| SASuzio Asphalt CO Inc, L | Meriden | CT | Petroleum and Coal Products Manufacturing324121 | 1-19 | ● ACTIVE |
Connecticut Precast Corporation | Monroe | CT | Nonmetallic Mineral Product Manufacturing327390 | — | ● ACTIVE |
Cromwell Concrete Products, Incorporated | Cromwell | CT | Nonmetallic Mineral Product Manufacturing327320 | — | ● ACTIVE |
F & F Concrete Corporation, the | Plantsville | CT | Nonmetallic Mineral Product Manufacturing327320 | — | ● ACTIVE |
| KLKenneth Lynch & Sons, Incorporated | Oxford | CT | Nonmetallic Mineral Product Manufacturing327390 | — | ● ACTIVE |
| UCUnited Concrete Products, INC | Yalesville | CT | Nonmetallic Mineral Product Manufacturing327390 | 100-499 | ● ACTIVE |
| APAdvanced Photonics International, INC. | Fairfield | CT | Nonmetallic Mineral Product Manufacturing327215 | — | ● ACTIVE |
Composition Materials CO INC | Milford | CT | Nonmetallic Mineral Product Manufacturing327910 | — | ● ACTIVE |
Ct Fiberoptics, INC | Somers | CT | Nonmetallic Mineral Product Manufacturing327215 | — | ● ACTIVE |
Edison Coatings, INC | Plainville | CT | Nonmetallic Mineral Product Manufacturing327310 | — | ● ACTIVE |
Five Star Products, INC. | Shelton | CT | Nonmetallic Mineral Product Manufacturing327390 | — | ● ACTIVE |
Greenmaker Industries of Connecticut LLC | West Hartford | CT | Nonmetallic Mineral Product Manufacturing327999 | — | ● ACTIVE |
Mono Crete Step CO of Ct LLC | Bethel | CT | Nonmetallic Mineral Product Manufacturing327390 | — | ● ACTIVE |
Nano Solutions LLC | Bridgeport | CT | Nonmetallic Mineral Product Manufacturing327110 | — | ● ACTIVE |
New England Metal Finishing LLC | Windsor | CT | Nonmetallic Mineral Product Manufacturing327910 | — | ● ACTIVE |
United Concrete Products INC. | Wallingford | CT | Nonmetallic Mineral Product Manufacturing327390 | — | ● ACTIVE |
US Barricades, LLC | Darien | CT | Nonmetallic Mineral Product Manufacturing327331 | — | ● ACTIVE |
| BCBuilders Concrete East | Windham | CT | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| BPBlakeslee Prestress INC | Branford | CT | Nonmetallic Mineral Product Manufacturing327390 | 100-499 | ◐ LIKELY ACTIVE |
| CSCoreslab Structures (conn), INC | Thomaston | CT | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| OGO & G Industries | Danbury | CT | Nonmetallic Mineral Product Manufacturing327310 | — | ◐ LIKELY ACTIVE |
| UAUnited Abrasives INC | Willimantic | CT | Nonmetallic Mineral Product Manufacturing327910 | — | ◐ LIKELY ACTIVE |
| BCBuilders Concrete East LLC | Manchester | CT | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| OPOldcastle Precast | Avon | CT | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| OROldcastle Retail INC (dba Bonsal American) | Canaan | CT | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SYSuzio York Hill Concrete | New Haven | CT | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CICoorstek, INC. | East Granby | CT | Nonmetallic Mineral Product Manufacturing327110 | — | ◐ LIKELY ACTIVE |
| UAUnited Abrasives INC | North Windham | CT | Nonmetallic Mineral Product Manufacturing327910 | 100-499 | ◐ LIKELY ACTIVE |
| ACArrow Concrete Products, INC | Milford | CT | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| BRBreault Road Fabrication & Distribution | Beacon Falls | CT | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| CSConnecticut Stone | Milford | CT | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| DBDevine Bros Heating | Norwalk | CT | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| EIElm-cap Industries, INC | West Hartford | CT | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| FRFarmington Ready Mix, INC. | Farmington | CT | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| HBHartford Ball Company | Rocky Hill | CT | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| LCL C D Lighting INC | Milford | CT | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| MCMorganite Crucible | North Haven | CT | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| NMNew Milford Block & Supply CORP. | New Milford | CT | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| NVNorwalk Vault CO | Bridgeport | CT | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| NRNorwich Ready Mix Concrete Plant Facility | Norwich | CT | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| OIO&g Industries INC Beacon Falls | Beacon Falls | CT | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| QCQuikrete - Connecticut Plant | Moosup | CT | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| RIRaymark Industries | Stratford | CT | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| SRSega Ready Mix, | New Milford | CT | Nonmetallic Mineral Product Manufacturing327112 | — | ◇ UNVERIFIED |
| SRSega Redi-mix | Waterbury | CT | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SCSuzio Concrete Co, INC the L | Wallingford | CT | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| TJThe Joseph J. Mottes CO. INC. | Stafford | CT | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| TLThe L. Suzio Concrete Company - Milford, Ct Facility | Milford | CT | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| ACAPG- Canaan | Canaan | CT | Nonmetallic Mineral Product Manufacturing327999 | 20-99 | ◐ LIKELY ACTIVE |
| CFConcrete Feliz LLC | Danielson | CT | Nonmetallic Mineral Product Manufacturing327331 | 1-19 | ◐ LIKELY ACTIVE |