| LOLeitner-poma of America INC | Grand Junction | — | ◇ UNVERIFIED |
| LPLincoln Plating CO | Denver | — | ◇ UNVERIFIED |
| LWLuxury Wheels O E Plating | Grand Junction | — | ◇ UNVERIFIED |
| MVMark Vii Equipment Incorporated | Arvada | — | ◇ UNVERIFIED |
| MDMarquis Dental Mfg CO INC | Aurora | — | ◇ UNVERIFIED |
| MSMarshall Steel Services INC. | Arvada | — | ◇ UNVERIFIED |
| MMMaxcor Manufacturing INC | Colorado Springs | — | ◇ UNVERIFIED |
| MPMetal Packaging International | Northglenn | — | ◇ UNVERIFIED |
| MIMetaltech Industries INC | Longmont | — | ◇ UNVERIFIED |
| MMMicro Metals | Colorado Springs | — | ◇ UNVERIFIED |
| MAMid America Plating | Denver | — | ◇ UNVERIFIED |
| MMMidwest Machine Products INC | Golden | — | ◇ UNVERIFIED |
| MIMinco Incorporated | Colorado Springs | — | ◇ UNVERIFIED |
| MMM & M Tank & Tower | Greeley | — | ◇ UNVERIFIED |
| MFMod Finishes | Colorado Springs | — | ◇ UNVERIFIED |
| MMMorrison Metal Finishing CORP (mact Only | Denver | — | ◇ UNVERIFIED |
| MMMorrison Metal Finishing Corporation | Denver | — | ◇ UNVERIFIED |
| MSMountain States Sheet Metal | Pueblo | — | ◇ UNVERIFIED |
| NUNeoplan USA CORP | Lamar | — | ◇ UNVERIFIED |
| OMOne More Part Dba Omp | Longmont | — | ◇ UNVERIFIED |
| PHParker Hannifin Corporation, Wilkerson | Englewood | — | ◇ UNVERIFIED |
| PCPcc Composites | Frederick | — | ◇ UNVERIFIED |
| PCPcc Composites.cn | Longmont | — | ◇ UNVERIFIED |
| PPPeak Plating.cn | Colorado Springs | — | ◇ UNVERIFIED |
| PTPike Tool & Grinding Incorporated | Colorado Springs | — | ◇ UNVERIFIED |
| PSPlating Specialities | Grand Junction | — | ◇ UNVERIFIED |
| PCPowder Coating Specialities - Pcs | Golden | — | ◇ UNVERIFIED |
| PMPrecision Metal Finishing | Grand Junction | — | ◇ UNVERIFIED |
| QLQuality Linings Company INC | Denver | — | ◇ UNVERIFIED |
 Quality Metal Products INC. | Lakewood | — | ◇ UNVERIFIED |
| RIRbi INC | Platteville | — | ◇ UNVERIFIED |
| RPRbm Precision Metal Products | Colorado Springs | — | ◇ UNVERIFIED |
| RSRedi Services LLC - Metal Parts Coating | Platteville | — | ◇ UNVERIFIED |
| RIRex Iron & Machine Products INC | Denver | — | ◇ UNVERIFIED |
| RMRocky Mountain Metal Finishers | Colorado Springs | — | ◇ UNVERIFIED |
| RMRocky Mountain Orthodontic, INC. | Denver | — | ◇ UNVERIFIED |
| RMRocky Mountain Orthodontics | Denver | — | ◇ UNVERIFIED |
| RWRoyal Wolf Storage Containers | Commerce City | — | ◇ UNVERIFIED |
| SESchott Electronic Packaging | Golden | — | ◇ UNVERIFIED |
| SWSilver Weibull | Aurora | — | ◇ UNVERIFIED |
| SFSteel Fabricators, INC. | Fort Collins | — | ◇ UNVERIFIED |
| SCSteelstar Corporation | Dacono | — | ◇ UNVERIFIED |
| SMStemco Mfg | Denver | — | ◇ UNVERIFIED |
| SMStg/industrialex Manufacturing | Colorado Springs | — | ◇ UNVERIFIED |
| SCSunward CORP | Louviers | — | ◇ UNVERIFIED |
| SLSwiss Lenox | Arvada | — | ◇ UNVERIFIED |
| TPTaint Paint Powder Coatings of Colo Spgs | Colorado Springs | — | ◇ UNVERIFIED |
| TMTeilhaber Manufacturing Corporation | Broomfield | — | ◇ UNVERIFIED |
| TITenere INC Wheat Ridge Div.cn | Wheat Ridge | — | ◇ UNVERIFIED |
| TIThe Iron Factory, INC. | Grand Junction | — | ◇ UNVERIFIED |
