| PCPrimary Colors, Inc | North Grafton | MA | Plastics and Rubber Products Manufacturing326122 | 20-99 | ◐ LIKELY ACTIVE |
| PGPrysmian Group Specialty Cables LLC | Taunton | MA | Electrical Equipment, Appliance & Component Manufacturing335929 | 100-499 | ◐ LIKELY ACTIVE |
| PEPure Encapsulations LLC | Sudbury | MA | Chemical Manufacturing325411 | 100-499 | ◐ LIKELY ACTIVE |
| QTQuality Tool Company , Incorporated | Monson | MA | Machinery Manufacturing333514 | 1-19 | ◐ LIKELY ACTIVE |
| RBRandolph & Baldwin, INC. | Ayer | MA | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| RIRaytheon Integrated Defense Systems | Andover | MA | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| RCRepligen Corporation | Waltham | MA | Chemical Manufacturing325414 | 500+ | ◐ LIKELY ACTIVE |
| SGSaint Gobain Abrasives | Worcester | MA | Nonmetallic Mineral Product Manufacturing327124 | — | ◐ LIKELY ACTIVE |
| SDScreenprint Dow INC | Wilmington | MA | Paper Manufacturing322222 | 20-99 | ◐ LIKELY ACTIVE |
| SASealed Air CORP | Holyoke | MA | Paper Manufacturing322221 | 20-99 | ◐ LIKELY ACTIVE |
| SISencorpWhite Inc | Hyannis | MA | Machinery Manufacturing333249 | 100-499 | ◐ LIKELY ACTIVE |
Sensing Systems Corporation | North Dartmouth | MA | Computer and Electronic Product Manufacturing334513 | 1-19 | ◐ LIKELY ACTIVE |
| SAShawmut Advertising Inc | Peabody | MA | Printing and Related Support Activities323111 | 20-99 | ◐ LIKELY ACTIVE |
| SPShort Path Distillery, INC | Everett | MA | Beverage and Tobacco Product Manufacturing312140 | 1-19 | ◐ LIKELY ACTIVE |
| SPSmithfield Packaged Meats CORP Spfld | Springfield | MA | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| SISolutia INC - Indian Orchard Plant | Springfield | MA | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| SPStd Precision Gear & Instrument, INC | W Bridgewater | MA | Machinery Manufacturing333612 | 20-99 | ◐ LIKELY ACTIVE |
| SGSt Gobain Coating Solutions | Northampton, City of | MA | Nonmetallic Mineral Product Manufacturing327999 | — | ◐ LIKELY ACTIVE |
| SUSwissturn USA INC | Oxford | MA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| SISymmons Industries | Braintree | MA | Fabricated Metal Product Manufacturing332913 | 100-499 | ◐ LIKELY ACTIVE |
Takeda Pharmaceuticals America, INC. | Cambridge | MA | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| TMTechnical Manufacturing CORP | Peabody | MA | Computer and Electronic Product Manufacturing334519 | — | ◐ LIKELY ACTIVE |
| TITemp-pro Incorporated | Northampton | MA | Computer and Electronic Product Manufacturing334513 | 20-99 | ◐ LIKELY ACTIVE |
| TSTextron Systems Corporation | Wilmington | MA | Fabricated Metal Product Manufacturing332993 | 100-499 | ◐ LIKELY ACTIVE |
| TWThe Whitmor CO. INC. | Revere | MA | Electrical Equipment, Appliance & Component Manufacturing335313 | 1-19 | ◐ LIKELY ACTIVE |
| TRTwin Rivers Technologies Oleochemical Plant | Quincy | MA | Food Manufacturing311223 | — | ◐ LIKELY ACTIVE |
| UEUltra Electronics Ocean Systems INC. | Braintree | MA | Fabricated Metal Product Manufacturing332323 | 500+ | ◐ LIKELY ACTIVE |
Valley Malt LLC | Holyoke | MA | Food Manufacturing311213 | — | ◐ LIKELY ACTIVE |
| VIVellumoid INC | Worcester | MA | Miscellaneous Manufacturing339991 | 1-19 | ◐ LIKELY ACTIVE |
| VAVision American Saw LLC | East Longmeadow | MA | Fabricated Metal Product Manufacturing332213 | — | ◐ LIKELY ACTIVE |
Vulcanforms INC | Devens | MA | Fabricated Metal Product Manufacturing332117 | 100-499 | ◐ LIKELY ACTIVE |
Westfield Electroplating CO | Westfield | MA | Fabricated Metal Product Manufacturing332813 | 100-499 | ◐ LIKELY ACTIVE |
| WRWestlake Royal Building Products (Kleer Lumber) | Westfield | MA | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| WFWestside Finishing CO INC | Holyoke | MA | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| YTYankee Trader Seafood Limited | Pembroke | MA | Food Manufacturing311612 | 20-99 | ◐ LIKELY ACTIVE |
Zeptive, INC | Andover | MA | Computer and Electronic Product Manufacturing334519 | 1-19 | ◐ LIKELY ACTIVE |
| 33m | Rockland | MA | Paper Manufacturing322220 | — | ◐ LIKELY ACTIVE |
| 3C3m CO Static Control Systems | Chelmsford | MA | Plastics and Rubber Products Manufacturing326121 | — | ◐ LIKELY ACTIVE |
| ACAcushnet CO | Fairhaven | MA | Miscellaneous Manufacturing339920 | 500+ | ◐ LIKELY ACTIVE |
| ACAcushnet CO - Titleist Ball Plant Ii | North Dartmouth | MA | Miscellaneous Manufacturing339920 | — | ◐ LIKELY ACTIVE |
Adhesive Applications INC - Stik Ii Div | Easthampton | MA | Paper Manufacturing322220 | — | ◐ LIKELY ACTIVE |
| AAAdvanced Aerostructures INC | Chicopee | MA | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| AIAggregate Industries | Wrentham | MA | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| AIAggregate Industries | Stoughton, Town of | MA | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| AIAggregate Industries Northeast Region | Saugus | MA | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| AIAggregate Industries Northeast Region in | Chelmsford | MA | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| AIAggregate Industries Ready Mixed Concrete | Waltham | MA | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| ACAirloc Corporation | Franklin | MA | Plastics and Rubber Products Manufacturing326291 | 1-19 | ◐ LIKELY ACTIVE |
| ATAllcoat Technology | Wilmington | MA | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| ADAmerican Durafilm Co., INC. | Holliston | MA | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |