| AAgrotoll | Boulder | CO | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| APAir Products Helium INC | Cahone | CO | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| AHAjs Holdings, LLC | Denver | CO | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| AIAnimark INC | Aurora | CO | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| AHApcna Holdings LLC | Denver | CO | Chemical Manufacturing325620 | — | ◇ UNVERIFIED |
| AIArkema INC | Boulder | CO | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| AHArtanis Home | Englewood | CO | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| AFArts Fertilizer | Commerce City | CO | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| BMBanner Manufacturing LLC | Denver | CO | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| BNBenedict Nuclear Pharmaceuticals | Wheat Ridge | CO | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| BBBeyond Broadway, LLC | Denver | CO | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| BNBiochar Now | Berthoud | CO | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| BBiopyure | Arvada | CO | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| BIBio-safe Industries Inc.cn | Denver | CO | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| CICargill, INC. | Sterling/otis | CO | Chemical Manufacturing325312 | — | ◇ UNVERIFIED |
| CCCb CO Manufacturing | Henderson | CO | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| CTCcr Technologies, INC. | Portable | CO | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| CPCeara Products INC | Denver | CO | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| COChae Organics | La Veta | CO | Chemical Manufacturing325620 | — | ◇ UNVERIFIED |
 Charm Industrial - 2290 | Fort Lupton | CO | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| CSChemtrade Solutions INC. | Denver | CO | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| COChevron Oil Shale | Debeque | CO | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| CQColorado Quality Products | Aurora | CO | Chemical Manufacturing325620 | — | ◇ UNVERIFIED |
| CRColorado Rubber and Supply | Denver | CO | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| CPCorden Pharma - Sterling Drive | Boulder | CO | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| CTCounter Top Epoxy LLC | Grand Junction | CO | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| CLCourier Labs | Eaton | CO | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| CCsg | Fort Collins | CO | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| CCCustom Chemical CO INC | Denver | CO | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| DBDenver Biomaterials INC | Evergreen | CO | Chemical Manufacturing325212 | — | ◇ UNVERIFIED |
| DCDenver Corridor | Denver | CO | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| DMDesigner Marble Colors by BroCom LLC | Colorado Springs | CO | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| DIDiversey INC / Bunzl | Aurora | CO | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| DPDixie Petro Chemical | Commerce City | CO | Chemical Manufacturing325000 | — | ◇ UNVERIFIED |
| DADurango Air Tanker Base | Ignacio | CO | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| EREj Renner & Assoc | Denver | CO | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| ECEngineered Coatings, INC | Centennial | CO | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| EIEngineering Innovations | Littleton | CO | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
 Envirotech Services | Evans | CO | Petroleum and Coal Products Manufacturing324199 | — | ◇ UNVERIFIED |
| EFExplosive Fabricators INC Jolly Ranch | Englewood | CO | Chemical Manufacturing325920 | — | ◇ UNVERIFIED |
| ELExtract Labs | Boulder | CO | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| ELExtract Labs INC Headquarters | Lafayette | CO | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| FAFermenta Animal Health CO | Fort Collins | CO | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| FSFive Star Chemicals & Supply | Commerce City | CO | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| FCFlexRock Coatings | Denver | CO | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| FIFlint Ink CORP | Denver | CO | Chemical Manufacturing325910 | — | ◇ UNVERIFIED |
| FBFolium Biosciences, LLC | Colorado Springs | CO | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| FPForsch Polymer Corporation | Englewood | CO | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| FCFort Collins Plastics | Fort Collins | CO | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| GIGevo INC | Arvada | CO | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
