| KSKiewit - Sedalia Asphalt Plant | Sedalia | — | ◐ LIKELY ACTIVE |
| LGLafarge Gordon Asphalt | Denver | — | ◐ LIKELY ACTIVE |
| LWLafarge West, INC. | Fort Collins Area | — | ◐ LIKELY ACTIVE |
| MMMartin Marietta - Monaghan Asphalt | Aurora | — | ◐ LIKELY ACTIVE |
| MMMartin Marietta - Spec Agg | Golden | — | ◐ LIKELY ACTIVE |
| MMMartin Marietta - Taft Asphalt | Fort Collins | — | ◐ LIKELY ACTIVE |
| OSOldcastle Sw Group Dba United CO of Mesa | Grand Junction | — | ◐ LIKELY ACTIVE |
| OSOldcastle Sw - Trinidad Hma Gen | Trinidad | — | ◐ LIKELY ACTIVE |
| OROxford Recycling INC | Englewood | — | ◐ LIKELY ACTIVE |
| PAPueblo Asphalt Plant | Pueblo | — | ◐ LIKELY ACTIVE |
| RMRocky Mountain Materials & Asphalt INC | Colorado Springs | — | ◐ LIKELY ACTIVE |
| SCSchmidt Const CO - Fountain Pit | Fountain | — | ◐ LIKELY ACTIVE |
| SCSchmidt Const CO INC Mencenberg Quarry | Castle Rock | — | ◐ LIKELY ACTIVE |
| SCSchmidt Const CO - Menzer | Colorado Springs | — | ◐ LIKELY ACTIVE |
| SRSmyrna Ready Mix Concrete, LLC - Spec Agg Ready Mix | Golden | — | ◐ LIKELY ACTIVE |
| S3Strohecker - 300 Cr 302 Asphalt Plant | Pagosa Springs Area | — | ◐ LIKELY ACTIVE |
| AIAggregate Industries - Wcr INC | Westminster | — | ◇ UNVERIFIED |
| AIAggregate Industries - Wcr, INC. | Longmont | — | ◇ UNVERIFIED |
| AIAggregate Industries - Wcr, INC. | Greeley | — | ◇ UNVERIFIED |
| AIAggregate Industries - Wcr, INC. | Denver | — | ◇ UNVERIFIED |
| AIAggregate Industries - Wcr INC. Gun Club Ready Mix Plant | Aurora | — | ◇ UNVERIFIED |
| ACA&s Const CO | Salida Area | — | ◇ 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 -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 | Longmont | — | ◇ UNVERIFIED |
| BOBartkus Oil CO | Boulder | — | ◇ UNVERIFIED |
| BRBasalt Roofing INC. | Carbondale | — | ◇ UNVERIFIED |
| BSBrannan Sand & Gravel | Denver | — | ◇ UNVERIFIED |
| BSBrannan Sand & Gravel - I-76 Apm | Commerce City Area | — | ◇ 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 |
| 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 |
| CDColo Dept of Transportation #5010 | Dolores Area | — | ◇ UNVERIFIED |
| CAColorado Asphalt Services INC | Commerce City | — | ◇ UNVERIFIED |
| CPColorado Petroleum, INC | Denver | — | ◇ UNVERIFIED |
| CRConnell Resources | Fort Collins | — | ◇ UNVERIFIED |
