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Nonmetallic Mineral Product Manufacturing in Connecticut

NAICS 327 · CT

The register lists 111 facilities in Connecticut. According to the Bureau of Labor Statistics, 148 establishments in Connecticut were counted in 2025. UNITED CONCRETE PRODUCTS, INC in Yalesville employed 247 people in 2025.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Map, cities and product lines

Biggest counties

Capitol27South Central Connecticut24Western Connecticut17Greater Bridgeport11Naugatuck Valley11Southeastern Connecticut6Northeastern Connecticut5Lower Connecticut River Valley3

Biggest cities

Plants in Connecticut78 FACILITIES

Listing 78 of 111: the facilities with a website, a size band or two sources on record. The rest are in site search.

FacilityCityEmployeesStatus
Architectural Glass IndustriesSandy Hook1–19 ACTIVE
Avery Abrasives, INCTrumbull1–19 ACTIVE
Barnes Concrete Company, INC.Putnam20–99 ACTIVE
Blakeslee Prestress INCBranford100–499 ACTIVE
Composition Materials CO INCMilford1–19 ACTIVE
Connecticut Precast CorporationMonroe20–99 ACTIVE
Connecticut StoneMilford— ACTIVE
Coreslab Structures (conn), INCThomaston20–99 ACTIVE
Cromwell Concrete Products, IncorporatedCromwell1–19 ACTIVE
Edison Coatings, INCPlainville1–19 ACTIVE
Elm-cap Industries, INCWest Hartford1–19 ACTIVE
F & F Concrete Corporation, thePlantsville20–99 ACTIVE
Kenneth Lynch & Sons, IncorporatedOxford— ACTIVE
Mono Crete Step CO of Ct LLCBethel1–19 ACTIVE
Paramount Stone Company, LLCStamford1–19 ACTIVE
Rose Mill Company LLCWest Hartford1–19 ACTIVE
R Stone Co., LLCBridgeport20–99 ACTIVE
Suzio Asphalt CO Inc, LMeriden1–19 ACTIVE
United Abrasives INCNorth Windham100–499 ACTIVE
United Concrete Products, INCYalesville100–499 ACTIVE
Ct Fiberoptics, INCSomers— ACTIVE
Dmr Materials, LLCBloomfield1–19 ACTIVE
Five Star Products, INC.Shelton— ACTIVE
Kobyluck Ready-mix INCWaterford— ACTIVE
US Barricades, LLCDarien— ACTIVE
Concrete Feliz, LLCDanielson— ACTIVE
Delgado Stone DistributorsBrookfield20–99 ACTIVE
Greenmaker Industries of Connecticut LLCWest Hartford— ACTIVE
Nano Solutions LLCBridgeport— ACTIVE
New England Metal Finishing LLCWindsor— ACTIVE
Terra Stonecraft LLCAnsonia— ACTIVE
United Concrete Products INC.Wallingford— ACTIVE
Builders Concrete EastWindham20–99 LIKELY ACTIVE
D and D Carbide Grinding INC.Berlin20–99 LIKELY ACTIVE
Devine Bros HeatingNorwalk— LIKELY ACTIVE
Enfield Transit MixEnfield— LIKELY ACTIVE
O & G IndustriesDanbury— LIKELY ACTIVE
United Abrasives INCWillimantic— LIKELY ACTIVE
Oldcastle InfrastructureAvon— LIKELY ACTIVE
Oldcastle Retail INC (dba Bonsal American)Canaan— LIKELY ACTIVE
Seymour's Sand & Stone, INCBozrah20–99 LIKELY ACTIVE
Builders Concrete East LLCManchester— UNVERIFIED
Suzio York Hill ConcreteNew Haven— UNVERIFIED
Advanced Photonics International, INC.Fairfield— LIKELY ACTIVE
Arrow ConcreteGranby20–99 LIKELY ACTIVE
Short Load Concrete 2 LLCMilford— REPORTED CLOSED
Dawn Enterprises, LLCManchester1–19 LIKELY ACTIVE
Ontra Stone Concepts, LLCBridgeport1–19 UNVERIFIED
Burton's Monument Shop, LLCWaterbury— LIKELY ACTIVE
Coorstek, INC.East Granby— LIKELY ACTIVE

Search all 111 facilities

All nonmetallic mineral product manufacturing nationwide · All manufacturing in Connecticut