| CFConcrete Feliz LLC | Danielson | 1–19 | ◐ LIKELY ACTIVE |
| CSConn Stone Supplies, INC | Milford | 20–99 | ◐ LIKELY ACTIVE |
| CSCONN STONE SUPPLIES, INC - Stamford | Stamford | 1–19 | ◐ LIKELY ACTIVE |
| DSDelgado Stone Distributors | Brookfield | 20–99 | ◐ LIKELY ACTIVE |
| DMDmr Materials, LLC | Bloomfield | — | ◐ LIKELY ACTIVE |
| GQGON Quikrete | Wauregan | 20–99 | ◐ LIKELY ACTIVE |
| KDKing, David W | Hampton | — | ◐ LIKELY ACTIVE |
| KRKobyluck Ready-mix INC | Waterford | — | ◐ LIKELY ACTIVE |
| MCM Cubed Technology Incorporated | Newtown | 20–99 | ◐ LIKELY ACTIVE |
| NGNewtown Granite Works | Newtown | 1–19 | ◐ LIKELY ACTIVE |
| RSR Stone Co., LLC | Bridgeport | 20–99 | ◐ LIKELY ACTIVE |
| SCSEK Corporation / Barr | Vernon Rockville | 1–19 | ◐ LIKELY ACTIVE |
| SLShort Load Concrete 2 LLC | Milford | — | ▲ REPORTED CLOSED |
| TSTerra Stonecraft LLC | Ansonia | — | ◐ LIKELY ACTIVE |
| YVYanimo Ventures LLC | East Hartford | — | ◐ LIKELY ACTIVE |
| AGAll Granite and Marble Corporation | Danbury | — | ◇ UNVERIFIED |
| ASAmerican Stone Excellence, LLC | Wallingford | — | ◇ UNVERIFIED |
| AGArchitectural Glass Industries | Sandy Hook | — | ◇ UNVERIFIED |
| AGArchitectural Glass Pros, INC. | Winsted | — | ◇ UNVERIFIED |
| ACArrow Concrete | Granby | — | ◇ UNVERIFIED |
| ALArtlook LLC | Shelton | — | ◇ UNVERIFIED |
| BGBella Granite Designs, LLC | New Haven | — | ◇ UNVERIFIED |
| BMBurton's Monument Shop, LLC | Waterbury | — | ◇ UNVERIFIED |
| CSConnecticut Solid Surface, LLC | Plainville | — | ◇ UNVERIFIED |
| CMCoppola Marble & Granite | Stamford | — | ◇ UNVERIFIED |
| DAD and D Carbide Grinding INC. | Berlin | — | ◇ UNVERIFIED |
| DEDawn Enterprises, LLC | Manchester | — | ◇ UNVERIFIED |
| DADiMuro Awards, LLC | Danbury | — | ◇ UNVERIFIED |
| DMDiscover Marble & Granite, INC. | Wallingford | — | ◇ UNVERIFIED |
| DMDushi Marble & Granite, LLC | Stamford | — | ◇ UNVERIFIED |
| FCFairfield County Granite LLC | Bridgeport | — | ◇ UNVERIFIED |
| GPGezelman Partners, LLC | West Hartford | — | ◇ UNVERIFIED |
| GMGiordano Monuments LLC | West Haven | — | ◇ UNVERIFIED |
| GIGlass Industries, USA LLC | Wallingford | — | ◇ UNVERIFIED |
| GLGranitech, LLC | Plantsville | — | ◇ UNVERIFIED |
| GBGray's Bridge Farm & Earth Products, LLC | Brookfield | — | ◇ UNVERIFIED |
| HPHanson Pipe & Precast, INC. | Wauregan | — | ◇ UNVERIFIED |
| HKHope Kitchen Cabinets & Stone Supply, LLC | Bridgeport | — | ◇ UNVERIFIED |
| IOInsulpane of Connecticut Incorporated | Hamden | — | ◇ UNVERIFIED |
| ISInternational Stone, INC. | Ansonia | — | ◇ UNVERIFIED |
| LSL Suzio Concrete Company | Milford | — | ◇ UNVERIFIED |
| OSOntra Stone Concepts, LLC | Bridgeport | — | ◇ UNVERIFIED |
| PMPacific Marble & Granite, LLC | Middletown | — | ◇ UNVERIFIED |
| QCQuikrete - Connecticut INC. | Wauregan | — | ◇ UNVERIFIED |
| RBRedland Brick INC /kf Plant | South Windsor | — | ◇ UNVERIFIED |
| SSSolar Seal of Connecticut | Hamden | — | ◇ UNVERIFIED |
| SFStone Fabricators, LLC | Middletown | — | ◇ UNVERIFIED |
| TGThe Granite City New Britain | New Britain | — | ◇ UNVERIFIED |
| TSTimeless Stone Marble & Granite, INC | Danbury | — | ◇ UNVERIFIED |
| TPTrinity Paving | Newington | — | ◇ UNVERIFIED |
