| BCBestway Concrete CO - Denver | Denver | 20–99 | ● ACTIVE |
Precision Glassblowing of Colorado, INC. | Centennial | 20–99 | ● ACTIVE |
Stone Building Products, LLC | Greeley | — | ● ACTIVE |
Colorado Quartz Company | Colorado Springs | — | ● ACTIVE |
Adva Cera, LLC | Broomfield | — | ● ACTIVE |
Allen Scientific Glass INC | Erie | — | ● ACTIVE |
Cherry Creek Stone Works INC | Englewood | — | ● ACTIVE |
Colorado Thin Films INC | Centennial | — | ● ACTIVE |
| CGCoorstek GMC-East | Golden | 100–499 | ● ACTIVE |
Copeland Enterprises, INC. | Denver | — | ● ACTIVE |
Granite World of Colorado, LLC | Denver | — | ● ACTIVE |
Johns Manville Corporation | Denver | — | ● ACTIVE |
Momentum Optics INC | Longmont | — | ● ACTIVE |
Nano Fixation Incorporated | Edwards | — | ● ACTIVE |
Newmont USA Limited | Denver | — | ● ACTIVE |
Pretred, INC. | Aurora | — | ● ACTIVE |
Prometheus Materials INC. | Longmont | — | ● ACTIVE |
| SLStone Leaf Pottery INC | Arvada | — | ● ACTIVE |
Terra Co2 Technology Holdings, INC | Golden | — | ● ACTIVE |
Vasquez Ready Mix, LLC | Denver | — | ● ACTIVE |
| BCBurnco Colorado - Henderson Plant | Henderson | 20–99 | ◐ LIKELY ACTIVE |
| LBLakewood Brick & Tile CO | Lakewood | 20–99 | ◐ LIKELY ACTIVE |
| RMReady Mixed Concrete Company | Brighton | 20–99 | ◐ LIKELY ACTIVE |
| RMReady Mixed Concrete Plant 12 | Aurora | 20–99 | ◐ LIKELY ACTIVE |
| 3M3m Montrose | Montrose | 20–99 | ◐ LIKELY ACTIVE |
| AIAggregate Industries - Wcr, INC. | Centennial | — | ◐ LIKELY ACTIVE |
| BBBest Block - Pub-b | Pueblo | 20–99 | ◐ LIKELY ACTIVE |
| BCBestway Concrete CO - Jeffco | Golden | — | ◐ LIKELY ACTIVE |
| BCBestway Concrete CO Titan Plant | Littleton | — | ◐ LIKELY ACTIVE |
| BCBurnco Colorado LLC - Pueblo | Pueblo | 1–19 | ◐ LIKELY ACTIVE |
| CCCemex Construction Materials South LLC | Lyons | — | ◐ LIKELY ACTIVE |
| CICoorstek INC - Clear Creek Valley Plant | Golden | 100–499 | ◐ LIKELY ACTIVE |
| FPFoley Products Company - Littleton | Littleton | 20–99 | ◐ LIKELY ACTIVE |
| GSGeneral Shale - Denver Brick Plant #60 | Denver | — | ◐ LIKELY ACTIVE |
| HIHolcim (us) INC. Portland Plant | Florence | — | ◐ LIKELY ACTIVE |
| HWHolcim Wcr - Cs-main | Colorado Springs | — | ◐ LIKELY ACTIVE |
| MMMartin Marietta Castle Rock Ready Mix | Castle Rock | — | ◐ LIKELY ACTIVE |
| OPOldcastle Precast INC | Littleton | — | ◐ LIKELY ACTIVE |
| PDPavestone - Denver, CO Plant | Henderson | 20–99 | ◐ LIKELY ACTIVE |
| QDQuikrete - Denver, CO Plant | Denver | 20–99 | ◐ LIKELY ACTIVE |
| RMReady Mixed Concrete Company - Franklin Street Plant | Denver | 20–99 | ◐ LIKELY ACTIVE |
| RMReady Mixed Concrete CO Plant 14 | Lafayette | — | ◐ LIKELY ACTIVE |
| RMReady Mixed Concrete Plant 11 | Arvada | 1–19 | ◐ LIKELY ACTIVE |
| RRRock & Rail - Highway 34 Facility | Windsor Area | — | ◐ LIKELY ACTIVE |
| RMRocky Mountain Bottle CO - 10619 W 50th | Wheat Ridge | — | ◐ LIKELY ACTIVE |
| SCStresscon CORP | Colorado Springs | 100–499 | ◐ LIKELY ACTIVE |
| GRGcc Rio Grande INC | Pueblo | — | ◐ LIKELY ACTIVE |
| LRLafarge Rock Creek Ready Mix | Lafayette | — | ◐ LIKELY ACTIVE |
| LWLafarge West INC Valmont Plant | Boulder | — | ◐ LIKELY ACTIVE |
| MMMartin Marietta Arvada Ready Mix | Arvada | — | ◐ LIKELY ACTIVE |