| AUAllnex USA INC -wallingford Ct Plant | Wallingford | CT | Chemical Manufacturing325211 | 100-499 | ◐ LIKELY ACTIVE |
| BSBomar Specialties, LLC | Torrington | CT | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| DCDymotek CORP | Ellington | CT | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| EIEcometics INC | Norwalk | CT | Chemical Manufacturing325411 | 1-19 | ◐ LIKELY ACTIVE |
| MCMica CORP | Shelton | CT | Chemical Manufacturing325510 | 20-99 | ◐ LIKELY ACTIVE |
| PRPolymer Resources LTD | Farmington | CT | Chemical Manufacturing325991 | 100-499 | ◐ LIKELY ACTIVE |
| RIRapid Industries Inc. | Essex | CT | Chemical Manufacturing325998 | 1-19 | ◐ LIKELY ACTIVE |
| SPSyn-mar Products INC. | Ellington | CT | Chemical Manufacturing325991 | 20-99 | ◐ LIKELY ACTIVE |
| TRThe Rogers Manufacturing Company | Rockfall | CT | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| ADAmerican Distilling & Manufacturing, Inc-treatment Plant | East Hampton | CT | Chemical Manufacturing325411 | 20-99 | ◐ LIKELY ACTIVE |
| BRBedoukian Research INC | Danbury | CT | Chemical Manufacturing325199 | 100-499 | ◐ LIKELY ACTIVE |
Bedoukian Research, INC. | Danbury | CT | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| FTFerti Technologies Ct CORP | Wallingford | CT | Chemical Manufacturing325314 | — | ◐ LIKELY ACTIVE |
| HRHampford Research | Stratford | CT | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
Md Solarsciences CORP. | Westport | CT | Chemical Manufacturing325620 | 1-19 | ◐ LIKELY ACTIVE |
| PAPfaltz and Bauer Incorporated | Waterbury | CT | Chemical Manufacturing325199 | 1-19 | ◐ LIKELY ACTIVE |
| PIPorce-len, INC | Hamden | CT | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| RARoehm America LLC | Wallingford | CT | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| AOActive Oil INC (acv) | New Haven | CT | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
| AGAmerican Greenfuels, LLC | New Haven | CT | Chemical Manufacturing325193 | — | ◐ LIKELY ACTIVE |
| ASAmericas Styrenics Allyns Point Plant | Gales Ferry | CT | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| CCChemstation Connecticut | South Windsor | CT | Chemical Manufacturing325611 | — | ◐ LIKELY ACTIVE |
| DIDur-a-flex INC | East Hartford | CT | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| DNDyno Nobel | Simsbury | CT | Chemical Manufacturing325920 | — | ◐ LIKELY ACTIVE |
| KNKuehne New Haven LLC | New Haven | CT | Chemical Manufacturing325131 | — | ◐ LIKELY ACTIVE |
| NENalas Engineering Services LLC | Centerbrook | CT | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| PDPlastic Diversity Solutions | Dayville | CT | Chemical Manufacturing325991 | — | ◐ LIKELY ACTIVE |
| PTPurification Techs INC | Chester | CT | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| RSResin Solutions, LLC | Stratford | CT | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| SMSpecialty Minerals Dolomite Plant | Canaan | CT | Chemical Manufacturing325180 | — | ◐ LIKELY ACTIVE |
Bioxcel Therapeutics, INC. | New Haven | CT | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| BLBrand-nu Laboratories | Meriden | CT | Chemical Manufacturing325998 | 20-99 | ◐ LIKELY ACTIVE |
Detect INC | Guilford | CT | Chemical Manufacturing325413 | — | ◐ LIKELY ACTIVE |
Invivyd, INC. | New Haven | CT | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| MIMacdermid, Incorporated | Waterbury | CT | Chemical Manufacturing325199 | 100-499 | ◐ LIKELY ACTIVE |
| MLMetabiome, LLC | New Haven | CT | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| MGMidsun Group, INC | Southington | CT | Chemical Manufacturing325212 | — | ◐ LIKELY ACTIVE |
| OSOne Stamford Forum, Purdue Pharma L.P. | Stamford | CT | Chemical Manufacturing325412 | 100-499 | ◐ LIKELY ACTIVE |
| PIPfizer INC (formerly Pfizer Incorporated, Manufacturing and Research) | Groton | CT | Chemical Manufacturing325411 | — | ◐ LIKELY ACTIVE |
Sacyl Pharmaceuticals, INC. | Old Greenwich | CT | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| ASAmericas Styrenics Polystyrene Plant | Ledyard (gales Ferry) | CT | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| CChemtura | Naugatuck | CT | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| FRFluoropolymer Resources Inc. | Windham | CT | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| KIKing Industries | Waterbury | CT | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| MSMacdermid Specialty Chemical Services | Waterbury | CT | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
| MLMilbar Labs, INC. | East Haven | CT | Chemical Manufacturing325620 | — | ◐ LIKELY ACTIVE |
| PDPlastic Design INC | Middletown | CT | Chemical Manufacturing325991 | 20-99 | ◐ LIKELY ACTIVE |
| SISeals-It, Inc. | Ellington | CT | Chemical Manufacturing325212 | — | ◐ LIKELY ACTIVE |
| VRVitek Research Corporation | Naugatuck | CT | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| 1W100 Waterfront Street | New Haven | CT | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |