| CSChateau Shutter Dba Amato Shutter | Englewood, CO | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| CICheckers Industrial Safety Products | Broomfield, CO | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| CMChemical & Metal Industries INC | Denver, CO | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| CDChemstation Denver | Denver, CO | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| CIChryso, INC. | Denver, CO | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| CCCity & County of Denver - Roslyn | Denver, CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CDClassic Doorways | Denver, CO | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| CMCleasby Mfg of Denver | Westminster, CO | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| CPC&m Press CORP | Denver, CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| COCnp Operating LLC | Centennial, CO | Food Manufacturing311999 | — | ◇ UNVERIFIED |
| CICobitco, INC. | Denver, CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CCCocks Clark Graphics CO | Denver, CO | Printing and Related Support Activities323120 | — | ◇ UNVERIFIED |
| CFCoffee for a Purpose, INC. | Denver, CO | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| CDColo Dept of Transportation | Denver, CO | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| CAColorado Asphalt Services INC | Commerce City, CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CAColorado Asphalt Services Inc-port Crush | Commerce City, CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CBColorado Brake & Supply CO | Commerce City, CO | Transportation Equipment Manufacturing336340 | — | ◇ UNVERIFIED |
| CCColorado Chemical Specialties Incorporated | Golden, CO | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| CCColorado Contempo LTD | Westminster, CO | Furniture and Related Product Manufacturing337215 | — | ◇ UNVERIFIED |
| CCColorado Contempo LTD - Newport St | Commerce City, CO | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| CIColorado Industrial Painting INC | Denver, CO | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| CLColorado Label and Packaging | Denver, CO | Plastics and Rubber Products Manufacturing326111 | — | ◇ UNVERIFIED |
| CPColorado Paint CO - 4747 Holly Street | Denver, CO | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| CPColorado Petroleum, INC | Denver, CO | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| CSColorado Sign Company | Englewood, CO | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| CCColumbine Container CORP | Aurora, CO | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| CCColumbine Copy and Printing | Englewood, CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| CCColumbine Copy & Printing | Englewood, CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| CRCommercial Resins Company INC. | Henderson, CO | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| CFConagra Foods - Florence St Bakery | Denver, CO | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| CFConagra Foods Packaged Foods - Aurora | Aurora, CO | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| CGCone Geochemical INC | Lakewood, CO | Computer and Electronic Product Manufacturing334516 | — | ◇ UNVERIFIED |
| CSConsolidated Steel Svc | Englewood, CO | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| CBCooper B-line | Aurora, CO | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| CICoorstek, Inc.- South Table Mountain | Golden, CO | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| CPCorrectional Products & Svcs | Westminster, CO | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| CPCrawford Printing Ink INC | Denver, CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| CGCrossfire Graphics, INC. | Denver, CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| CPCrystal Packaging, INC. - 5185 National | Denver, CO | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| CBCustom Building Products - Denc | Berkley, CO | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| CTCustom Tape & Label CO | Denver, CO | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| CECw Elaborations | Denver, CO | Fabricated Metal Product Manufacturing332117 | — | ◇ UNVERIFIED |
| CMCyclo Manufacturing CO | Denver, CO | Plastics and Rubber Products Manufacturing326211 | — | ◇ UNVERIFIED |
| DIDarling Ingredients INC. - 5701 York St | Denver, CO | Food Manufacturing311613 | — | ◇ UNVERIFIED |
| DDData Documents | Denver, CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| DFDawn Foods Products | Denver, CO | Food Manufacturing311822 | — | ◇ UNVERIFIED |
| DCDazbog Coffee Company | Denver, CO | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| DBDenver Bumper Works INC | Denver, CO | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| DCDenver Coca-cola Bottling CO | Denver, CO | Beverage and Tobacco Product Manufacturing312111 | — | ◇ UNVERIFIED |
| DWDenver Water Department | Henderson, CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
