| Dynamic Loop Inc Milling, Turning, Laser, Waterjet, Finishing | Camarillo, CA | MillingTurningLaserWaterjetFinishing | - |
| E & M Machine, Inc Milling, Turning, Welding, EDM, Finishing | Grantsburg, WI | MillingTurningWeldingEDMFinishing | - |
| Egs Production Machining, Inc Milling, Turning, Swiss, Grinding, Assembly · ISO 9001 | Irving, TX | MillingTurningSwissGrindingAssembly | ISO 9001 |
| Elite Machine, Inc Milling, Turning | Manchester, NY | MillingTurning | - |
| Engineered Machining LLC Milling, Finishing | Longwood, FL | MillingFinishing | - |
| Engineered Mechanical Systems Inc Milling, Turning, Laser, Bending, Welding | Chattanooga, TN | MillingTurningLaserBendingWelding | - |
| Erie Bronze & Aluminum Co Casting · ITAR | Erie, PA | Casting | ITAR |
| Exact CNC Industries Inc Milling, Turning, Swiss, Laser · ISO 9001, AS9100, ITAR | Chatsworth, CA | MillingTurningSwissLaser | ISO 9001, AS9100, ITAR |
| Excell Industries Milling, Turning, Swiss, Welding · ISO 9001 | Chambersburg, PA | MillingTurningSwissWelding | ISO 9001 |
| Fabriquick LLC Milling, Bending | Benicia, CA | MillingBending | - |
| FDM of Clearwater Inc Milling, Turning, EDM, Grinding | Largo, FL | MillingTurningEDMGrinding | - |
| Feral Productions LLC Milling, Turning, Welding, Grinding, Finishing, Assembly | Tracy, CA | MillingTurningWeldingGrindingFinishingAssembly | - |
| FH Peterson Machine Corp Milling, Turning, Welding, Grinding · ISO 9001, ITAR | Stoughton, MA | MillingTurningWeldingGrinding | ISO 9001, ITAR |
| Final Frontier Manufacturing Milling, Turning, Finishing · AS9100 | Arvada, CO | MillingTurningFinishing | AS9100 |
| Fine Line Machine LLC Milling, Turning, Laser, Grinding, Assembly · ITAR | Webster, FL | MillingTurningLaserGrindingAssembly | ITAR |
| Flex-Pro LLC Milling, Turning · ISO 9001 | Phoenix, AZ | MillingTurning | ISO 9001 |
| Foranne Manufacturing, Inc Milling, Turning · ISO 9001 | Warminster, PA | MillingTurning | ISO 9001 |
| Foundrion Group Welding, Casting | Mills, WY | WeldingCasting | - |
| Freedom Manufacturing, LLC Welding, Finishing | Jacksonville, TX | WeldingFinishing | - |
| Freedom Security, LLC Waterjet, Punching, Bending, Welding, Finishing | Salt Lake City, UT | WaterjetPunchingBendingWeldingFinishing | - |
| Galaxy Precision Inc Milling, Turning, Swiss, Welding · ISO 9001 | Albany, MN | MillingTurningSwissWelding | ISO 9001 |
| General Machine Milling, Turning, Laser, Waterjet, Punching, Bending, Welding, Grinding, Finishing | Chicago, IL | MillingTurningLaserWaterjetPunchingBendingWeldingGrindingFinishing | - |
| Golden Machining Solutions Inc Milling, Turning, Finishing · ISO 9001 | Arvada, CO | MillingTurningFinishing | ISO 9001 |
| Grace Machine Company, LLC Milling, Turning, EDM, Grinding · ISO 9001 | Berlin, CT | MillingTurningEDMGrinding | ISO 9001 |
| Halo Metal Prep Inc Stamping, Finishing · ISO 9001 | Cleveland, OH | StampingFinishing | ISO 9001 |
| Haney Manufacturing LLC Milling | Kingston, TN | Milling | - |
| Heighten America, Inc Milling, Turning, Welding, Assembly · ISO 9001 | Oakdale, CA | MillingTurningWeldingAssembly | ISO 9001 |
| Heimaster Metal Works Inc Bending, Welding | Lakeside, CA | BendingWelding | - |
| Henderson Machine, Inc Milling, Turning, Swiss, Welding, EDM · ITAR | Deerfield Beach, FL | MillingTurningSwissWeldingEDM | ITAR |
| Hub Pattern Corp Milling, Turning, Waterjet, EDM, Grinding, Assembly | Roanoke, VA | MillingTurningWaterjetEDMGrindingAssembly | - |
| Huffman Welding & Machine Inc Milling, Turning, Laser, Waterjet, Bending, Welding, EDM, Grinding, Finishing, Assembly · ISO 9001 | Fort Madison, IA | MillingTurningLaserWaterjetBendingWeldingEDMGrindingFinishingAssembly | ISO 9001 |
| Idp TM Inc Milling, Turning, EDM · ISO 9001 | Rockwall, TX | MillingTurningEDM | ISO 9001 |
| Infinisys Manufacturing LLC Milling, Turning, EDM | Phoenix, AZ | MillingTurningEDM | - |
| Inland Marine Industries Inc Milling, Turning, Waterjet, Punching, Bending, Welding, Grinding, Finishing · ISO 9001, ITAR | Hayward, CA | MillingTurningWaterjetPunchingBendingWeldingGrindingFinishing | ISO 9001, ITAR |
| Innov8 Manufacturing LLC Milling, Turning, Welding, Grinding · ISO 9001 | Farmington, MI | MillingTurningWeldingGrinding | ISO 9001 |
| Innovation Alley Milling, Turning, Bending, Welding | Fresno, CA | MillingTurningBendingWelding | - |
| Intrepid Machine, Inc Milling, Turning · ISO 9001, AS9100 | Brooksville, FL | MillingTurning | ISO 9001, AS9100 |
| Ironbound Castings II, LLC Milling, Turning, Casting | Newark, NJ | MillingTurningCasting | - |
| Irwin Automation Inc Milling, Turning, Welding, EDM, Grinding | Greensburg, PA | MillingTurningWeldingEDMGrinding | - |
| ISCO Manufacturing Solutions Milling, Turning, Waterjet, Bending, Welding, Grinding · ISO 9001, AS9100 | Bend, OR | MillingTurningWaterjetBendingWeldingGrinding | ISO 9001, AS9100 |
| J Mark Co Milling, Turning, Laser, Punching, Bending, Welding, Finishing, Assembly · ISO 9001, ITAR | Vista, CA | MillingTurningLaserPunchingBendingWeldingFinishingAssembly | ISO 9001, ITAR |
| J-Mac Completion Equipment, LLC Milling, Turning, Waterjet, Bending, Welding | Fort Worth, TX | MillingTurningWaterjetBendingWelding | - |
| J&M Machining Milling, Turning, Welding, Casting, Finishing · ISO 9001 | Norton Shores, MI | MillingTurningWeldingCastingFinishing | ISO 9001 |
| Jaco Engineering Milling, Turning, Bending, Welding, EDM, Grinding, Finishing, Assembly · NADCAP | Anaheim, CA | MillingTurningBendingWeldingEDMGrindingFinishingAssembly | NADCAP |
| Jennison Corp Turning, Laser, EDM | Carnegie, PA | TurningLaserEDM | - |
| Jonaco Machine Inc Milling, Turning, Swiss, EDM, Grinding · ISO 9001 | Chaska, MN | MillingTurningSwissEDMGrinding | ISO 9001 |
| JRS Precision Milling, Turning · ISO 9001, AS9100, ITAR | Ronkonkoma, NY | MillingTurning | ISO 9001, AS9100, ITAR |
| K & H Precision Products Milling, Casting · ISO 9001 | Honeoye Falls, NY | MillingCasting | ISO 9001 |
| K & K Precision, Inc Milling, Turning, EDM, Grinding | Mason, OH | MillingTurningEDMGrinding | - |
| KD Precision Machining Inc Milling, Turning · AS9100 | Corona, CA | MillingTurning | AS9100 |