| ACAnderson Construction | Alamosa | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CICarder INC | Lamar | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CSCentennial State Paving INC | Pueblo | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| FPFremont Paving & Redi-mix, INC. | Canon City | CO | Petroleum and Coal Products Manufacturing324121 | 20-99 | ◇ UNVERIFIED |
| AIAggregate Industries - Wcr INC | Westminster | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| AIAggregate Industries - Wcr, INC. | Longmont | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| AIAggregate Industries - Wcr, INC. | Greeley | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| AIAggregate Industries - Wcr, INC. | Denver | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| AIAggregate Industries - Wcr INC. Gun Club Ready Mix Plant | Aurora | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| ACA&s Const CO | Salida Area | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| ACAsphalt Constructors - Port. Genset 3028 | Alamosa Area | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| APAsphalt Paving CO | Golden | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| APAsphalt Paving Company | Golden | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| ASAsphalt Specialities CO INC | Henderson | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| ASAsphalt Specialties - 62nd Ave | North Washington | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| ASAsphalt Specialties- As-3 Asphalt Plant | Idaho Springs, 2.8 Mi E of | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| ASAsphalt Specialties -erie Hma Facility | Erie | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| ASAsphalt Specialties - Nelson Mining Reso | Firestone | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| ASAsphalt Specialties - Road 6 Asphalt Pla | Erie | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| ASAsphalt Spec- Moble Recycle Plant #2 | Firestone | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| BOBartkus Oil CO | Longmont | CO | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| BOBartkus Oil CO | Boulder | CO | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| BRBasalt Roofing INC. | Carbondale | CO | Petroleum and Coal Products Manufacturing324122 | — | ◇ UNVERIFIED |
| BSBrannan Sand & Gravel | Denver | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| BSBrannan Sand & Gravel - I-76 Apm | Commerce City Area | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| BABrasier Asphalt | Walden 11.8 Mi. Sw of | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| BPBurdick Paving CO. (cat 3412 Genset) | Roosevelt, Ut | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| BPBurdick Paving CO. (cedarapids Abp) | Rangely Area | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CCCamas Colorado Incorporated Bestway Paving Division | Greeley | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CUChevron USA - Wilson Creek Gas Plt | Meeker | CO | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| CIChs Inc- Yuma Grain Shuttle | Yuma Area | CO | Petroleum and Coal Products Manufacturing324199 | — | ◇ UNVERIFIED |
| CCCity & County of Denver - Roslyn | Denver | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| COCity of Fort Collins Streets Dept | Fort Collins | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| COCity of Montrose | Montrose | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CDColo Dept of Transportation #5010 | Dolores Area | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CAColorado Asphalt Services INC | Commerce City | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CPColorado Petroleum, INC | Denver | CO | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| CRConnell Resources | Fort Collins | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CRConnell Resources- Portable Asphalt Plnt | Craig Area | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CRConnell Resources - Tinmath Connell Pit | Fort Collins Area | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CECoulson Ex. - Brownwood/gardels Pits | Loveland | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CECoulson Excavating Company INC | Loveland | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CACrown Asphalt Products CO (was Petro) | Fruita | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| DCDelta County | Delta Area | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| ECElam Const INC V355 Asphalt Plt | Grand Junction | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| ECElam Const INC V455 Asphalt Plt | Montrose Area | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| ECElam Const - Portable Screen Plant | Grand Junction | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| ECElam Construction Inc-craig Hma Plt | Craig | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| FSFisher Sand and Gravel | Placitas, Nm | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| FPFrontier Paving - Rifle Asphalt Plant | Rifle | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |