| CICaraustar Industries INC. | Denver | CO | Paper Manufacturing322212 | — | ◇ UNVERIFIED |
| CICardinal Indl Finishes INC | Denver | CO | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| CICargill, INC. | Denver | CO | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| CCCbd Clinilabs | Denver | CO | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| CFCcod; Fleet Maintenance Facility | Denver | CO | Fabricated Metal Product Manufacturing332439 | — | ◇ UNVERIFIED |
| CDCentral Denver Iron Works, INC | Denver | CO | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| CGCentury Graphics LTD | Denver | CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| CBChampion Boxed Beef CO | Denver | CO | Food Manufacturing311611 | — | ◇ UNVERIFIED |
| CIChart INC Denver | Denver | CO | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| CSChart Storage Systems - Denver, INC | Denver | CO | Fabricated Metal Product Manufacturing332420 | — | ◇ UNVERIFIED |
| CSChart Storage Systems - Denver, INC | Denver | CO | Fabricated Metal Product Manufacturing332313 | — | ◇ 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 |
| CPC&m Press CORP | Denver | CO | Printing and Related Support Activities323110 | — | ◇ 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 |
| 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 |
| CFConagra Foods - Florence St Bakery | Denver | CO | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| CSConcrete Supply Company Denver | Denver | NC | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ 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 |
| 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 - Westside | Denver | CO | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| DGDilley Graphics INC | Denver | CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| DIDip in Strip | Denver | CO | Furniture and Related Product Manufacturing337121 | — | ◇ UNVERIFIED |
| DPDirect Press | Denver | CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| DSDirect Sign Wholesale | Denver | CO | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| DRDomore Recycling | Denver | CO | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| DMDp Media Network - the Denver Post | Denver | CO | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| EBEast Baltimore Bakery of Denver | Denver | CO | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| EPEastwood Printing & Publishing CO | Denver | CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| EMEaton Metal Products CO | Denver | CO | Fabricated Metal Product Manufacturing332420 | — | ◇ UNVERIFIED |
| EPEgan Printing CO | Denver | CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
