| 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 |
| 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 |
| AGAll Granite and Marble Corporation | Danbury | CT | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| ASAmerican Stone Excellence, LLC | Wallingford | CT | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| AGArchitectural Glass Industries | Sandy Hook | CT | Nonmetallic Mineral Product Manufacturing327211 | — | ◇ UNVERIFIED |
| AGArchitectural Glass Pros, INC. | Winsted | CT | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| ACArrow Concrete | Granby | CT | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| ALArtlook LLC | Shelton | CT | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| BGBella Granite Designs, LLC | New Haven | CT | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| BMBurton's Monument Shop, LLC | Waterbury | CT | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| CSConnecticut Solid Surface, LLC | Plainville | CT | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| CMCoppola Marble & Granite | Stamford | CT | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| DAD and D Carbide Grinding INC. | Berlin | CT | Nonmetallic Mineral Product Manufacturing327910 | — | ◇ UNVERIFIED |
| DEDawn Enterprises, LLC | Manchester | CT | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| DADiMuro Awards, LLC | Danbury | CT | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| DMDiscover Marble & Granite, INC. | Wallingford | CT | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| DMDushi Marble & Granite, LLC | Stamford | CT | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| FCFairfield County Granite LLC | Bridgeport | CT | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| GPGezelman Partners, LLC | West Hartford | CT | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| GMGiordano Monuments LLC | West Haven | CT | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| GIGlass Industries, USA LLC | Wallingford | CT | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| GLGranitech, LLC | Plantsville | CT | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| GBGray's Bridge Farm & Earth Products, LLC | Brookfield | CT | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| HPHanson Pipe & Precast, INC. | Wauregan | CT | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| HKHope Kitchen Cabinets & Stone Supply, LLC | Bridgeport | CT | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| IOInsulpane of Connecticut Incorporated | Hamden | CT | Nonmetallic Mineral Product Manufacturing327211 | — | ◇ UNVERIFIED |
| ISInternational Stone, INC. | Ansonia | CT | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| LSL Suzio Concrete Company | Milford | CT | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
