| ESEvergreen Solar | Ayer, MA | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| FAFulcrum Acoustic LLC | Whitinsville, MA | Computer and Electronic Product Manufacturing334310 | 20–99 | ◐ LIKELY ACTIVE |
| GFGarlock Flexibles Converting | Gardner, MA | Printing and Related Support Activities323111 | 20–99 | ◐ LIKELY ACTIVE |
| GCGeorgiapacific Consumer Operations LLC | Leominster, MA | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| IEInteplast Engineered Films - Westborough | Westborough, MA | Plastics and Rubber Products Manufacturing326111 | 20–99 | ◐ LIKELY ACTIVE |
 IPG Photonics - Oxford | Oxford, MA | Computer and Electronic Product Manufacturing334413 | 500+ | ◐ LIKELY ACTIVE |
| JAJ and J Junk Car Removal | North Grafton, MA | Transportation Equipment Manufacturing336110 | — | ◐ LIKELY ACTIVE |
| JGJ & G Foods INC | Sutton, MA | Food Manufacturing311611 | — | ◐ LIKELY ACTIVE |
| LILutco INC | Worcester, MA | Fabricated Metal Product Manufacturing332991 | 20–99 | ◐ LIKELY ACTIVE |
| MBMassachusetts Broken Stone Company | Berlin, MA | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| MWMercury Wire Products | Spencer, MA | Electrical Equipment, Appliance & Component Manufacturing335929 | 100–499 | ◐ LIKELY ACTIVE |
| MMohawk | Leominster, MA | Primary Metal Manufacturing331422 | 100–499 | ◐ LIKELY ACTIVE |
| NMNew Method Plating Co., INC. | Worcester, MA | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| NMNoremac Mfg CORP | Westborough, MA | Machinery Manufacturing333298 | — | ◐ LIKELY ACTIVE |
| PSPacKage Steel Systems, Inc | Sutton, MA | Fabricated Metal Product Manufacturing332311 | 20–99 | ◐ LIKELY ACTIVE |
| PTPrimetals Technologies Sutton | Sutton, MA | Machinery Manufacturing333519 | 100–499 | ◐ LIKELY ACTIVE |
| PCProcess Cooling Systems INC | Leominster, MA | Machinery Manufacturing333415 | 20–99 | ◐ LIKELY ACTIVE |
| RBRand-Whitney Boylston | Boylston, MA | Paper Manufacturing322211 | 20–99 | ◐ LIKELY ACTIVE |
| RLRoofblok Limited | Gardner, MA | Nonmetallic Mineral Product Manufacturing327331 | — | ◐ LIKELY ACTIVE |
| SFSaloom Furniture | Winchendon, MA | Furniture and Related Product Manufacturing337122 | — | ◐ LIKELY ACTIVE |
| SISimonds International LLC | Fitchburg, MA | Fabricated Metal Product Manufacturing332216 | — | ◐ LIKELY ACTIVE |
| SISjogren Industries | Worcester, MA | Machinery Manufacturing333514 | 1–19 | ◐ LIKELY ACTIVE |
| SRSouthbridge Recycling & Disposal Park | Southbridge, MA | Wood Product Manufacturing321999 | — | ◐ LIKELY ACTIVE |
| SPSpecialized Paper Converting | Gardner, MA | Paper Manufacturing322299 | 20–99 | ◐ LIKELY ACTIVE |
| SWSpicy Water Distillery | Millbury, MA | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| SCStandard Chair of Gardner | Gardner, MA | Furniture and Related Product Manufacturing337121 | 20–99 | ◐ LIKELY ACTIVE |
| SSteelfabinc. | Fitchburg, MA | Fabricated Metal Product Manufacturing332116 | 20–99 | ◐ LIKELY ACTIVE |
| SPSti Precast | Leominster, MA | Nonmetallic Mineral Product Manufacturing327390 | — | ◐ LIKELY ACTIVE |
| SJSt Josephs Abbey | Spencer, MA | Food Manufacturing311421 | — | ◐ LIKELY ACTIVE |
| THTree House Distillery | Charlton, MA | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| ULUnited Leominster | Leominster, MA | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| UPUS Pack | Leominster, MA | Chemical Manufacturing325998 | 20–99 | ◐ LIKELY ACTIVE |
| VLVeranova LP | Fort Devens, MA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| VMVRC Metal Systems, LLC - Webster | Webster, MA | Fabricated Metal Product Manufacturing332812 | 1–19 | ◐ LIKELY ACTIVE |
| WBWachusett Brewing Company | Westminster, MA | Beverage and Tobacco Product Manufacturing312120 | — | ◐ LIKELY ACTIVE |
| WLWright Line LLC | Worcester, MA | Furniture and Related Product Manufacturing337127 | — | ◐ LIKELY ACTIVE |
| WIW&r Investments Dba Laser Engineering | Milford, MA | Miscellaneous Manufacturing339112 | — | ◐ LIKELY ACTIVE |
| ATA&m Tool & Die CO | Southbridge, MA | Machinery Manufacturing333514 | — | ◐ LIKELY ACTIVE |
| CPCarlstrom Pressed Metal Co, INC. | Westborough, MA | Fabricated Metal Product Manufacturing332116 | — | ◐ LIKELY ACTIVE |
| CMCesyl Mills | Millbury, MA | Textile Mills313210 | — | ◐ LIKELY ACTIVE |
| CWChilmark Woodworking | Worcester, MA | Furniture and Related Product Manufacturing337212 | — | ◐ LIKELY ACTIVE |
| CBConcrete Block Insulating Systems | West Brookfield, MA | Plastics and Rubber Products Manufacturing326140 | — | ◐ LIKELY ACTIVE |
| FTFosta Tek Optics | Leominster, MA | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| GIG&f Industries | Sturbridge, MA | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| LCLeaktite Corporation | Leominster, MA | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| LILutco INC | Worcester, MA | Fabricated Metal Product Manufacturing332116 | — | ◐ LIKELY ACTIVE |
| NANewark America | Fitchburg, MA | Paper Manufacturing322130 | — | ◐ LIKELY ACTIVE |
| NENew England Wooden Ware | Gardner, MA | Paper Manufacturing322211 | — | ◐ LIKELY ACTIVE |
| PAPrematech Advanced Ceramics | Worcester, MA | Nonmetallic Mineral Product Manufacturing327999 | — | ◐ LIKELY ACTIVE |
| SAStrategic Asphalt INC | Uxbridge, MA | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
