| PAPeerless Alloy INC | Denver | CO | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| PSP&l Scrap Metal Iron INC | Colorado Springs | CO | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| RBRicker Bartlett INC. (dba) Colorado Castings | Estes Park | CO | Primary Metal Manufacturing331528 | — | ◇ UNVERIFIED |
| RMRocky Mountain Radiographic | Englewood | CO | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| RMRosedale Marketing Dba Port-a Stall | Erie | CO | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| SASilver Anvil Engineering Corporation | Golden | CO | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| SDStainless Designs Inc.cn | Fort Collins | CO | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| SVSuper Vacuum Mfg CO INC | Loveland | CO | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| WFWinner Foundries & Mfg CO | Arvada | CO | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| WRWm Recycle America - 48th Ave Facility | Denver | CO | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| ASAccu-Tube - Sheridan | Englewood | CO | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| OCOrigin Castings and Coatings, LLC | Windsor | CO | Primary Metal Manufacturing331313 | — | ◐ LIKELY ACTIVE |
| VIVFORGE INC dba THIXOCAST INC | Lakewood | CO | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| 6S6800 Stapleton, LLC | Denver | CO | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| ARAction Recycling CORP | Denver | CO | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| AEAmax Extractive Research & Development | Golden | CO | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| AIAmerican Iron & Metal CO. INC. | Fowler | CO | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| ADAnderson Die Casting, LLC | Englewood | CO | Primary Metal Manufacturing331523 | — | ◇ UNVERIFIED |
| ACApex Consulting | Thornton | CO | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| AAArapahoe Aluminum Foundry | Englewood | CO | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| AMArk-valley Metal Processing INC | Pueblo | CO | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| BFBlue Fabrication INC | Delta | CO | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| CMCast Machined Products, INC. | Denver | CO | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| CPClimax Performance Material | Golden | CO | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| CSColorado Steel & Wire CO | Loveland | CO | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| CIColumbine Iron & Metal | Erie | CO | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| DLDualDraw, LLC | Denver | CO | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| FCFreeport-mcmoran Copper & Gold | Salida | CO | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| GSGold Star Holdings LLC | Byers | CO | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| HRHarris Rebar Salt Lake INC | Commerce City | CO | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| HCHarsco Corporation | Pueblo | CO | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
 High Tek Tube CORP | Denver | CO | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| IMIdarado Mine | Ouray, 5.1 Mi S of | CO | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| IWIndustrial Welding & Fabrications LLC | Pueblo | CO | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| IInterpro | Boulder | CO | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| JAJoseph's Artworks, INC. | Englewood | CO | Primary Metal Manufacturing331528 | — | ◇ UNVERIFIED |
| LELands End Sculpture Center, INC. | Paonia | CO | Primary Metal Manufacturing331529 | — | ◇ UNVERIFIED |
| LFLb Foster Company- Arp Plant | Pueblo | CO | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| LALeo's Automotive LLC | Littleton | CO | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| MAMad Acres LLC | Morrison | CO | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| NSNatl Smelting & Refining CO | Commerce City | CO | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| PPParallel Products of Colorado | Greeley | CO | Primary Metal Manufacturing331312 | — | ◇ UNVERIFIED |
| PPmr | Englewood | CO | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| PMPrecious Metal Refiners, INC. | Englewood | CO | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| PWPrecision Welding LLC | Wellington | CO | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| PCPrototype Castings INC. | Commerce City | CO | Primary Metal Manufacturing331523 | — | ◇ UNVERIFIED |
| QIQualchem INC. | Unincorporated Jeffco | CO | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| QBQuanex Building Products | Denver | CO | Primary Metal Manufacturing331316 | — | ◇ UNVERIFIED |
| RBRicker Bartlett INC. (dba) Col Orado Castings | Loveland | CO | Primary Metal Manufacturing331528 | — | ◇ UNVERIFIED |
| RMRocky Mountain Rebar | Delta | CO | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
