 Axel Plastics Research Laboratories INC | Monroe | 20–99 | ● ACTIVE |
| SASuzio Asphalt CO Inc, L | Meriden | 1–19 | ● ACTIVE |
| FLFuchs Lubricants CO. | East Haven | — | ● ACTIVE |
 Black Diamond Paving LLC | North Haven | — | ● ACTIVE |
 D.m. Hock Enterprises, LLC | Litchfield | — | ● ACTIVE |
 Fuller Paving, LLC | Marlborough | — | ● ACTIVE |
 Layne Lubrications LLC | Bridgeport | — | ● ACTIVE |
 Maisano Bros, INC. | Northford | — | ● ACTIVE |
| OGO & G Concrete Plant | Bridgeport | — | ◐ LIKELY ACTIVE |
| OGO & G Industries, INC | Stamford | — | ◐ LIKELY ACTIVE |
| OIO&g Industries INC | Waterbury | — | ◐ LIKELY ACTIVE |
| OIO&g Industries Southbury Quarry | Southbury | — | ◇ UNVERIFIED |
| TCTilcon Connecticut | Manchester | — | ◇ UNVERIFIED |
| TCTilcon Connecticut Aggregate & Asphalt | Newington | — | ◇ UNVERIFIED |
| TCTilcon Connecticut - Hamden Plant | Hamden | — | ◇ UNVERIFIED |
| TCTilcon Connecticut, INC | New Britain | — | ◇ UNVERIFIED |
| TCTilcon Connecticut, INC. | North Branford | — | ◇ UNVERIFIED |
| TCTilcon Connecticut - Waterbury Plant | Waterbury | — | ◇ UNVERIFIED |
| TCTilcon Crushed Stone Asphalt | Wallingford | — | ◇ UNVERIFIED |
| TCTilcon Ct Asphalt Stone Ready Mix | Groton | — | ◇ UNVERIFIED |
| THTilcon Hot Mix Asphalt | Danbury | — | ◇ UNVERIFIED |
| TNTilcon - Newtown Plant | Newtown | — | ◇ UNVERIFIED |
| DEDalton Enterprises Inc. - Indiana | Cheshire | 1–19 | ◐ LIKELY ACTIVE |
| ECE/m Corporation | New Britain | — | ◐ LIKELY ACTIVE |
| RTRoncari Trap Rock Quarry | East Granby | — | ◐ LIKELY ACTIVE |
| BUBitumar USA Asphalt Terminal | Portland | — | ◇ UNVERIFIED |
| HBHain Brothers Materials Company | Windham | — | ◇ UNVERIFIED |
| NINeyra Industries, INC. | South Windsor | — | ◇ UNVERIFIED |
| OGO & G Industries, INC | New Milford | — | ◇ UNVERIFIED |
| TCTilcon Connecticut | Shelton | — | ◇ UNVERIFIED |
| TCTilcon Connecticut | Thompson (north Grosvenordale) | — | ◇ UNVERIFIED |
| TCTilcon Connecticut INC | Old Saybrook | — | ◇ UNVERIFIED |
| TCTilcon Connecticut INC. - Plainfield (wauregan) | Wauregan | — | ◇ UNVERIFIED |
| TCTilcon Connecticut - North Haven Plant | North Haven | — | ◇ UNVERIFIED |
| TCTilcon Connecticut - Portland Plant | Portland | — | ◇ UNVERIFIED |
| TETilcon - Enfield (shaker) Plant | Enfield | — | ◇ UNVERIFIED |
| AAA.e.n. Asphalt, INC | Bozrah | — | ◐ LIKELY ACTIVE |
| APArtech Packaging LLC | Bethel | — | ◐ LIKELY ACTIVE |
| DEDalton Enterprises, Inc - Cheshire, CT | Cheshire | 20–99 | ◐ LIKELY ACTIVE |
| DEDalton Enterprises, Inc. - Sacramento, CA | Cheshire | 1–19 | ◐ LIKELY ACTIVE |
| DCD'amico Construction Company, INC. | Plainville | — | ◐ LIKELY ACTIVE |
| NENew England Asphalt Services LLC | Northford | — | ◐ LIKELY ACTIVE |
| SLShawn's LLC | Windsor | — | ◐ LIKELY ACTIVE |
| AEA E N Asphalt INC | Franklin | — | ◇ UNVERIFIED |
| AIAmerican Industries, INC. | West Haven | — | ◇ UNVERIFIED |
| ASA. Silverio Asphalt Paving | Danbury | — | ◇ UNVERIFIED |
| DCDubois Chemicals, INC | Sterling | — | ◇ UNVERIFIED |
| EIElite III Asphalt Services, LLC | Brookfield | — | ◇ UNVERIFIED |
| FBFirestone Building Products CO | Bristol | — | ◇ UNVERIFIED |
| HCHenkel Corporation | Waterford | — | ◇ UNVERIFIED |
