| PIPortal, Inc. | Avon | MA | Fabricated Metal Product Manufacturing332321 | 20-99 | ◐ LIKELY ACTIVE |
| RBRandolph & Baldwin, INC. | Ayer | MA | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| RIRaytheon Integrated Defense Systems | Andover | MA | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| SUSwissturn USA INC | Oxford | MA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| SISymmons Industries | Braintree | MA | Fabricated Metal Product Manufacturing332913 | 100-499 | ◐ LIKELY ACTIVE |
Textron Systems Corporation | Wilmington | MA | Fabricated Metal Product Manufacturing332993 | 100-499 | ▲ REPORTED CLOSED |
| TSTextron Systems Corporation | Wilmington | MA | Fabricated Metal Product Manufacturing332993 | 100-499 | ◐ LIKELY ACTIVE |
| UEUltra Electronics Ocean Systems INC. | Braintree | MA | Fabricated Metal Product Manufacturing332323 | 500+ | ◐ LIKELY ACTIVE |
| VAVision American Saw LLC | East Longmeadow | MA | Fabricated Metal Product Manufacturing332213 | — | ◐ LIKELY ACTIVE |
Vulcanforms INC | Devens | MA | Fabricated Metal Product Manufacturing332117 | 100-499 | ◐ LIKELY ACTIVE |
Westfield Electroplating CO | Westfield | MA | Fabricated Metal Product Manufacturing332813 | 100-499 | ◐ LIKELY ACTIVE |
| WFWestside Finishing CO INC | Holyoke | MA | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| AAAdvanced Aerostructures INC | Chicopee | MA | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| ADAmerican Durafilm Co., INC. | Holliston | MA | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| CDCarpe Diem Technologies INC | Franklin | MA | Chemical Manufacturing325520 | 20-99 | ◐ LIKELY ACTIVE |
| CECleanpart East | Southbridge | MA | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| DGDuncan Group the | Everett, City of | MA | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| ESElectroswitch Switches & Relays | Rockland | MA | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| GMGeneral Metal Finishing | Attleboro | MA | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| L3L 3 Maritime Systems | Newburyport | MA | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| LILytron INC | Woburn | MA | Fabricated Metal Product Manufacturing332410 | — | ◐ LIKELY ACTIVE |
| MAMetso Automation USA INC | Shrewsbury, Town of | MA | Fabricated Metal Product Manufacturing332911 | — | ◐ LIKELY ACTIVE |
| OIOmg INC | Agawam | MA | Fabricated Metal Product Manufacturing332722 | — | ◐ LIKELY ACTIVE |
| PPParadigm Precision | Malden | MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| PMParadis Metalworks LLC | Attleboro Falls | MA | Fabricated Metal Product Manufacturing332312 | 1-19 | ◐ LIKELY ACTIVE |
| PMPhilipp Mfg CO INC | Easthampton | MA | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| PCPortance CORP. | Fitchburg | MA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| SCSajawi Corporation | Littleton | MA | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| SCSelkirk CORP Heat-fab | Turners Falls | MA | Primary Metal Manufacturing331111 | — | ◐ LIKELY ACTIVE |
| SASenior Aerospace Metal Bellows | Sharon, Town of | MA | Fabricated Metal Product Manufacturing332510 | — | ◐ LIKELY ACTIVE |
| SSSouth Shore Manufacturing. INC. | Hanson | MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| SIStandex International Spincraft Division | Billerica | MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| SPStar Plating | New Bedford | MA | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| SFStorms Forge Incorporated | Springfield, City of | MA | Fabricated Metal Product Manufacturing332111 | — | ◐ LIKELY ACTIVE |
| TITaco INC | Fall River | MA | Fabricated Metal Product Manufacturing332410 | — | ◐ LIKELY ACTIVE |
| TTurbocare | Chicopee | MA | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| UTUS Tsubaki Automotive Division Manufacturing Plant | Chicopee | MA | Fabricated Metal Product Manufacturing332111 | — | ◐ LIKELY ACTIVE |
| UTU.s. Tsubaki Power Transmission LLC - Roller Chain Division | Holyoke | MA | Fabricated Metal Product Manufacturing332618 | — | ◐ LIKELY ACTIVE |
| AFAnjen Finishing INC | Marlborough | MA | Fabricated Metal Product Manufacturing332812 | 1-19 | ◇ UNVERIFIED |
| NINovotech INC | Acton | MA | Fabricated Metal Product Manufacturing332999 | 1-19 | ◇ UNVERIFIED |
| SSSouth Shore Plating Company Incorporated | Quincy | MA | Fabricated Metal Product Manufacturing332312 | 1-19 | ◇ UNVERIFIED |
| SMSweet Metal Finishing | Attleboro | MA | Fabricated Metal Product Manufacturing332813 | 20-99 | ◇ UNVERIFIED |
| ASA1A Steel LLC | East Falmouth | MA | Fabricated Metal Product Manufacturing332312 | 1-19 | ◐ LIKELY ACTIVE |
| AEAssociated Electro Mechanics INC | Springfield | MA | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| ACAtlantis Corporation East | Adams | MA | Fabricated Metal Product Manufacturing332323 | 20-99 | ◐ LIKELY ACTIVE |
Atome Incorporated | Ipswich | MA | Fabricated Metal Product Manufacturing332117 | — | ◐ LIKELY ACTIVE |
| AAxenics | Tyngsboro | MA | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| ACAxis Cnc Incorporated | Ware | MA | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| CMCotter Machine Co., INC. | West Wareham | MA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| GSGeneral Sheetmetal Company, Inc. | Auburn | MA | Fabricated Metal Product Manufacturing332322 | 1-19 | ◐ LIKELY ACTIVE |