 Johns Manville Corporation | Denver | — | ● ACTIVE |
 Vasquez Ready Mix, LLC | Denver | — | ● ACTIVE |
 Copeland Enterprises, INC. | Denver | — | ● ACTIVE |
| EDEnCon Design LLC | Denver | 1–19 | ● ACTIVE |
| HIHolcim-wcr INC - Bannock | Denver | — | ◐ LIKELY ACTIVE |
| MMMartin Marietta Mtrls - Quivas | Denver | — | ◐ LIKELY ACTIVE |
| MMMonarch Marble INC | Denver | — | ◇ UNVERIFIED |
| BGBella Glass Production, Inc. | Denver | 1–19 | ◐ LIKELY ACTIVE |
| Vasquez Ready Mix LLC - Ross Bandit | Denver | — | ◇ UNVERIFIED |
| DMDenver Marble Concepts | Denver | — | ◐ LIKELY ACTIVE |
| FMFreeway Marble & Granite | Denver | — | ◐ LIKELY ACTIVE |
| RMReady Mixed Concrete CO - Plant 1 | Denver | — | ◐ LIKELY ACTIVE |
| IHInterstate Highway Construction | Denver | — | ◐ LIKELY ACTIVE |
| MCMountain Cement CO | Denver | — | ◐ LIKELY ACTIVE |
| UGUS Gypsum Denver | Denver | — | ◐ LIKELY ACTIVE |
| UMUS Mix CO. | Denver | — | ◐ LIKELY ACTIVE |
| ABAlbert's Bullnosing, INC. | Denver | — | ◇ UNVERIFIED |
| BCBasalite Concrete Products | Denver | — | ◇ UNVERIFIED |
| BBB&b Blending INC | Denver | — | ◇ UNVERIFIED |
| MWMillstone Weber - Concrete Plant #7001 | Denver | — | ◇ UNVERIFIED |
| PPPic Plastics | Denver | — | ◇ UNVERIFIED |
| PCPremier Countertops, INC. | Denver | — | ◇ UNVERIFIED |
| RCRocla Concrete Tie Incorporated | Denver | — | ◇ UNVERIFIED |
| SRSmyrna Ready Mix - Osage Portable Plant | Denver | — | ◇ UNVERIFIED |
| TITopperscot INC | Denver | — | ◇ UNVERIFIED |
| GSGeneral Shale Brick Inc- Denver | Denver | 100–499 | ◐ LIKELY ACTIVE |
| PCPS Colorado Denver Moline Street | Denver | 1–19 | ◐ LIKELY ACTIVE |
| CECustom Edge Marble & Granite LLC | Denver | 1–19 | ◇ UNVERIFIED |
| MOMarquardt Outdoors, Llcdba Davis Tent an D Awning | Denver | 1–19 | ◇ UNVERIFIED |
