| CSCadet Sheet Metal, INC. | Denver | CO | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CCain-t-square | Denver | CO | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| CCCapitol Color Imaging | Denver | CO | Printing and Related Support Activities323120 | — | ◇ UNVERIFIED |
| CPCapitol Packaging Company | Denver | CO | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| CICaretek INC | Denver | CO | Printing and Related Support Activities323119 | — | ◇ UNVERIFIED |
| CCCarpenter Company INC | Denver | CO | Plastics and Rubber Products Manufacturing326121 | — | ◇ UNVERIFIED |
| CWCart Works Company, INC. | Denver | CO | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CMCast Machined Products, INC. | Denver | CO | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| CCCAVE Consulting, PBC | Denver | CO | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| CMCb Manufacturing Company INC | Denver | CO | Beverage and Tobacco Product Manufacturing312111 | — | ◇ UNVERIFIED |
| CPCeara Products INC | Denver | CO | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| CDCenturion Discovery Inc | Denver | CO | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| CSChemtrade Solutions INC. | Denver | CO | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| CBCity Bakery, LLC | Denver | CO | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| CMClassic Metals | Denver | CO | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| CClotheory | Denver | CO | Apparel Manufacturing315990 | — | ◇ UNVERIFIED |
| CTCobre Tires & Service | Denver | CO | Plastics and Rubber Products Manufacturing326212 | — | ◇ UNVERIFIED |
| CBCohesion Brewing LTD | Denver | CO | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| CRColorado Rubber and Supply | Denver | CO | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| CTColorado Tanning & Fur Dressing | Denver | CO | Leather and Allied Product Manufacturing316110 | — | ◇ UNVERIFIED |
| CTColorado Tax, Insurance & Financial Services LLC | Denver | CO | Computer and Electronic Product Manufacturing334514 | — | ◇ UNVERIFIED |
| CGColor Glo | Denver | CO | Leather and Allied Product Manufacturing316998 | — | ◇ UNVERIFIED |
| CGColor Graphix INC | Denver | CO | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| CCCommunity Clay, LLC | Denver | CO | Nonmetallic Mineral Product Manufacturing327110 | — | ◇ UNVERIFIED |
| CCConsolidated Container Company | Denver | CO | Plastics and Rubber Products Manufacturing326160 | — | ◇ UNVERIFIED |
| CIContainer Industries INC | Denver | CO | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| CMContemporary Metal Furnishings, INC. | Denver | CO | Furniture and Related Product Manufacturing337124 | — | ◇ UNVERIFIED |
| CKCopper Kettle Brewing Company LLC | Denver | CO | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| CNCosentino North America | Denver | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| CSC Squared Ciders LLC | Denver | CO | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| CVC&s Ventures, INC. | Denver | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| CCCustom Chemical CO INC | Denver | CO | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| CECustom Edge Marble & Granite LLC | Denver | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| CGCustom Granite Interiors, LLC | Denver | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| CMCustom Millwork Specialties INC | Denver | CO | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| CECutting Edge Granite | Denver | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| CWC W Elaborations | Denver | CO | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| DADaffy Apple CORP. | Denver | CO | Food Manufacturing311340 | — | ◇ UNVERIFIED |
| DCDakolios Const Portable | Denver | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
 Daktronics, INC. | Denver | CO | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| DIDalco Industries, INC. | Denver | CO | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| DBDanico Brewing Company, LLC | Denver | CO | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| DCDecorative & Coating Systems INC | Denver | CO | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| DBDenpak Building Products INC | Denver | CO | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| DBDenver Bias INC | Denver | CO | Apparel Manufacturing315210 | — | ◇ UNVERIFIED |
| DBDenver Bias, INC | Denver | CO | Apparel Manufacturing315210 | — | ◇ UNVERIFIED |
| DBDenver Bookbinding CO | Denver | CO | Printing and Related Support Activities323120 | — | ◇ UNVERIFIED |
| DCDenver Corridor | Denver | CO | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| DFDenver Federal Center | Denver | CO | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| DMDenver Marble Concepts | Denver | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
