| AMApmar Metal Finishing | Springfield | MA | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| BCBaker Commodities | Billerica | MA | Food Manufacturing311613 | — | ◐ LIKELY ACTIVE |
| BPBarbour Plastics | Brockton | MA | Leather and Allied Product Manufacturing316110 | 20-99 | ◐ LIKELY ACTIVE |
Barbour Stockwell, INC. | Woburn | MA | Computer and Electronic Product Manufacturing334513 | — | ◐ LIKELY ACTIVE |
| BIBarry Industries | Attleboro | MA | Computer and Electronic Product Manufacturing334416 | 20-99 | ◐ LIKELY ACTIVE |
Belt Technologies, INC. | Agawam | MA | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| BCBenevento Companies | Wilmington | MA | Printing and Related Support Activities323121 | — | ◐ LIKELY ACTIVE |
| BOBern Optics INC | Westfield | MA | Machinery Manufacturing333314 | 20-99 | ◐ LIKELY ACTIVE |
Boston Scientific CORP | Marlborough | MA | Miscellaneous Manufacturing339112 | — | ◐ LIKELY ACTIVE |
Bristol-myers Squibb CO | Devens | MA | Chemical Manufacturing325412 | 500+ | ◐ LIKELY ACTIVE |
| CICai INC | Georgetown | MA | Chemical Manufacturing325510 | 20-99 | ◐ LIKELY ACTIVE |
| CECartamundi East Longmeadow LLC | East Longmeadow | MA | Paper Manufacturing322299 | 100-499 | ◐ LIKELY ACTIVE |
| CMCedars Mediterranean Foods | Haverhill | MA | Food Manufacturing311411 | 500+ | ◐ LIKELY ACTIVE |
| CTCenterline Technologies LLC | Hudson | MA | Computer and Electronic Product Manufacturing334413 | 20-99 | ◐ LIKELY ACTIVE |
| CGChas G Allen CO INC | Barre | MA | Primary Metal Manufacturing331511 | 20-99 | ◐ LIKELY ACTIVE |
| CPChicopee Provision Company | Chicopee | MA | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| CPClariant Plastics & Coatings Usa- Holden | Holden | MA | Chemical Manufacturing325991 | — | ◐ LIKELY ACTIVE |
| CCCold Chain Technologies | Franklin | MA | Chemical Manufacturing325211 | 100-499 | ◐ LIKELY ACTIVE |
| CSCommonwealth Soap and Toiletries LLC | Fall River | MA | Chemical Manufacturing325611 | 20-99 | ◐ LIKELY ACTIVE |
| CICpf INC | Ayer | MA | Beverage and Tobacco Product Manufacturing312111 | 100-499 | ◐ LIKELY ACTIVE |
| CRCpi Radant Technologies Division INC | Hudson | MA | Computer and Electronic Product Manufacturing334220 | — | ◐ LIKELY ACTIVE |
| CMCrrc Ma - Springfield | Springfield | MA | Transportation Equipment Manufacturing336510 | 100-499 | ◐ LIKELY ACTIVE |
| CICurtis Industries LLC | West Boylston | MA | Fabricated Metal Product Manufacturing332999 | 100-499 | ◐ LIKELY ACTIVE |
| DEDemakes Enterprises | Lynn | MA | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| DCDennecrepe Corporation | Gardner | MA | Paper Manufacturing322299 | 20-99 | ◐ LIKELY ACTIVE |
| DPDrs Power Technology INC | Fitchburg | MA | Machinery Manufacturing333611 | 100-499 | ◐ LIKELY ACTIVE |
| DPDuc Pac Corporation the | Springfield | MA | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| ESElectropolishing Systems | Plymouth | MA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| EIEntegris INC | Bedford | MA | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| EIEntegris INC | Franklin | MA | Plastics and Rubber Products Manufacturing326113 | 20-99 | ◐ LIKELY ACTIVE |
Epic Enterprises INC | Ayer | MA | Beverage and Tobacco Product Manufacturing312111 | 100-499 | ◐ LIKELY ACTIVE |
| ETExcelitas Technologies | Billerica | MA | Computer and Electronic Product Manufacturing334413 | 100-499 | ◐ LIKELY ACTIVE |
| FIFlexaust INC | Amesbury | MA | Plastics and Rubber Products Manufacturing326220 | 1-19 | ◐ LIKELY ACTIVE |
| FCFlorence Casket CO INC | Florence | MA | Miscellaneous Manufacturing339995 | 20-99 | ◐ LIKELY ACTIVE |
| FMFluid Management Systems, INC. | Billerica | MA | Computer and Electronic Product Manufacturing334516 | — | ◐ LIKELY ACTIVE |
| FPFountain Plating Co, LLC | West Springfield | MA | Fabricated Metal Product Manufacturing332812 | 100-499 | ◐ LIKELY ACTIVE |
| FPFranklin Paint CO | Franklin | MA | Chemical Manufacturing325510 | 1-19 | ◐ LIKELY ACTIVE |
| GCGentex Corporation Norwood | Norwood | MA | Textile Product Mills314999 | 20-99 | ◐ LIKELY ACTIVE |
| GHGladding Hearn Shipbuilding | Somerset | MA | Transportation Equipment Manufacturing336611 | 20-99 | ◐ LIKELY ACTIVE |
| GRGlines & Rhodes INC | Attleboro | MA | Primary Metal Manufacturing331492 | — | ◐ LIKELY ACTIVE |
| GMGold Medal Bakery INC | Fall River | MA | Food Manufacturing311812 | 500+ | ◐ LIKELY ACTIVE |
| GIGrand Image INC | Hudson | MA | Printing and Related Support Activities323111 | 20-99 | ◐ LIKELY ACTIVE |
| GMGtr Manufacturing CO | Brockton | MA | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
Harodite Industries INC | Taunton | MA | Textile Mills313310 | — | ◐ LIKELY ACTIVE |
| HBHarvey Building Products | North Dartmouth | MA | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| HCHeatbath CORP | Indian Orchard | MA | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
| HLHigh Liner Foods - Closed | Danvers | MA | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| HVHollingsworth & Vose | Groton | MA | Paper Manufacturing322120 | — | ◐ LIKELY ACTIVE |
| HCHoughton Chemical Distribution and Manufacturing | Boston | MA | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
| HCHudson Color Concentrates | Leominster | MA | Food Manufacturing311942 | — | ◐ LIKELY ACTIVE |