGeorgetown | Georgetown | MA | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| GHG & H Manufacturing, INC. | Westfield | MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| GAGi Association LLC | Mattapan | MA | Fabricated Metal Product Manufacturing332722 | — | ◐ LIKELY ACTIVE |
| GSGlobal Scaffold Construction Services INC | Hanover | MA | Fabricated Metal Product Manufacturing332323 | — | ◐ LIKELY ACTIVE |
| GSGrassetti Sales Associates, INC. | Springfield | MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| GPGTR Protoplus | Taunton | MA | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| HGHub Grinding, INC. | Walpole | MA | Fabricated Metal Product Manufacturing332215 | — | ◐ LIKELY ACTIVE |