| Reyco Precision Machining Welding, Metal AM · ISO 9001, AS9100 | Englewood, CO | WeldingMetal AM | ISO 9001, AS9100 |
| Roadrunner Fabrication Bending, Welding | Denver, CO | BendingWelding | - |
| S&W Precision Machining LLC Milling, Turning · ISO 9001, AS9100, ITAR, CMMC | Commerce City, CO | MillingTurning | ISO 9001, AS9100, ITAR, CMMC |
| Salco Inc Milling, Turning, Swiss, Welding, Assembly · ISO 9001 | Arvada, CO | MillingTurningSwissWeldingAssembly | ISO 9001 |
| Scherer Metals - 1299 E. 58th Avenue, Denver Bending, Welding | Denver, CO | BendingWelding | - |
| Springs Fabrication, LLC Bending, Welding, Waterjet · ISO 9001, ITAR | Colorado Springs, CO | BendingWeldingWaterjet | ISO 9001, ITAR |
| Steen Machining, Inc Milling, Turning, Finishing | Westminster, CO | MillingTurningFinishing | - |
| Sterling Edge Industrial Cutting, LLC Laser, Waterjet | Denver, CO | LaserWaterjet | - |
| Synergy Core Manufacturing Milling | Denver, CO | Milling | - |
| Topocut, LLC Milling, Laser, Bending, Finishing | Berthoud, CO | MillingLaserBendingFinishing | - |
| Tri-Gon Precision, Inc. Milling, Turning, Welding, EDM | Colorado Springs, CO | MillingTurningWeldingEDM | - |
| VDH Manufacturing, LLC Turning, Swiss, Finishing · ISO 9001, ITAR, NADCAP | Erie, CO | TurningSwissFinishing | ISO 9001, ITAR, NADCAP |