| Xymat Milling, Turning, Bending, Laser, Welding, Waterjet, EDM, Metal AM · ISO 9001, AS9100 | Colorado Springs, CO | MillingTurningBendingLaserWeldingWaterjetEDMMetal AM | ISO 9001, AS9100 |
| Deltisan Engineering LLC Milling, Turning, Punching, Bending, Welding, Finishing, Assembly · ISO 9001 | Parker, CO | MillingTurningPunchingBendingWeldingFinishingAssembly | ISO 9001 |
| Denver Precision Products Turning, Bending | Broomfield, CO | TurningBending | - |
| Eccentroid LLC Milling, Welding, Stamping | Loveland, CO | MillingWeldingStamping | - |
| Electro Mechanical Products Assembly · ISO 9001 | Lakewood, CO | Assembly | ISO 9001 |
| Faustson Tool Milling, Turning, EDM | Arvada, CO | MillingTurningEDM | - |
| Frontier Metal Stamping Inc Milling, Bending, Welding, Stamping, Finishing · ISO 9001 | Erie, CO | MillingBendingWeldingStampingFinishing | ISO 9001 |
| Hexagon Machine & Manufacturing LLC Milling, Assembly · ISO 9001, AS9100 | Longmont, CO | MillingAssembly | ISO 9001, AS9100 |
| MBK Machine Corp Milling, Turning, Laser, EDM, Grinding · ITAR | Mead, CO | MillingTurningLaserEDMGrinding | ITAR |
| Metron Machining LLC Milling, Metal AM · AS9100, ITAR, CMMC | Lakewood, CO | MillingMetal AM | AS9100, ITAR, CMMC |
| Monson Manufacturing Milling · ISO 9001, AS9100, ITAR | Colorado Springs, CO | Milling | ISO 9001, AS9100, ITAR |
| N.G. Machining, LLC Milling, Grinding | Colorado Springs, CO | MillingGrinding | - |
| Oakes Manufacturing LLC Milling, Turning, Assembly · ISO 9001 | Fort Collins, CO | MillingTurningAssembly | ISO 9001 |
| Praesidm Milling, Turning · ISO 9001, AS9100 | Evergreen, CO | MillingTurning | ISO 9001, AS9100 |
| Precise Cast Prototypes & Engineering Inc Milling, Casting | Commerce City, CO | MillingCasting | - |
| Precision Machined Products, LLC Milling, Turning, EDM, Grinding, Assembly · ISO 9001 | Fort Collins, CO | MillingTurningEDMGrindingAssembly | ISO 9001 |
| Preece Machining & Assembly, LLC Milling, Turning, Finishing, Assembly · ISO 9001, AS9100, ITAR | Longmont, CO | MillingTurningFinishingAssembly | ISO 9001, AS9100, ITAR |
| R B Machine Inc Milling, Turning, Assembly · ISO 9001, AS9100 | Denver, CO | MillingTurningAssembly | ISO 9001, AS9100 |
| Red Lion Inc Laser, Grinding · AS9100 | Broomfield, CO | LaserGrinding | AS9100 |
| Reyco Precision Machining Welding, Metal AM · ISO 9001, AS9100 | Englewood, CO | WeldingMetal AM | ISO 9001, AS9100 |
| Roadrunner Fabrication Bending, Welding | Denver, CO | BendingWelding | - |
| Scherer Metals - 1299 E. 58th Avenue, Denver Bending, Welding | Denver, CO | BendingWelding | - |
| Steelhead Composites, Inc Welding · ISO 9001, AS9100 | Golden, CO | Welding | ISO 9001, AS9100 |
| Synergy Core Manufacturing Milling | Denver, CO | Milling | - |
| Tag Team Manufacturing Turning, Welding, Finishing · ISO 9001 | Parker, CO | TurningWeldingFinishing | ISO 9001 |
| Tri-Gon Precision, Inc. Milling, Turning, Welding, EDM | Colorado Springs, CO | MillingTurningWeldingEDM | - |