| SPSeaman Paper Mill | Templeton (baldwinville), MA | Paper Manufacturing322120 | — | ◐ LIKELY ACTIVE |
| ACAdvance Coatings Company | Westminster, MA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| AMAllied Machined Products CORP | Auburn, MA | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| APAurora Plastics Ma - Suite 100 | Lunenburg, MA | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| BMBenjamin Moore Paint | Milford, MA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| BOBestway of New England | South Lancaster, MA | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
| CECleanpart East | Southbridge, MA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| EHE H Perkins Construction (pandolf Perkins) | Sterling, MA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| GOGe Osmonics | Westborough, MA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| HTHolden Trap Rock CO | Holden, MA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| LCLewcott Corporation | Millbury, MA | Textile Mills313320 | — | ◇ UNVERIFIED |
| MAMetso Automation USA INC | Shrewsbury, Town of, MA | Fabricated Metal Product Manufacturing332911 | — | ◇ UNVERIFIED |
| MSMexichem Specialty Compounds INC | Leominster, MA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| NPNe Peptide LLC Aka Vivitide | Gardner, MA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| NNoveon | Leominster, MA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| OROldcastle Retail INC | Oxford, MA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| OSOmnova Solutions INC | Fitchburg, City of, MA | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| PUPhotonis USA INC | Sturbridge, MA | Machinery Manufacturing333310 | — | ◇ UNVERIFIED |
| QRQuabaug Rubber CO | North Brookfield, MA | Leather and Allied Product Manufacturing316210 | — | ◇ UNVERIFIED |
| SGSt Gobain Performance Plastics | Worcester, MA | Paper Manufacturing322220 | — | ◇ UNVERIFIED |
| TATeknor Apex Thermoplastic | Leominster, MA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| UCUnited County Ind Dba County Heat Treat | Millbury, MA | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
Ats Cases, INC. | Northborough, MA | Wood Product Manufacturing321920 | — | ◐ LIKELY ACTIVE |
| CBColonial Brass Company | Spencer, MA | Miscellaneous Manufacturing339950 | — | ◐ LIKELY ACTIVE |
Hybrid Cnc Parts, LLC | Worcester, MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
Ice Glen Holdings, INC. | Auburn, MA | Transportation Equipment Manufacturing336390 | — | ◐ LIKELY ACTIVE |
| NPNine Points Woodworking & Mfg., INC. | Worcester, MA | Furniture and Related Product Manufacturing337212 | — | ◐ LIKELY ACTIVE |
Northeast Marine Industries INC | Oxford, MA | Transportation Equipment Manufacturing336612 | — | ◐ LIKELY ACTIVE |
Unified2 Global Packaging Group LLC | Sutton, MA | Paper Manufacturing322211 | — | ◐ LIKELY ACTIVE |
| ACAbcrosby & Company INC | Ashburnham, MA | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
| WWoodmeister | Worcester, MA | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
| AFAdams Farm Slaughterhouse, LLC | Athol, MA | Food Manufacturing311611 | — | ◐ LIKELY ACTIVE |
| AOAdaptive Optics Associates, INC. | Devens, MA | Machinery Manufacturing333310 | — | ◐ LIKELY ACTIVE |
| AJAdolph Jandris & Sons INC | Gardner, MA | Nonmetallic Mineral Product Manufacturing327331 | 20–99 | ◐ LIKELY ACTIVE |
| AIAggregate Industries Asphalt | Shrewsbury, MA | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| AIAmcor INC | Sterling, MA | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| ATArland Tool & Mfg., INC. | Sturbridge, MA | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| AEAscend Elements, INC. | Westborough, MA | Chemical Manufacturing325180 | — | ◐ LIKELY ACTIVE |
| BMBanner Mold and Die CO INC | Leominster, MA | Machinery Manufacturing333511 | 20–99 | ◐ LIKELY ACTIVE |
| BFBayscience Formulators, LLC | Dudley, MA | Chemical Manufacturing325611 | 20–99 | ◐ LIKELY ACTIVE |
| BMBeacon Medtech Solutions Jytek | Leominster, MA | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| BMBeacon Medtech Solutions Ma LLC | Leominster, MA | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| BPBiomedical Polymers INC | Sterling, MA | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| BBostomatic | Milford, MA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| BBBrady Built INC | Auburn, MA | Wood Product Manufacturing321911 | 20–99 | ◐ LIKELY ACTIVE |
| CMCogentix Medical INC | Westborough, MA | Miscellaneous Manufacturing339112 | — | ◐ LIKELY ACTIVE |
| CICoorstek, INC. | Worcester, MA | Nonmetallic Mineral Product Manufacturing327110 | — | ◐ LIKELY ACTIVE |
| DDexter-russell | Sturbridge, MA | Fabricated Metal Product Manufacturing332215 | — | ◐ LIKELY ACTIVE |
| EEasypak | Leominster, MA | Plastics and Rubber Products Manufacturing326121 | 100–499 | ◐ LIKELY ACTIVE |
| ECEmuge CORP | West Boylston, MA | Machinery Manufacturing333515 | — | ◐ LIKELY ACTIVE |