| CCCascade Const- Alliance Ready Mix | Delta Area | CO | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| CCCastle Concrete CO | El Paso County | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CCCastle Concrete CO - Pikeview Quarry | Colorado Springs | CO | Nonmetallic Mineral Product Manufacturing327000 | — | ◇ UNVERIFIED |
| CCCattlemans Choice Loomix LLC | Johnstown | CO | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| CCCbd Clinilabs | Denver | CO | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| CFCcod; Fleet Maintenance Facility | Denver | CO | Fabricated Metal Product Manufacturing332439 | — | ◇ UNVERIFIED |
| CPCcw Products INC | Arvada | CO | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| CDC & D Printing INC | Englewood | CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| CCCedar Creek, LLC - 2000 W Oxford Ave | Englewood | CO | Wood Product Manufacturing321213 | — | ◇ UNVERIFIED |
| CCCelestica Corporation - Tech Parkway | Fort Collins | CO | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| CGCentennial Graphics | Lakewood | CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| CDCentral Denver Iron Works, INC | Denver | CO | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| CGCentury Graphics LTD | Denver | CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| CCCeramed CORP | Lakewood | CO | Miscellaneous Manufacturing339113 | — | ◇ UNVERIFIED |
| CMC.f. Maier Composites INC - See 059/1318 | Golden | CO | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| CBChampion Boxed Beef CO | Denver | CO | Food Manufacturing311611 | — | ◇ UNVERIFIED |
| CSChart Storage Systems - Denver, INC | Denver | CO | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| CSChart Storage Systems - Denver, INC | Denver | CO | Fabricated Metal Product Manufacturing332420 | — | ◇ UNVERIFIED |
| CBChata Biosystems LLC a Part of Boval CO LP | Loveland | CO | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| CSChateau Shutter | Englewood | CO | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| CSChateau Shutter Dba Amato Shutter | Englewood | CO | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| CRChemetron Railway Products | Pueblo | CO | Transportation Equipment Manufacturing336510 | — | ◇ UNVERIFIED |
| CMChemical & Metal Industries INC | Denver | CO | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| CUChevron USA - Wilson Creek Gas Plt | Meeker | CO | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| CIChs Inc- Yuma Grain Shuttle | Yuma Area | CO | Petroleum and Coal Products Manufacturing324199 | — | ◇ UNVERIFIED |
| CLChuck Lorentz | Montrose | CO | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| CWCircuits West INC | Longmont | CO | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| CCCity & County of Denver - Roslyn | Denver | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| COCity of Fort Collins Streets Dept | Fort Collins | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| COCity of Montrose | Montrose | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CDClassic Doorways | Denver | CO | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| CSClassic Surfaces Gj, LLC | Grand Junction | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| CPC&m Press CORP | Denver | CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| COCnp Operating Eaton | Eaton | CO | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| COCnp Operating LLC | Centennial | CO | Food Manufacturing311999 | — | ◇ UNVERIFIED |
| CACO Alfalfa Products | Milliken | CO | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| CFCoffee for a Purpose, INC. | Denver | CO | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| CHCoffee Holding CO INC | La Junta | CO | Machinery Manufacturing333241 | — | ◇ UNVERIFIED |
| CCCollins Collision Products | Loveland | CO | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| CDColo Dept of Transportation #5010 | Dolores Area | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CAColorado Aggregate | San Acacio | CO | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| CAColorado Asphalt Services INC | Commerce City | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CBColorado Blue Ribbon Foods | Rocky Ford | CO | Food Manufacturing311712 | — | ◇ UNVERIFIED |
| CBColorado Brake & Supply CO | Commerce City | CO | Transportation Equipment Manufacturing336340 | — | ◇ UNVERIFIED |
| CBColorado Bridge & Iron INC | Fruita | CO | Fabricated Metal Product Manufacturing332312 | — | ◇ 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 |
| CCColorado Creative Decor | Littleton | CO | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| CCColorado Curlys Specialty Plating | Colorado Springs | CO | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| CGColorado Gourmet Potatoes, LLC | Center | CO | Food Manufacturing311423 | — | ◇ UNVERIFIED |
