Chemical Manufacturing in Connecticut
NAICS 325 · CT
This register lists 268 facilities in Connecticut. The Bureau of Labor Statistics counted 192 establishments in the Chemical Manufacturing industry in Connecticut during 2025. SCA Pharma Windsor, located in Windsor, employed 357 people in 2025.
SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE
Map, cities and product lines
Plants in Connecticut22 FACILITIES
Listing 22 of 27: the facilities with a website, a size band or two sources on record. The rest are in site search.
| Facility | City | Employees | Status |
|---|---|---|---|
| Electric Cable Compounds | Naugatuck | 20–99 | ACTIVE |
| Hubbard-hall INC. | Waterbury | 20–99 | ACTIVE |
| Koster Keunen | Watertown | 20–99 | ACTIVE |
| Pharmacal Research Laboratories, INC. | Waterbury | 20–99 | ACTIVE |
| Drew Marine USA INC | Waterbury | — | ACTIVE |
| Loclicious LLC | Oxford | — | ACTIVE |
| Intensity Therapeutics, INC. | Shelton | — | ACTIVE |
| Nanoviricides, INC. | Shelton | — | ACTIVE |
| Tm Nutrition LLC | Derby | — | ACTIVE |
| Catachem, INC. | Oxford | 1–19 | REPORTED CLOSED |
| Mica CORP | Shelton | 20–99 | LIKELY ACTIVE |
| Pfaltz and Bauer Incorporated | Waterbury | 1–19 | LIKELY ACTIVE |
| Bepuit Managements LLC | Derby | — | REPORTED CLOSED |
| Macdermid, Incorporated | Waterbury | 100–499 | LIKELY ACTIVE |
| Chemtura | Naugatuck | — | LIKELY ACTIVE |
| King Industries | Waterbury | — | LIKELY ACTIVE |
| Macdermid Specialty Chemical Services | Waterbury | — | LIKELY ACTIVE |
| Vitek Research Corporation | Naugatuck | — | LIKELY ACTIVE |
| Electric Cable Compounds | Seymour | — | UNVERIFIED |
| Macdermid Closed | Waterbury | — | UNVERIFIED |
| Phoenix Soil LLC | Waterbury | — | UNVERIFIED |
| Ppg Architectural Finishes, INC. | Watertown | — | UNVERIFIED |
All chemical manufacturing nationwide · All manufacturing in Connecticut
