| MBMaverick Biofuels, INC. - M2 Facility | Denver | — | ◇ UNVERIFIED |
| MFMears Fertilizer, INC. - Unit 1 | Monte Vista | — | ◇ UNVERIFIED |
| MLMesser LLC | Cortez | — | ◇ UNVERIFIED |
| MHMile High Labs, INC | Broomfield | — | ◇ UNVERIFIED |
| MEMmi Etoh INC | Golden | — | ◇ UNVERIFIED |
| MCMorgan County Renewable Fuels, LLC | Log Lane Village, 3.5 Mi Sw of | — | ◇ UNVERIFIED |
| MWMurphy Wall Products - Florence | Florence | — | ◇ UNVERIFIED |
| MBMyku Biosciences LLC | Denver | — | ◇ UNVERIFIED |
| NBNapro Biotherapeutics, INC. | Longmont | — | ◇ UNVERIFIED |
| NBNapro Biotherapeutics - Spine Rd | Boulder | — | ◇ UNVERIFIED |
| NDNew Deal Deicing - Denver Plant | Denver | — | ◇ UNVERIFIED |
| OIOkon INC | Lakewood | — | ◇ UNVERIFIED |
| OWOld Western Paint CO INC | Denver | — | ◇ UNVERIFIED |
| PYPanda Yuma Holdings, LLC | Yuma | — | ◇ UNVERIFIED |
| PPPermagreen Products | Arvada | — | ◇ UNVERIFIED |
| PIPhenova INC | Golden | — | ◇ UNVERIFIED |
| PIPka INC Prokrete Ind | Denver | — | ◇ UNVERIFIED |
| PCPlatte Chemical Company | Greeley | — | ◇ UNVERIFIED |
| PCPolyone CORP (was Synergistics Industrie | Denver | — | ◇ UNVERIFIED |
| PCPoole Chemical - Monte Vista, CO | Monte Vista | — | ◇ UNVERIFIED |
| PIPpg Industries-packaging Ink Plant | Arvada | — | ◇ UNVERIFIED |
| PIPraxair INC | Walden | — | ◇ UNVERIFIED |
| PLProligo L.l.c. | Boulder | — | ◇ UNVERIFIED |
| PLProligo LLC | Boulder | — | ◇ UNVERIFIED |
| QSQuicksilver Scientific LLC | Lafayette | — | ◇ UNVERIFIED |
| RARaytheon Aircraft Co(was Beech Aircraft) | Boulder | — | ◇ UNVERIFIED |
| RTRe Trousil CO INC | Louisville | — | ◇ UNVERIFIED |
| SISashco INC | Denver | — | ◇ UNVERIFIED |
| SISashco, INC. | Denver | — | ◇ UNVERIFIED |
| SLScotts Liquid Gold INC | Denver | — | ◇ UNVERIFIED |
| SPSino Promise INC | Windsor | — | ◇ UNVERIFIED |
| STSirna Therapeutics, INC. | Boulder | — | ◇ UNVERIFIED |
| SDSmfi Dba Four Seasons Leisure Products | Montrose | — | ◇ UNVERIFIED |
| SCSolvay Chemicals, INC. Parachute Plant | Parachute | — | ◇ UNVERIFIED |
| SMStarbuds Mips LLC | Commerce City | — | ◇ UNVERIFIED |
| SISterisil INC | Palmer Lake | — | ◇ UNVERIFIED |
| SSSw Shattuck Chemical CO INC | Denver | — | ◇ UNVERIFIED |
| TFThermo Fluids INC | Denver | — | ◇ UNVERIFIED |
| TTolmar | Windsor | — | ◇ UNVERIFIED |
| TTolmar | Fort Collins | — | ◇ UNVERIFIED |
| UDU.s. Dept of Energy - Nlr Bio-refinery | Golden Area | — | ◇ UNVERIFIED |
| USUS Soil Conditioning | Salida | — | ◇ UNVERIFIED |
| VHVail Honeywagon - Honeywagon Organics | Wolcott Area | — | ◇ UNVERIFIED |
| VSVapor Source Hq | Pueblo | — | ◇ UNVERIFIED |
| WMWaste Management of Northern Colorado | Fort Collins | — | ◇ UNVERIFIED |
| WDWestern Disposal, INC | Boulder | — | ◇ UNVERIFIED |
| WDWestern Disposal - Portable Grinder 424 | Boulder Area | — | ◇ UNVERIFIED |
 Western Industrial Contractors | Aurora | — | ◇ UNVERIFIED |
| WHWhole Hemp CO - Folium Biosciences | Pueblo West | — | ◇ UNVERIFIED |
| WHWhole Hemp CO - Folium Biosciences | Colorado Springs | — | ◇ UNVERIFIED |
