US Factory Map

Pharmaceutical manufacturers in Connecticut

Connecticut has 17 pharmaceutical makers in EPA records, facilities that list codes for medicines, diagnostics and biological products. The most are in Danbury. That is under 1% of the 2,786 such facilities nationwide, and Connecticut ranks #27 of 48 states.

Product
Pharmaceutical manufacturers
Facilities
17
State rank
#27
NAICS
325412, 325413, 325414
Revised
November 1, 2026

Facilities in Connecticut

These are active facilities in EPA's ECHO database that list a code for medicines, diagnostics and biological products.

FacilityCityWhat EPA lists
Pfizer Incorporated, Manufacturing and ResearchGrotonPharmaceutical Preparation Manufacturing
Pharmacia & Upjohn (Former)North HavenPharmaceutical Preparation Manufacturing
Mannkind CorporationDanburyPharmaceutical Preparation Manufacturing
Rsa CorporationDanburyPharmaceutical Preparation Manufacturing
Tower Laboratories, Ltd.CenterbrookPharmaceutical Preparation Manufacturing
Boehringer Ingelheim Pharmaceuticals IncRidgefieldPharmaceutical Preparation Manufacturing
Sheffield PharamceuticalsNew LondonPharmaceutical Preparation Manufacturing
AplicareMeridenPharmaceutical Preparation Manufacturing
Yale UniversityWest HavenPharmaceutical Preparation Manufacturing
American Distilling & Mfg Co, IncEast HamptonPharmaceutical Preparation Manufacturing
Beiersdorf, Inc.NorwalkPharmaceutical Preparation Manufacturing
Biodel Inc.DanburyPharmaceutical Preparation Manufacturing
Bristol-Myers Squibb Research & DevelopmentWallingfordPharmaceutical Preparation Manufacturing
Connecticut Pharmaceutical Solutions, LLCRocky HillPharmaceutical Preparation Manufacturing
Institute For Diabetes DiscoveryBranfordBiological Product (except Diagnostic) Manufacturing
Sca Pharmaceuticals LLCWindsorPharmaceutical Preparation Manufacturing
Vion PharmaceuticalNew HavenPharmaceutical Preparation Manufacturing

Industry codes are reported by facilities to EPA programs and are not checked here. A few listings may be repair shops, distributors or recyclers. How these records work.

Where they are

  • Danbury: 3
  • Groton: 1
  • North Haven: 1
  • Centerbrook: 1
  • Ridgefield: 1
  • New London: 1

By product code

  • Pharmaceutical Preparation Manufacturing (NAICS 325412): 16
  • Biological Product (except Diagnostic) Manufacturing (NAICS 325414): 1

All chemicals manufacturing in Connecticut: 136 facilities and Census job counts.