| Eclipse Dynamics LLC Milling, Welding, Assembly · ITAR | Titusville, FL | MillingWeldingAssembly | ITAR |
| Ekstensive Metal Works Welding | Houston, TX | Welding | - |
| Erie Weld Products Punching, Bending, Welding | Erie, PA | PunchingBendingWelding | - |
| Estes Design & Manufacturing Inc Milling, Turning, Laser, Punching, Bending, Welding, Grinding · ISO 13485 | Indianapolis, IN | MillingTurningLaserPunchingBendingWeldingGrinding | ISO 13485 |
| Excell Industries Milling, Turning, Swiss, Welding · ISO 9001 | Chambersburg, PA | MillingTurningSwissWelding | ISO 9001 |
| Faspro Technologies, Inc Laser, Stamping, Assembly | Arlington Heights, IL | LaserStampingAssembly | - |
| Fastech Precision LLC Milling, Turning, Laser, Waterjet, Bending, Welding · ITAR, CMMC | Bedford, IN | MillingTurningLaserWaterjetBendingWelding | ITAR, CMMC |
| Fundom Enterprises Inc Milling, Turning, EDM, Grinding | Oklahoma City, OK | MillingTurningEDMGrinding | - |
| GB Fabrication Company Milling, Turning, Laser, Punching, Bending, Welding, Stamping, Grinding, Finishing, Assembly | Shiloh, OH | MillingTurningLaserPunchingBendingWeldingStampingGrindingFinishingAssembly | - |
| Giuliante Machine Tool Inc Milling, Turning, EDM, Grinding, Finishing · ISO 9001, AS9100 | Peekskill, NY | MillingTurningEDMGrindingFinishing | ISO 9001, AS9100 |
| GM Diecron, LLC Milling, Turning, Swiss, EDM, Finishing, Assembly · AS9100 | Griffin, GA | MillingTurningSwissEDMFinishingAssembly | AS9100 |
| Gremlin Works LLC Milling, Turning, Finishing · ITAR | Faber, VA | MillingTurningFinishing | ITAR |
| Gtscientific LLC Milling, Turning, Laser, Welding, Grinding | Honolulu, HI | MillingTurningLaserWeldingGrinding | - |
| Hilltop Technology Laboratory Inc Milling | Irvine, CA | Milling | - |
| Hitek Services Inc Turning, Assembly | Owens Cross Roads, AL | TurningAssembly | - |
| HP Machine & Engineering Inc Milling, Turning, EDM | San Jose, CA | MillingTurningEDM | - |
| HPR Machine Milling, Turning | Vista, CA | MillingTurning | - |
| Ideal Technology Corp Milling, Turning, Welding, Casting, Metal AM, Grinding · ISO 9001 | Shelby Township, MI | MillingTurningWeldingCastingMetal AMGrinding | ISO 9001 |
| Imperial Metal Products Company Turning, Bending | Grand Rapids, MI | TurningBending | - |
| In Tolerance Contract Manufacturing Milling, Turning, Bending · ISO 9001, AS9100, NADCAP | Cedar Rapids, IA | MillingTurningBending | ISO 9001, AS9100, NADCAP |
| Infinity EDM, LLC Milling, Turning, EDM, Grinding · ISO 9001 | Jackson, WI | MillingTurningEDMGrinding | ISO 9001 |
| Infinity Precision Inc Milling, Turning, Waterjet, Bending, Grinding · ISO 9001, AS9100 | Simi Valley, CA | MillingTurningWaterjetBendingGrinding | ISO 9001, AS9100 |
| Innovative 3D Manufacturing LLC Casting, Metal AM · ISO 9001, ITAR, ISO 13485 | Franklin, IN | CastingMetal AM | ISO 9001, ITAR, ISO 13485 |
| Insource Design & Manufacturing Technologies, LLC Milling, Turning, Assembly · ISO 9001, ITAR | Manchester, NH | MillingTurningAssembly | ISO 9001, ITAR |
| Integrity Welding & Fabrication LLC Laser, Waterjet, Welding, Finishing | Colorado Springs, CO | LaserWaterjetWeldingFinishing | - |
| Interior Metals Laser, Punching, Bending, Welding, Finishing | Staten Island, NY | LaserPunchingBendingWeldingFinishing | - |
| International Precision Manufacturing LLC Milling, Turning, Welding, EDM, Assembly · ISO 9001, AS9100, ISO 13485 | Houston, TX | MillingTurningWeldingEDMAssembly | ISO 9001, AS9100, ISO 13485 |
| IPMI Manufacturing & Engineering Milling, Turning, Welding | Buckner, MO | MillingTurningWelding | - |
| JRS Precision Machine & Design LLC Milling, Turning | Lakeville, MA | MillingTurning | - |
| KF Precision Honing LLC Milling, Grinding · ITAR | Antigo, WI | MillingGrinding | ITAR |
| Kimura Foundry America, Inc Casting, Metal AM | Shelbyville, IN | CastingMetal AM | - |
| Lai International Inc Milling, Laser, Waterjet, Welding, Metal AM, EDM, Finishing · NADCAP | Westminster, MD | MillingLaserWaterjetWeldingMetal AMEDMFinishing | NADCAP |
| Langill's General Machine Inc Milling, Welding | Sacramento, CA | MillingWelding | - |
| Legion Metals Welding | Oklahoma City, OK | Welding | - |
| Lindsay Machine Works, Inc Milling, Turning, Laser, Waterjet, Bending, Welding, Grinding | Independence, MO | MillingTurningLaserWaterjetBendingWeldingGrinding | - |
| Linear Machining Technology LLC Milling, Turning, EDM, Grinding, Finishing · ISO 9001 | Irwin, PA | MillingTurningEDMGrindingFinishing | ISO 9001 |
| LNT Machining Inc Milling, Turning | Santa Clara, CA | MillingTurning | - |
| Marsam Metal Finishing Co Finishing, Assembly | New Britain, CT | FinishingAssembly | - |
| Max Machining LLC Milling, Turning, Laser, Bending · ITAR, CMMC | Telford, PA | MillingTurningLaserBending | ITAR, CMMC |
| Metal Fusion Inc Milling, Turning, Welding, Grinding | Redwood City, CA | MillingTurningWeldingGrinding | - |
| Micron Manufacturing Company Milling, Turning · ISO 9001 | Grand Rapids, MI | MillingTurning | ISO 9001 |
| MRW Fabrication LLC Bending, Welding | Independence, MO | BendingWelding | - |
| N.G. Machining, LLC Milling, Grinding | Colorado Springs, CO | MillingGrinding | - |
| Naimor Inc Milling, Turning, Laser, Punching, Bending, Welding, Finishing, Assembly | Snohomish, WA | MillingTurningLaserPunchingBendingWeldingFinishingAssembly | - |
| Neff Engineering LLC Milling, Laser, Welding | Los Angeles, CA | MillingLaserWelding | - |
| Northern Gear, LLC Casting, Finishing | Muskego, WI | CastingFinishing | - |
| Penco Precision LLC Milling, Turning, Welding | Wilmington, NC | MillingTurningWelding | - |
| Phoenix Manufacturing, Inc Milling, Turning, Waterjet, EDM · ISO 9001, AS9100, NADCAP | Enfield, CT | MillingTurningWaterjetEDM | ISO 9001, AS9100, NADCAP |
| Powers Bros Machine Inc Welding, Grinding | Montebello, CA | WeldingGrinding | - |
| Precise Cast Prototypes & Engineering Inc Milling, Casting | Commerce City, CO | MillingCasting | - |