| CCCamger Coatings Systems, Inc. | Norfolk | MA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| CTCandel Therapeutics | Needham Heights | MA | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| CICapralogics INC | Hardwick | MA | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
 Captivate Bio, LLC | Watertown | MA | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| CAC a R Products INC | Holyoke | MA | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
 Charm Sciences INC | Malden | MA | Chemical Manufacturing325413 | — | ◇ UNVERIFIED |
| Charm Sciences, INC. | Lawrence | MA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| CMCollagen Medical | Woburn | MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| CBCompass Biomedical | Hopkinton | MA | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| CICompo Industries INC | Mansfield | MA | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| CCCovestro Coating Resins INC | Wilmington | MA | Paper Manufacturing322225 | — | ◇ UNVERIFIED |
| CMCreative Materials | Tyngsborough | MA | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| CTCyclerion Therapeutics INC | Cambridge | MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| DCDanvers Chemical Ind | Danvers | MA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| DADermatology and Skin Surgery Center of Cape Cod | Hyannis | MA | Chemical Manufacturing325130 | — | ◇ UNVERIFIED |
 Deuterium Ims LLC | Boston | MA | Chemical Manufacturing325130 | — | ◇ UNVERIFIED |
| DIDiemat INC | Byfield | MA | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| DLDiscovery Life Sciences LLC | Malden | MA | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| DMDmc Manufacture | Whately | MA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| DCDodge Company the | Cambridge | MA | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| DIDreamfields INC | Tyngsboro | MA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
 Drew Marine USA | Boston | MA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| DCDubois Chemicals INC Dba Heatbath CORP | Indian Orchard | MA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| DIDuromar INC | Pembroke | MA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| EBEastern Bank | Saugus | MA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| ELEastworks LLP | Easthampton | MA | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| ECEmerson & Cuming Composite Materials INC | Canton | MA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| E2Employment 2000 CORP. | South Easton | MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| EPEutropics Pharmaceuticals, INC. | Cambridge | MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| FMF & M Tools & Plastics, INC. | Leominster | MA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| FEFound Energy CO | Charlestown | MA | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| FKFresenius Kabi | Canton | MA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| FPFrx Polymers INC | Chelmsford | MA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| FDFujifilm Diosynth Biotechnologies | Watertown | MA | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| GRGarden Remedies, INC. | Fitchburg | MA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| GIGenetics Institute | Cambridge, Town of | MA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| GBGenzyme Biosurgery | Lexington | MA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
 Globe Composite Solutions | Hanover | MA | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| GCGMV Corporation LLC | Leicester | MA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| HRHallahan Residence | Quincy | MA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| HHHelen Hansen Elementary School | Stoughton | MA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| HUHenkel US Operations | Peabody | MA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| HCHolland Company Bators Garage | Adams | MA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| HCHolland Company Garage | North Adams | MA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| HBHtl Bmi | Canton | MA | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| ISIcpms Services INC | Middleboro | MA | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| INImpact Nano LLC | Devens | MA | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| IBIndependence Biodiesel, LLC | Hyde Park | MA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| ICIndustrial Chemical Company | Wakefield | MA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| IDInterior Dimensions | Medford | MA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
