| BCBurnco Colorado - Henderson Plant | Henderson | CO | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| LBLakewood Brick & Tile CO | Lakewood | CO | Nonmetallic Mineral Product Manufacturing327120 | 20-99 | ◐ LIKELY ACTIVE |
| RMReady Mixed Concrete Company | Brighton | CO | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| RMReady Mixed Concrete Plant 12 | Aurora | CO | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| 3M3m Montrose | Montrose | CO | Nonmetallic Mineral Product Manufacturing327910 | 20-99 | ◐ LIKELY ACTIVE |
| AIAggregate Industries - Wcr, INC. | Centennial | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| BBBest Block - Pub-b | Pueblo | CO | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| BCBestway Concrete CO - Jeffco | Golden | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| BCBestway Concrete CO Titan Plant | Littleton | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| BCBurnco Colorado LLC - Pueblo | Pueblo | CO | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| CCCemex Construction Materials South LLC | Lyons | CO | Nonmetallic Mineral Product Manufacturing327310 | — | ◐ LIKELY ACTIVE |
| CICoorstek INC - Clear Creek Valley Plant | Golden | CO | Nonmetallic Mineral Product Manufacturing327110 | 100-499 | ◐ LIKELY ACTIVE |
| FPFoley Products Company - Littleton | Littleton | CO | Nonmetallic Mineral Product Manufacturing327332 | 20-99 | ◐ LIKELY ACTIVE |
| GSGeneral Shale - Denver Brick Plant #60 | Denver | CO | Nonmetallic Mineral Product Manufacturing327120 | — | ◐ LIKELY ACTIVE |
| HIHolcim (us) INC. Portland Plant | Florence | CO | Nonmetallic Mineral Product Manufacturing327310 | — | ◐ LIKELY ACTIVE |
| HWHolcim Wcr - Cs-main | Colorado Springs | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| MMMartin Marietta Castle Rock Ready Mix | Castle Rock | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| OPOldcastle Precast INC | Littleton | CO | Nonmetallic Mineral Product Manufacturing327390 | — | ◐ LIKELY ACTIVE |
| PDPavestone - Denver, CO Plant | Henderson | CO | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| QDQuikrete - Denver, CO Plant | Denver | CO | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| RMReady Mixed Concrete Company - Franklin Street Plant | Denver | CO | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| RMReady Mixed Concrete CO Plant 14 | Lafayette | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| RMReady Mixed Concrete Plant 11 | Arvada | CO | Nonmetallic Mineral Product Manufacturing327320 | 1-19 | ◐ LIKELY ACTIVE |
| RRRock & Rail - Highway 34 Facility | Windsor Area | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| RMRocky Mountain Bottle CO - 10619 W 50th | Wheat Ridge | CO | Nonmetallic Mineral Product Manufacturing327213 | — | ◐ LIKELY ACTIVE |
| SCStresscon CORP | Colorado Springs | CO | Nonmetallic Mineral Product Manufacturing327390 | 100-499 | ◐ LIKELY ACTIVE |
| GRGcc Rio Grande INC | Pueblo | CO | Nonmetallic Mineral Product Manufacturing327310 | — | ◐ LIKELY ACTIVE |
| LRLafarge Rock Creek Ready Mix | Lafayette | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| LWLafarge West INC Valmont Plant | Boulder | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| MMMartin Marietta Arvada Ready Mix | Arvada | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| MMMartin Marietta Mtrls - Quivas | Denver | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| MMMartin Marietta Titan Ready Mix | Littleton | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| MLMonierlifetile L.l.c. | Henderson | CO | Nonmetallic Mineral Product Manufacturing327390 | — | ◐ LIKELY ACTIVE |
| SPSummit Pressed Brick - Brick Mfg Plt | Pueblo | CO | Nonmetallic Mineral Product Manufacturing327120 | — | ◐ LIKELY ACTIVE |
| ARAction Ready Mix - Delta Plant | Colorado Springs | CO | Nonmetallic Mineral Product Manufacturing327332 | — | ◐ LIKELY ACTIVE |
| TBThe Business Strategy LLC | Westminster | CO | Nonmetallic Mineral Product Manufacturing327110 | — | ◐ LIKELY ACTIVE |
| AIAggregate Industries Wcr INC Riverview Ready Mix Plant | Littleton | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| ARAll Rite Paving & Redi Mix INC | La Junta | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| AGAmerican Gypsum Cogeneration | Gypsum | CO | Nonmetallic Mineral Product Manufacturing327420 | — | ◐ LIKELY ACTIVE |
| AGAmerican Gypsum Marketing Company | Gypsum | CO | Nonmetallic Mineral Product Manufacturing327420 | 100-499 | ◐ LIKELY ACTIVE |
| BCBestway Concrete CO | Windsor | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| CMCarlson Memorials | Grand Junction | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◐ LIKELY ACTIVE |
| CLColorado Lien CO | Fort Collins | CO | Nonmetallic Mineral Product Manufacturing327410 | — | ◐ LIKELY ACTIVE |
| CICoorstek, INC. | Grand Junction | CO | Nonmetallic Mineral Product Manufacturing327110 | — | ◐ LIKELY ACTIVE |
| CICoorstek, INC. | Golden | CO | Nonmetallic Mineral Product Manufacturing327110 | — | ◐ LIKELY ACTIVE |
| CICoorstek, INC. | Golden | CO | Nonmetallic Mineral Product Manufacturing327110 | — | ◐ LIKELY ACTIVE |
| CICoorsTek Inc. - Center for Advanced Materials (CCAM) | Golden | CO | Nonmetallic Mineral Product Manufacturing327110 | 100-499 | ◐ LIKELY ACTIVE |
| CGCrossfire-bonds Gravel Pit | Durango | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| DADenver Arapahoe - Chemical Waste Process Facility - Landfill | Aurora | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| ECEncon Colorado, LLC | Denver | CO | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |