| QMQuinsig Machine Co. | Shrewsbury | MA | Fabricated Metal Product Manufacturing332710 | 1-19 | ◇ UNVERIFIED |
| RRRaredon Resources INC | Florence | MA | Fabricated Metal Product Manufacturing332323 | 1-19 | ◇ UNVERIFIED |
| RRRaredon Resources Incorporated | Northampton | MA | Fabricated Metal Product Manufacturing332323 | 1-19 | ◇ UNVERIFIED |
| RMR. Murphy Company, INC. | Ayer | MA | Fabricated Metal Product Manufacturing332211 | — | ◇ UNVERIFIED |
| RJRobert J. Moran, INC. | Littleton | MA | Fabricated Metal Product Manufacturing332710 | 1-19 | ◇ UNVERIFIED |
| RMRoberts Machine | Beverly | MA | Fabricated Metal Product Manufacturing332999 | 1-19 | ◇ UNVERIFIED |
| SBSantini Brothers Iron Works, INC. | Medford | MA | Fabricated Metal Product Manufacturing332323 | 1-19 | ◇ UNVERIFIED |
| SCSeven Cycles INC. | Watertown | MA | Fabricated Metal Product Manufacturing332999 | 20-99 | ◇ UNVERIFIED |
| SESisson Engineering CORP | Orange | MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| SMSoutheastern Metal Fabricator | Rockland | MA | Fabricated Metal Product Manufacturing332323 | 20-99 | ◇ UNVERIFIED |
| SMSpringdale Machine & Gear, Inc. | Holyoke | MA | Fabricated Metal Product Manufacturing332710 | 1-19 | ◇ UNVERIFIED |
| SHSpring Hill Machine Company, Inc. | Haverhill | MA | Fabricated Metal Product Manufacturing332710 | 1-19 | ◇ UNVERIFIED |
| SSStafford Specialty Wire Company | Worcester | MA | Fabricated Metal Product Manufacturing332618 | 1-19 | ◇ UNVERIFIED |
| TETeltron Engineering INC | Foxborough | MA | Fabricated Metal Product Manufacturing332313 | 1-19 | ◇ UNVERIFIED |
| TDThe Duc-pac CORP | East Longmeadow | MA | Fabricated Metal Product Manufacturing332322 | 20-99 | ◇ UNVERIFIED |
| TITodrin Industries, INC. | Lakeville | MA | Fabricated Metal Product Manufacturing332322 | 1-19 | ◇ UNVERIFIED |
| TTTool Technology Inc. | Middleton (town of) | MA | Fabricated Metal Product Manufacturing332710 | 1-19 | ◇ UNVERIFIED |
| UTUnited Tool & Machine Corpora | Wilmington | MA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◇ UNVERIFIED |
| VVVent-rite Valve Corporation | Randolph | MA | Fabricated Metal Product Manufacturing332420 | 20-99 | ◇ UNVERIFIED |
| VFVillage Forge Inc | Hyde Park | MA | Fabricated Metal Product Manufacturing332312 | 20-99 | ◇ UNVERIFIED |
| WCWelding Craftsmen | South Easton | MA | Fabricated Metal Product Manufacturing332312 | 1-19 | ◇ UNVERIFIED |
| WCWorcester County Welding CORP. | Rochdale | MA | Fabricated Metal Product Manufacturing332312 | 20-99 | ◇ UNVERIFIED |
| WIWovensteel Inc. | East Boston | MA | Fabricated Metal Product Manufacturing332323 | 1-19 | ◇ UNVERIFIED |
| ZCZmetra Clear Span Structures | Webster | MA | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| 1H1415 Hyde Park Avenue LLC | Boston, City of | MA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| 2B200 Bartlett St Property | Northborough | MA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| 5O50 Old Tyng LLC | Tyngsboro | MA | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| AWAb & W Incorporated | Boston | MA | Fabricated Metal Product Manufacturing332510 | — | ◇ UNVERIFIED |
| AIAccurounds Incorporated | Avon | MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| AIAchilles Iron & Steel | Ayer | MA | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| APAction Precision Machining | Leominster | MA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| AEAdvanced Engineering Corporation | Danvers | MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| AMA.f. Murphy Die and Machine | Quincy | MA | Fabricated Metal Product Manufacturing332119 | — | ◇ UNVERIFIED |
| AGA & G Manufacturing Co., INC. | Lynn | MA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| ADAir Distribution Corporation | Canton | MA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| AIAllpage INC | New Bedford | MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| AMAllston Metalcraft CO. | Bellingham | MA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| APAlmeida Precision Machining Inc. | Walpole | MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| AAAmerican Architectural Iron | Boston | MA | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| AMAmerican Metalcraft Co, INC | East Weymouth | MA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| ASAmerican Superconductor | Devens | MA | Fabricated Metal Product Manufacturing332112 | — | ◇ UNVERIFIED |
| AMAmherst Machine CO. | North Amherst | MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| ASAnvil Steel Engineering Inc. | Taunton | MA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| ASAplus Screw Machine Products LLC | Bedford | MA | Fabricated Metal Product Manufacturing332722 | — | ◇ UNVERIFIED |
| AMA.p. Machine Company, INC | Templeton | MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
 Arc Technologies LLC | Amesbury | MA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| AEAriston Engraving & Machine Co, INC. | Woburn | MA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| ALArmset LLC | Middleton | MA | Fabricated Metal Product Manufacturing332216 | — | ◇ UNVERIFIED |
| APAtlantic Precision Sheet Metal LLC | Clinton | MA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| BAB and B Machining | Hubbardston | MA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
