| UBUltra - Bower Rd Extension | Quincy | MA | Computer and Electronic Product Manufacturing334511 | 1-19 | ◐ LIKELY ACTIVE |
| UPUltra PRO International, LLC. (MA) | North Adams | MA | Miscellaneous Manufacturing339999 | 1-19 | ◐ LIKELY ACTIVE |
| UTUS Tool Group- GE Lynn | Lynn | MA | Machinery Manufacturing333517 | 1-19 | ◐ LIKELY ACTIVE |
| VSVB Spine Waltham | Waltham | MA | Miscellaneous Manufacturing339113 | 1-19 | ◐ LIKELY ACTIVE |
| VVerrillon | North Grafton | MA | Nonmetallic Mineral Product Manufacturing327212 | 1-19 | ◐ LIKELY ACTIVE |
| WWestborough | Westborough | MA | Computer and Electronic Product Manufacturing334290 | 1-19 | ◐ LIKELY ACTIVE |
| WPWestfield Plant | Westfield | MA | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| WWoburn | Woburn | MA | Miscellaneous Manufacturing339113 | 1-19 | ◐ LIKELY ACTIVE |
| 1B1 Beyond, Inc. | Charlestown | MA | Computer and Electronic Product Manufacturing334310 | 1-19 | ◇ UNVERIFIED |
| AGAA Global Printing Inc. | Newton Center | MA | Printing and Related Support Activities323111 | 1-19 | ◇ UNVERIFIED |
| AMA&b Metal Fabricators, INC. | Lakeville | MA | Fabricated Metal Product Manufacturing332312 | 1-19 | ◇ UNVERIFIED |
| AIAccrx INC | Newton | MA | Chemical Manufacturing325411 | 1-19 | ◇ UNVERIFIED |
| ADA & D Metal, INC. | Westfield | MA | Fabricated Metal Product Manufacturing332322 | 1-19 | ◇ UNVERIFIED |
| AFAdvanced Frp Systems INC | Weymouth | MA | Chemical Manufacturing325510 | 1-19 | ◇ UNVERIFIED |
| ADAlbie D's 2nd Generation Itialian Bakery | Haverhill | MA | Food Manufacturing311812 | 1-19 | ◇ UNVERIFIED |
| AIALG Industries, LLC | Southborough | MA | Food Manufacturing311811 | 1-19 | ◇ UNVERIFIED |
| ASAll-city Screen Printing, INC. | Wakefield | MA | Printing and Related Support Activities323113 | 1-19 | ◇ UNVERIFIED |
| AGAll Granite & Marble, INC. | Charlton | MA | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◇ UNVERIFIED |
| AMAll Metal Fabricators, INC. | Acton | MA | Fabricated Metal Product Manufacturing332410 | 1-19 | ◇ UNVERIFIED |
| AFAlloy Fabricators of New England Incorporated | Randolph | MA | Fabricated Metal Product Manufacturing332999 | 1-19 | ◇ UNVERIFIED |
| ABAltruist Brewing Company LLC | Fiskdale | MA | Beverage and Tobacco Product Manufacturing312120 | 1-19 | ◇ UNVERIFIED |
| ACAlviti Creations | North Attleborough | MA | Fabricated Metal Product Manufacturing332999 | 1-19 | ◇ UNVERIFIED |
| AOAmanda Oakleaf Cakes LLC | Boston | MA | Food Manufacturing311811 | 1-19 | ◇ UNVERIFIED |
| ACAmerican Classic Enterprises Inc. | Montague | MA | Furniture and Related Product Manufacturing337212 | 1-19 | ◇ UNVERIFIED |
| AEAmerican Electroplating Company | Lawrence | MA | Fabricated Metal Product Manufacturing332813 | 1-19 | ◇ UNVERIFIED |
| APAms Precision Machining INC | Brockton | MA | Fabricated Metal Product Manufacturing332710 | 1-19 | ◇ UNVERIFIED |
| AAAndover Audio, LLC | North Andover | MA | Computer and Electronic Product Manufacturing334310 | 1-19 | ◇ UNVERIFIED |
| ACArgos Corporation | Taunton | MA | Plastics and Rubber Products Manufacturing326121 | 1-19 | ◇ UNVERIFIED |
| ALArradiance LLC | Littleton | MA | Machinery Manufacturing333242 | 1-19 | ◇ UNVERIFIED |
| ADAtlas Devices LLC | Boston | MA | Fabricated Metal Product Manufacturing332999 | 1-19 | ◇ UNVERIFIED |
| BOBACK Of The House Inc. | Worcester | MA | Food Manufacturing311811 | 1-19 | ◇ UNVERIFIED |
| BWBaranowski Woodworking Corporation | East Bridgewater | MA | Wood Product Manufacturing321999 | 1-19 | ◇ UNVERIFIED |
| BCBarrett Custom Cabinetry INC | Mattapoisett | MA | Furniture and Related Product Manufacturing337212 | 1-19 | ◇ UNVERIFIED |
| BSBay State Apparel, Inc. | Leominster | MA | Printing and Related Support Activities323111 | 1-19 | ◇ UNVERIFIED |
| BSBay State Plating INC | Holyoke | MA | Fabricated Metal Product Manufacturing332813 | 1-19 | ◇ UNVERIFIED |
| BMBenjamin Martin Corporation | Dedham | MA | Wood Product Manufacturing321999 | 1-19 | ◇ UNVERIFIED |
| BPBeNT Productions, Inc. | Clinton | MA | Miscellaneous Manufacturing339999 | 1-19 | ◇ UNVERIFIED |
| BMBerkshire Mountain Distillers, Inc. | Sheffield | MA | Beverage and Tobacco Product Manufacturing312140 | 1-19 | ◇ UNVERIFIED |
| BPBeverly Pallet CO. INC. | Ipswich | MA | Wood Product Manufacturing321920 | 1-19 | ◇ UNVERIFIED |
| BHBlack Hat Brew Works | Bridgewater | MA | Beverage and Tobacco Product Manufacturing312120 | 1-19 | ◇ UNVERIFIED |
| BPBond Printing Company Inc | Hanover | MA | Printing and Related Support Activities323111 | 1-19 | ◇ UNVERIFIED |
| BBBoston Bluestone D/b/a Freeport Marble & Granite | Stoughton | MA | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◇ UNVERIFIED |
| BSBoston Sash & Millwork, INC. | N Dighton | MA | Wood Product Manufacturing321911 | 1-19 | ◇ UNVERIFIED |
| BUBottoms Up LLC | Provincetown | MA | Beverage and Tobacco Product Manufacturing312120 | 1-19 | ◇ UNVERIFIED |
| BSBowmar Steel Industries Inc. | Hanson | MA | Fabricated Metal Product Manufacturing332312 | 1-19 | ◇ UNVERIFIED |
| BMBoynton Machine Company INC | Waltham | MA | Machinery Manufacturing333318 | 1-19 | ◇ UNVERIFIED |
| BCBrilla Coffee LLC | Rutland | MA | Food Manufacturing311920 | 1-19 | ◇ UNVERIFIED |
| BEBroken Edge Deburring, INC. | West Springfield | MA | Fabricated Metal Product Manufacturing332111 | 1-19 | ◇ UNVERIFIED |
| CWCaliper Woodworking | Malden | MA | Wood Product Manufacturing321918 | 1-19 | ◇ UNVERIFIED |
| CCCamio Custom Cabinetry, Inc. | Canton | MA | Furniture and Related Product Manufacturing337110 | 1-19 | ◇ UNVERIFIED |