| AIAggregate Industries - Wcr, INC. | Longmont | — | ◇ UNVERIFIED |
| AIAggregate Industries - Wcr INC. Gun Club Ready Mix Plant | Aurora | — | ◇ UNVERIFIED |
| ABAmerican Blackline Coatings INC | Denver | — | ◇ UNVERIFIED |
| ACA&s Const CO | Salida Area | — | ◇ UNVERIFIED |
| ACAsphalt Constructors INC | Alamosa | — | ◇ UNVERIFIED |
| ACAsphalt Constructors - Port. Genset 3028 | Alamosa Area | — | ◇ UNVERIFIED |
| APAsphalt Paving CO | Golden | — | ◇ UNVERIFIED |
| APAsphalt Paving Company | Golden | — | ◇ UNVERIFIED |
| ASAsphalt Specialities CO INC | Henderson | — | ◇ UNVERIFIED |
| ASAsphalt Specialties - 62nd Ave | North Washington | — | ◇ UNVERIFIED |
| ASAsphalt Specialties- As-3 Asphalt Plant | Idaho Springs, 2.8 Mi E of | — | ◇ UNVERIFIED |
| ASAsphalt Specialties Co, INC | Henderson | — | ◇ UNVERIFIED |
| ASAsphalt Specialties CO INC - 6555 Huron | Denver | — | ◇ UNVERIFIED |
| ASAsphalt Specialties -erie Hma Facility | Erie | — | ◇ UNVERIFIED |
| ASAsphalt Specialties - Nelson Mining Reso | Firestone | — | ◇ UNVERIFIED |
| ASAsphalt Specialties - Road 6 Asphalt Pla | Erie | — | ◇ UNVERIFIED |
| ASAsphalt Spec- Moble Recycle Plant #2 | Firestone | — | ◇ UNVERIFIED |
| BOBartkus Oil CO | Boulder | — | ◇ UNVERIFIED |
| BOBartkus Oil CO | Longmont | — | ◇ UNVERIFIED |
| BEB&b Excavating | Vail 1.5 Mi W Eagle Cnty | — | ◇ UNVERIFIED |
| BSBrannan Sand & Gravel | Denver | — | ◇ UNVERIFIED |
| BSBrannan Sand & Gravel - I-76 Apm | Commerce City Area | — | ◇ UNVERIFIED |
| BSBrannan Sand & Grvael - South Asphalt Pl | Louviers | — | ◇ UNVERIFIED |
| BABrasier Asphalt | Walden 11.8 Mi. Sw of | — | ◇ UNVERIFIED |
| BPBurdick Paving CO. (cat 3412 Genset) | Roosevelt, Ut | — | ◇ UNVERIFIED |
| BPBurdick Paving CO. (cedarapids Abp) | Rangely Area | — | ◇ UNVERIFIED |
| CCCamas Colorado Incorporated Bestway Paving Division | Greeley | — | ◇ UNVERIFIED |
| CICarder INC | Mc Clave | — | ◇ UNVERIFIED |
| CICarder INC | Lamar | — | ◇ UNVERIFIED |
| CUChevron USA - Wilson Creek Gas Plt | Meeker | — | ◇ UNVERIFIED |
| CIChs Inc- Yuma Grain Shuttle | Yuma Area | — | ◇ UNVERIFIED |
| CCCity & County of Denver - Roslyn | Denver | — | ◇ UNVERIFIED |
| COCity of Fort Collins Streets Dept | Fort Collins | — | ◇ UNVERIFIED |
| COCity of Montrose | Montrose | — | ◇ UNVERIFIED |
| CICobitco, INC. | Denver | — | ◇ UNVERIFIED |
| CDColo Dept of Transportation #5006 | Sterling | — | ◇ UNVERIFIED |
| CDColo Dept of Transportation #5010 | Dolores Area | — | ◇ UNVERIFIED |
| CAColorado Asphalt Services INC | Commerce City | — | ◇ UNVERIFIED |
| CAColorado Asphalt Services Inc-port Crush | Commerce City | — | ◇ UNVERIFIED |
| CPColorado Petroleum, INC | Denver | — | ◇ UNVERIFIED |
| CRConnell Resources- Portable Asphalt Plnt | Craig Area | — | ◇ UNVERIFIED |
| CRConnell Resources - Tinmath Connell Pit | Fort Collins Area | — | ◇ UNVERIFIED |
| CCCorn Const CO | Grand Junction | — | ◇ UNVERIFIED |
| CCCorn Const No 3 | Grand Junction | — | ◇ UNVERIFIED |
| CECoulson Ex. - Brownwood/gardels Pits | Loveland | — | ◇ UNVERIFIED |
| CECoulson Excavating Company INC | Loveland | — | ◇ UNVERIFIED |
| CPCox Petroleum | Longmont | — | ◇ UNVERIFIED |
| CACrown Asphalt Products CO (was Petro) | Fruita | — | ◇ UNVERIFIED |
| DCDelta Cnty Pig Mesa Pit Asphalt Plt | Delta | — | ◇ UNVERIFIED |
| DCDelta County | Delta Area | — | ◇ UNVERIFIED |
