| JPJam Plastic INC | Leominster | MA | Wood Product Manufacturing321911 | 1-19 | ◇ UNVERIFIED |
| SCSpectro Coating CORP | Leominster | MA | Textile Mills313312 | 20-99 | ◇ UNVERIFIED |
| CCCarbon Composites INC | Leominster | MA | Electrical Equipment, Appliance & Component Manufacturing335991 | — | ◇ UNVERIFIED |
| CFClaremont Flock | Leominster | MA | Textile Mills313310 | — | ◇ UNVERIFIED |
| CLClearplas LLC | Leominster | MA | Miscellaneous Manufacturing339115 | — | ◇ UNVERIFIED |
| CPConnectivity Products Bsc Division | Leominster | MA | Primary Metal Manufacturing331422 | — | ◇ UNVERIFIED |
| CPCvs Pharmacy 0810 | Leominster | MA | Plastics and Rubber Products Manufacturing326212 | — | ◇ UNVERIFIED |
| ESElastomer Solutions INC | Leominster | MA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| MDModern Dispersion | Leominster | MA | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| MCMonson Chemical Distribution | Leominster | MA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| PIPlastican Incorporated | Leominster | MA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
 Polycarbon Industries, INC. | Leominster | MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| QPQuebecor Printing | Leominster | MA | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| SLSouthwin LTD | Leominster | MA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| UPUnion Products INC | Leominster | MA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| UPUnited Parcel Service Maleo | Leominster | MA | Plastics and Rubber Products Manufacturing326212 | — | ◇ UNVERIFIED |
| BHBancroft Holding LLC | Leominster | MA | Machinery Manufacturing333511 | 20-99 | ◇ UNVERIFIED |
| BSBay State Apparel, Inc. | Leominster | MA | Printing and Related Support Activities323111 | 1-19 | ◇ UNVERIFIED |
| RMRem Mfg. CORP. | Leominster | MA | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| 2F251 Florence St, LLC | Leominster | MA | Machinery Manufacturing333511 | — | ◇ UNVERIFIED |
| ARAccucon Realty, LLC | Leominster | MA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| APAction Precision Machining | Leominster | MA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| ATAnthony Tool and Die CORP. | Leominster | MA | Machinery Manufacturing333511 | — | ◇ UNVERIFIED |
| BLBevovations, LLC | Leominster | MA | Food Manufacturing311411 | — | ◇ UNVERIFIED |
| CCCarbon Composites INC Site 1 | Leominster | MA | Electrical Equipment, Appliance & Component Manufacturing335991 | — | ◇ UNVERIFIED |
| CCCardinal Comb Corporation | Leominster | MA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| CCCrumbl Cookie | Leominster | MA | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| DDDippin Donuts, INC. | Leominster | MA | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| ECEnvirocraft Corporation | Leominster | MA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| FDF & D Plastics, INC. | Leominster | MA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| FMF & M Tools & Plastics, INC. | Leominster | MA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| GSG&h Staffing Companies, LLC | Leominster | MA | Textile Mills313310 | — | ◇ UNVERIFIED |
| GPGTC Precision Molding Corp | Leominster | MA | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| PPPeak Performance Compounding LLC | Leominster | MA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| PCPremium Cabinet Wholesaler's LLC | Leominster | MA | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| QGQuad Graphics Commercial and Specialty LLC | Leominster | MA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| SAStow Away Solutions LLC | Leominster | MA | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
| WSWass-arthurs Signs, INC | Leominster | MA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| WCWildwood Custom Furniture | Leominster | MA | Machinery Manufacturing333243 | — | ◇ UNVERIFIED |
