| LLLitron, LLC | Agawam | MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| LELittle Enterprises, LLC | Ipswich | MA | Fabricated Metal Product Manufacturing332710 | — | ◐ 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 |
| LTLudlow Tool INC | Agawam | MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| LILutco INC | Worcester | MA | Fabricated Metal Product Manufacturing332991 | 20-99 | ◐ LIKELY ACTIVE |
| MIMicrogroup INC | Medway | MA | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| MVMill Valley Splicing, INC. | Belchertown | MA | Fabricated Metal Product Manufacturing332618 | — | ◐ LIKELY ACTIVE |
| MMohawk | Leominster | MA | Primary Metal Manufacturing331422 | 100-499 | ◐ LIKELY ACTIVE |
| MCMueller Corporation | E Bridgewater | MA | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| NPNevron Plastics, INC. | Saugus | MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| NENew England Electropolishing CO INC | Fall River | MA | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| NMNew Method Plating Co., INC. | Worcester | MA | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| PIPackage Industries INC | Sutton | MA | Fabricated Metal Product Manufacturing332311 | — | ◐ LIKELY ACTIVE |
| PSPacKage Steel Systems, Inc | Sutton | MA | Fabricated Metal Product Manufacturing332311 | 20-99 | ◐ LIKELY ACTIVE |
Paragon Manufacturing | Westfield | MA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| PCPatriot Coating, INC | Hudson | MA | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| PEPayne Engineering & Fabrication Co., INC. | Canton | MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| PMPoly Metal Finishing INC | Springfield | MA | Fabricated Metal Product Manufacturing332813 | — | ◐ 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 |
| RRR. R. Leduc CORP. | Holyoke | MA | Fabricated Metal Product Manufacturing332322 | — | ◐ LIKELY ACTIVE |
| SESamtan Engineering, LLC | Malden | MA | Fabricated Metal Product Manufacturing332111 | — | ◐ LIKELY ACTIVE |
| SMSeekonk Manufacturing Company, INC. | Seekonk | MA | Fabricated Metal Product Manufacturing332216 | — | ◐ LIKELY ACTIVE |
Sharon Vacuum CO INC | Brockton | MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| SMShawmut Metal Products INC | Swansea | MA | Primary Metal Manufacturing331111 | 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 |
| TITrivak Incorporated | Lowell | MA | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| TPTrue Precision Industries, INC. | West Springfield | MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| UEUltra Electronics Ocean Systems INC. | Braintree | MA | Fabricated Metal Product Manufacturing332323 | — | ◐ 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 |
| WTWhitman Tool & Die | Whitman | MA | Fabricated Metal Product Manufacturing332116 | 20-99 | ◐ LIKELY ACTIVE |
| AMAbsolute Metal Finishing INC | Norwood | MA | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| DVDeerfield Valley Refab INC | Deerfield | MA | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| DNDienes & Neuenkamp INC | Spencer | MA | Fabricated Metal Product Manufacturing332215 | — | ◐ LIKELY ACTIVE |
| GDGeneral Dynamics Advanced Information Systems | Pittsfield | MA | Fabricated Metal Product Manufacturing332994 | — | ◐ LIKELY ACTIVE |
| HFHampden Fence Supply | Agawam | MA | Fabricated Metal Product Manufacturing332116 | — | ◐ LIKELY ACTIVE |
| L3L 3 Maritime Systems | Newburyport | MA | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| MTMass Tank & Engineering | Middleborough | MA | Fabricated Metal Product Manufacturing332439 | — | ◐ LIKELY ACTIVE |
| PFPrecision Fabricators LTD. LLC | Stoughton | MA | Fabricated Metal Product Manufacturing332431 | — | ◐ LIKELY ACTIVE |
| SASenior Aerospace Metal Bellows | Sharon, Town of | MA | Fabricated Metal Product Manufacturing332510 | — | ◐ LIKELY ACTIVE |
| TIT&t Industrial Spray Coating | Lowell | MA | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| APAdams Pakkawood/xidex Area | Holyoke | MA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| ASAerospace Support | Agawam | MA | Fabricated Metal Product Manufacturing332212 | — | ◇ UNVERIFIED |
| ACAfc Cable Systems | New Bedford | MA | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| AIAgm Industries Incorporated | Canton | MA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |