| DLDominic Leone Const. | Trinidad | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| DKDon Kehn Const INC | Fort Collins | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| DKDon Kehn Const INC | Fort Collins | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| DPDuggan Petroleum | Littleton | CO | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| EAEconomy Asphalt & Concrete Services, LLC | Denver | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| ECElam Const INC V855 Asphalt Plt | Mesa County | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| ERElam Roland Hma Plant | Grand Junction | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
 Envirotech Services | Evans | CO | Petroleum and Coal Products Manufacturing324199 | — | ◇ UNVERIFIED |
| EEErickson Environmental | Out of State | CO | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| FUFarmers Union Coop | Denver | CO | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| FCFast Const CO | Commerce City | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| FKFj Kent | Vail | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| FPFlatiron Paving | Breckenridge | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| FAFlorence Asphalt | Portable | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| FAFlorence Asphalt CO | Florence | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| GOGeorge Oil | Lafayette | CO | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| GHGerald H. Phipps (con-e-co Lo Pro Cbp) | Denver | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| GSGil Son Paving CO Various Sites | Castle Rock | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| GCGrand Const | Montrose | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| GRGrand River Const CO | Glenwood Springs | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| GCGranite Construction Company | Salt Lake City, Ut | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| GIGreenlight Investments LLC | Loveland | CO | Petroleum and Coal Products Manufacturing324122 | — | ◇ UNVERIFIED |
| GOG&s Oil Products INC | Boulder | CO | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| GCGunnison CO Asphalt | Gunnison | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| H3Highway 34 Facility | Johnstown | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| HIHotmix INC Portable Facility | Englewood | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| KWKiewet Western Company | Littleton | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| KWKiewit Western CO. (astec Abp) | Colorado Springs | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| LWLafarge West, INC. | Boulder Area | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| LWLea Win INC | Fort Lupton, 6.8 Mi Ne of | CO | Petroleum and Coal Products Manufacturing324199 | — | ◇ UNVERIFIED |
| LCLedcor Cmi - Port Generator | Montrose Area | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| LCLongmont Co-op | Longmont | CO | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| MMMartin Marietta - Monaghan Asphalt | Aurora | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| MPMcatee Paving CO | Logan County | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| MOMerchants Oil - Merchants Oil - | Denver | CO | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| MOMesa Oil INC | Golden | CO | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| MGMountain Gravel & Construction CO | Cortez | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| NENorthwestern Engineering | Commerce City | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| OPOffen Petroleum INC | Commerce City | CO | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| OSOldcastle Sw Group Dba United CO of Mesa | Gunnison 2.6 Mi. E of | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| OSOldcastle Sw Group, INC. - Asphalt Plant | Mancos Area | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| OOOxy Occidental Petroleum Corporation | Denver | CO | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| PCPalisade Const CO | Meeker | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| PRPavement Reclaiming Concepts | Fort Collins | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| PSPetro Source Refining CORP | Fruita | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| P6Phillips 66 - Former Oriental Refinery | Alamosa Area | CO | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| PCPopejoy Const | Larkspur | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| PPPueblo Paving CO. | Pueblo | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| PCPurecycle CORP | Commerce City | CO | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| RGRed Giant Oil Company LLC | Denver | CO | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
