| CSChart Storage Systems - Denver, INC | Denver | — | ◇ UNVERIFIED |
| CSChart Storage Systems - Denver, INC | Denver | — | ◇ UNVERIFIED |
| CMCleasby Mfg of Denver | Westminster | — | ◇ UNVERIFIED |
| CCCollins Collision Products | Loveland | — | ◇ UNVERIFIED |
| CBColorado Bridge & Iron INC | Fruita | — | ◇ UNVERIFIED |
| CCColorado Curlys Specialty Plating | Colorado Springs | — | ◇ UNVERIFIED |
| CIColorado Industrial Painting INC | Denver | — | ◇ UNVERIFIED |
| CMColorado Machinery | Colorado Springs | — | ◇ UNVERIFIED |
| CRCommercial Resins Company INC. | Henderson | — | ◇ UNVERIFIED |
| CBCooper B-line | Aurora | — | ◇ UNVERIFIED |
| CECw Elaborations | Denver | — | ◇ UNVERIFIED |
| DBDenver Bumper Works INC | Denver | — | ◇ UNVERIFIED |
| DEDigital Equipment | Colorado Springs | — | ◇ UNVERIFIED |
| DMDiversified Metal Products, INC | Englewood | — | ◇ UNVERIFIED |
| DEDragon Esp | Lamar | — | ◇ UNVERIFIED |
 Drake Williams Steel | Aurora | — | ◇ UNVERIFIED |
| ESEaglespan Steel Structures | Fort Collins | — | ◇ UNVERIFIED |
| EAEaton Aviation Corporation | Aurora | — | ◇ UNVERIFIED |
| EMEaton Metal Products CO | Denver | — | ◇ UNVERIFIED |
| EIElectrasteel INC | Boulder | — | ◇ UNVERIFIED |
| FUFhe USA - 1597 Cipolla Road | Fruita | — | ◇ UNVERIFIED |
| FLFinishes LTD | Colorado Springs | — | ◇ UNVERIFIED |
| FIFintech INC | Denver | — | ◇ UNVERIFIED |
| FFFossil Fuel Energy Services | Fort Lupton | — | ◇ UNVERIFIED |
| FRFront Range Fabrications INC | Denver | — | ◇ UNVERIFIED |
| FRFront Range Plating INC | Englewood | — | ◇ UNVERIFIED |
| FRFront Range Steel INC | Wellington | — | ◇ UNVERIFIED |
| FBFruita Body & Paint | Grand Junction | — | ◇ UNVERIFIED |
| GDGardner Denver | Henderson | — | ◇ UNVERIFIED |
| GSGates & Son | Denver | — | ◇ UNVERIFIED |
| GIG.b.c. INC | Lakewood | — | ◇ UNVERIFIED |
| GOGe Oil & Gas Pressure Ctrl - 841 21 1/2 | Grand Junction | — | ◇ UNVERIFIED |
| GPGood Paint, LLC | Commerce City | — | ◇ UNVERIFIED |
| GPGood Paint LLC - 6292 Colorado Blvd | Commerce City | — | ◇ UNVERIFIED |
| GPGood Paint, Llc-metal Finishing Facilty | Commerce City | — | ◇ UNVERIFIED |
| GJGrand Junction Steel LLC | Grand Junction | — | ◇ UNVERIFIED |
| HSHd Supply Construction Supply, LTD Wc043 | Fort Collins | — | ◇ UNVERIFIED |
| HLHeggem Lundquist | Denver | — | ◇ UNVERIFIED |
| HFHirsh Finishes, Dba Best Finishes, LLC | Colorado Springs | — | ◇ UNVERIFIED |
| ICIndustrial Container Services CO LLC | Brighton | — | ◇ UNVERIFIED |
| IWInnov Wire Technology INC | Colorado Spgs | — | ◇ UNVERIFIED |
| ISIntermountain Steel | Colorado Springs | — | ◇ UNVERIFIED |
| JCJemm CO | Denver | — | ◇ UNVERIFIED |
| KMKayline Mfg | Denver | — | ◇ UNVERIFIED |
| KAK&g Associates Dba Sigma Metals INC | Colorado Springs | — | ◇ UNVERIFIED |
| KKK & K Painting INC | Berthoud | — | ◇ UNVERIFIED |
| KCKloppenberg & CO | Sheridan | — | ◇ UNVERIFIED |
| KMKnudson Mfg INC | Broomfield | — | ◇ UNVERIFIED |
| KPKomac Paint INC | Denver | — | ◇ UNVERIFIED |
| LRLake Region Medical | Arvada | — | ◇ UNVERIFIED |
