Petroleum and Coal Products Manufacturing in Connecticut

NAICS 324 · CT

Connecticut has 20 establishments in Petroleum and Coal Products Manufacturing, according to the Bureau of Labor Statistics in 2024. The register lists 55 facilities in Connecticut, across 41 cities. AXEL PLASTICS RESEARCH LABORATORIES INC in Monroe had 45 employees in 2025. The Bureau of Labor Statistics reported annual payroll of about $0.0 billion for this industry in Connecticut during 2024.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Map, cities and product lines

Biggest counties

South Central Connecticut13 Capitol9 Western Connecticut9 Naugatuck Valley8 Southeastern Connecticut5 Greater Bridgeport3 Lower Connecticut River Valley3 Northeastern Connecticut3

Biggest cities

Cheshire (3)Danbury (3)Bridgeport (2)North Haven (2)North Branford (2)Portland (2)Meriden (2)New Britain (2)Northford (2)Stamford (2)

Plants in Connecticut2 FACILITIES

Facility	City	Employees	Status
Black Diamond Paving LLC	North Haven	—	ACTIVE
Tilcon Connecticut - North Haven Plant	North Haven	—	UNVERIFIED

Search all 55 facilities

All petroleum and coal products manufacturing nationwide · All manufacturing in Connecticut