| BSBrown-strauss Steel | Aurora | CO | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CSCadet Sheet Metal, INC. | Denver | CO | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CICameron International | Grand Junction | CO | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| CWCart Works Company, INC. | Denver | CO | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CCC & C Manufacturing CORP. | Englewood | CO | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CDC & D Metal Products, INC. | Thornton | CO | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| CSCfg Systems INC Dba Concelafab Corporation | Colorado Springs | CO | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
 Chandler Industries, INC. | Littleton | CO | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CMChi Manufacturing, INC. | Englewood | CO | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| CPCic Precision Machining | Golden | CO | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| CMClassic Metals | Denver | CO | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| CSClean Strip | Englewood | CO | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| CSClock Spring / Nri | Centennial | CO | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| CDCoalesce Design and Fabrication | Boulder | CO | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CSCogswell & Spacely Land Co., LTD | Colorado Springs | CO | Fabricated Metal Product Manufacturing332911 | — | ◇ UNVERIFIED |
| CCCole CNC LLC | Fort Morgan | CO | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| CBColorado Basic Elements, LLC | Fort Collins | CO | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CFColorado Forge CORP | Colorado Springs | CO | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
| CMColorado Metal Finishing | Colorado Springs | CO | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| CPColorado Powder Coating | Commerce City | CO | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| CPColorado Precision Machining | Arvada | CO | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| CCColumbia Chrome Ind LTD | Durango | CO | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| CSCopeland Supply Company, LLC | Fruita | CO | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| CWCreative Welding & Fabrication LLC | Fort Collins | CO | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| CWCustom Window CO. | Englewood | CO | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| CACut Apart Metal Art | Aurora | CO | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| CWC W Elaborations | Denver | CO | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| DIDalco Industries, INC. | Denver | CO | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| DLDamtech LLC | Bayfield | CO | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| DEDanson Enterprises, LLC | Fort Collins | CO | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| DFDave's Flow Measurement, LLC | Fort Collins | CO | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| DCDecorative & Coating Systems INC | Denver | CO | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| DRDelta Rigging and Tools | Grand Junction | CO | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| DBDenpak Bldg Products INC | Adams Cnty | CO | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| DBDenpak Building Products INC | Denver | CO | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| DSDe Steel, INC | Calhan | CO | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| DMDigital Machining, LLC | Berthoud | CO | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| DLDik & Lu 2365 LLC | Denver | CO | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| DLDkmm, LLC | Commerce City | CO | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| DRDLT Rental | Brighton | CO | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| DSDmd Stainless Fabricators | Denver | CO | Fabricated Metal Product Manufacturing332116 | — | ◇ UNVERIFIED |
| DADMS Acquisitions, Inc. | Commerce City | CO | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| ESEaglespan Steel Structures, INC. | Johnstown | CO | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| ESEidson Steel Products, INC. | Albuquerque, Nm | CO | Fabricated Metal Product Manufacturing332420 | — | ◇ UNVERIFIED |
| E3Elementum 3d | Erie | CO | Fabricated Metal Product Manufacturing332117 | — | ◇ UNVERIFIED |
| ESElward Systems Corporation | Lakewood | CO | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| ECEminent Creations and Repair, Inc. | Creede | CO | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| EDEngineered Data Products | Denver | CO | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| EDEps - Doublet | Aurora | CO | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| EMErickson Metals of Colorado, INC. | Denver | CO | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
