| CRConnell Resources- Portable Asphalt Plnt | Craig Area | — | ◇ UNVERIFIED |
| CRConnell Resources - Tinmath Connell Pit | Fort Collins Area | — | ◇ UNVERIFIED |
| CECoulson Ex. - Brownwood/gardels Pits | Loveland | — | ◇ UNVERIFIED |
| CECoulson Excavating Company INC | Loveland | — | ◇ UNVERIFIED |
| CACrown Asphalt Products CO (was Petro) | Fruita | — | ◇ UNVERIFIED |
| DCDelta County | Delta Area | — | ◇ UNVERIFIED |
| ECElam Const INC V355 Asphalt Plt | Grand Junction | — | ◇ UNVERIFIED |
| ECElam Const INC V455 Asphalt Plt | Montrose Area | — | ◇ UNVERIFIED |
| ECElam Const - Portable Screen Plant | Grand Junction | — | ◇ UNVERIFIED |
| ECElam Construction Inc-craig Hma Plt | Craig | — | ◇ UNVERIFIED |
| FSFisher Sand and Gravel | Placitas, Nm | — | ◇ UNVERIFIED |
| FPFrontier Paving - Rifle Asphalt Plant | Rifle | — | ◇ UNVERIFIED |
| GAGreeley Asphalt Plant | Greeley | — | ◇ UNVERIFIED |
| HCHenry Company | Denver | — | ◇ UNVERIFIED |
| HTHi Tech Auto Body | Montrose | — | ◇ UNVERIFIED |
| HIHolcim-wcr INC - Dahlia Hma | Commerce City Area | — | ◇ UNVERIFIED |
| KCKiewit - Colorado Springs Asphalt Plant | Colorado Springs | — | ◇ UNVERIFIED |
| KIKiewit Inf. - Portable Asphalt Plant | Englewood | — | ◇ UNVERIFIED |
| KWKiewit Western | Littleton | — | ◇ UNVERIFIED |
| LWLafarge West, INC. | Colorado Springs | — | ◇ UNVERIFIED |
| LWLafarge West, INC. | Longmont | — | ◇ UNVERIFIED |
| LWLafarge West, INC. | Boulder | — | ◇ UNVERIFIED |
| LCLake County | Leadville 4.9 Mi. Sw of | — | ◇ UNVERIFIED |
| LSLamar Sw | Lamar | — | ◇ UNVERIFIED |
| LCLion Const & Paving - Flag Sand & Gravel | Silt Area | — | ◇ UNVERIFIED |
| LCLogan Cnty Board of Cnty Commissioners | Sterling | — | ◇ UNVERIFIED |
| MMMartin Marietta - Monaghan Materials Fac | Aurora | — | ◇ UNVERIFIED |
| MMMartin Marietta - Pueblo Asphalt Plant | Pueblo | — | ◇ UNVERIFIED |
| MCMcatee Const - Sterling Asphalt Plant | Sterling | — | ◇ UNVERIFIED |
| MEMccormick Excav & Paving - Colorado Ave | Burlington | — | ◇ UNVERIFIED |
| MEMccormick Exc & Paving - Port Hm Asphalt | Stratton | — | ◇ UNVERIFIED |
| MOMesa Oil INC | Arvada W of | — | ◇ UNVERIFIED |
| MAMid America Agriproducts-haxtun | Haxtun Area | — | ◇ UNVERIFIED |
| MCMontrose City | Montrose | — | ◇ UNVERIFIED |
| MCMontrose County | Montrose | — | ◇ UNVERIFIED |
| MSMountain States Paving | Centennial Area | — | ◇ UNVERIFIED |
| NINielsons INC | Cortez | — | ◇ UNVERIFIED |
| NPNorth Park Advantage - North Park Plant | Walden | — | ◇ UNVERIFIED |
| OSOldcastle Sw Group - Cugnini Pit | Durango | — | ◇ UNVERIFIED |
| OSOldcastle Sw Group Dba United Companies | Norwood | — | ◇ UNVERIFIED |
| OSOldcastle Sw Group Dba United CO of Mesa | Rifle | — | ◇ UNVERIFIED |
| OSOldcastle Sw Group Dba United CO of Mesa | Montrose | — | ◇ UNVERIFIED |
| OSOldcastle Sw Group- Tri County Pit | Hotchkiss | — | ◇ UNVERIFIED |
| OSOldcastle Sw Group - Wattenberg West | Brighton, 2.0 Mi Nw of | — | ◇ UNVERIFIED |
| PPPremier Paving INC. Hb: 690 W 62nd | Denver Area | — | ◇ UNVERIFIED |
| RERentech Energy Technology Center, LLC | Commerce City | — | ◇ UNVERIFIED |
| RORex Oil | Denver | — | ◇ UNVERIFIED |
| RORex Oil CO INC | Lyons | — | ◇ UNVERIFIED |
| RGRio Grande Cnty | Del Norte | — | ◇ UNVERIFIED |
| RGRio Grande County Road Dept. | Del Norte | — | ◇ UNVERIFIED |
