| South Bend Form Tool Co Milling, Turning, EDM | South Bend, IN | MillingTurningEDM | - |
| Accuburn of Williamsport, Inc Milling, Laser, Bending, Welding, Assembly | Williamsport, IN | MillingLaserBendingWeldingAssembly | - |
| Aegis Sales & Engineering Inc. Milling, Turning, Bending, Stamping · ISO 9001 | Fort Wayne, IN | MillingTurningBendingStamping | ISO 9001 |
| Amg Engineering & Machining Milling, Turning, Bending, Welding, EDM · ISO 9001, AS9100, ITAR, IATF 16949 | Indianapolis, IN | MillingTurningBendingWeldingEDM | ISO 9001, AS9100, ITAR, IATF 16949 |
| Blackstar CNC LLC Milling, Laser, Bending, Welding, Finishing · ISO 9001 | Merrillville, IN | MillingLaserBendingWeldingFinishing | ISO 9001 |
| C M Engineering Inc Milling, Laser, Bending, Welding, Finishing, Assembly · ISO 9001 | Dugger, IN | MillingLaserBendingWeldingFinishingAssembly | ISO 9001 |
| Defelice Engineering, Inc Milling, Turning, Bending, Welding, Casting, Grinding | Mooresville, IN | MillingTurningBendingWeldingCastingGrinding | - |
| Dynamic Metals LLC Milling, Laser, Bending, Welding, Stamping · AS9100, NADCAP | Elkhart, IN | MillingLaserBendingWeldingStamping | AS9100, NADCAP |
| Echelbarger Precision Machining Milling, Swiss, Waterjet, Bending, Welding, EDM, Finishing · ISO 9001 | Kokomo, IN | MillingSwissWaterjetBendingWeldingEDMFinishing | ISO 9001 |
| Estes Design & Manufacturing Inc Milling, Turning, Laser, Punching, Bending, Welding, Grinding · ISO 13485 | Indianapolis, IN | MillingTurningLaserPunchingBendingWeldingGrinding | ISO 13485 |
| Fastech Precision LLC Milling, Turning, Laser, Waterjet, Bending, Welding · ITAR, CMMC | Bedford, IN | MillingTurningLaserWaterjetBendingWelding | ITAR, CMMC |
| Flare Precision LLC Milling, Bending | Fort Wayne, IN | MillingBending | - |
| J & N Metal Products, LLC Milling, Laser, Bending, Welding, EDM · ISO 9001 | Brazil, IN | MillingLaserBendingWeldingEDM | ISO 9001 |
| Kilgore Manufacturing Co Inc Milling, Swiss, Bending, Welding, EDM, Finishing, Assembly · ISO 9001, ITAR | Columbia City, IN | MillingSwissBendingWeldingEDMFinishingAssembly | ISO 9001, ITAR |
| Lively Machine Milling, Turning, Bending, Finishing | Evansville, IN | MillingTurningBendingFinishing | - |
| Midwest Industrial Metal Fabrication Inc Milling, Turning, Punching, Bending, Welding, Stamping, Finishing | Huntington, IN | MillingTurningPunchingBendingWeldingStampingFinishing | - |
| Mofab Inc Milling, Laser, Waterjet, Bending, Welding | Anderson, IN | MillingLaserWaterjetBendingWelding | - |
| MSP Maufacturing Milling, Turning, Bending, Welding, Finishing, Assembly | Bloomington, IN | MillingTurningBendingWeldingFinishingAssembly | - |
| Olson Custom Designs LLC Milling, Turning, Bending, Welding · ISO 9001, ITAR, ISO 13485 | Indianapolis, IN | MillingTurningBendingWelding | ISO 9001, ITAR, ISO 13485 |
| Precision Fabrication, Inc. Milling, Bending, Laser, Welding, Waterjet | Fort Wayne, IN | MillingBendingLaserWeldingWaterjet | - |
| Precision Laser Services Inc Milling, Turning, Laser, Punching, Bending, Welding, Stamping, Grinding | Fort Wayne, IN | MillingTurningLaserPunchingBendingWeldingStampingGrinding | - |
| Shape Shifters Inc Milling, Waterjet, Bending, Welding, Stamping, Finishing | Bloomfield, IN | MillingWaterjetBendingWeldingStampingFinishing | - |
| Specialty Tool & Die Company Inc Milling, Turning, Bending, Welding, Stamping, Grinding, Assembly | Kokomo, IN | MillingTurningBendingWeldingStampingGrindingAssembly | - |
| Triad Fabricators, LLC Milling, Turning, Bending | Evansville, IN | MillingTurningBending | - |
| Yardarm Fabrication Milling, Turning, Bending, Laser, Welding, Stamping | Indianapolis, IN | MillingTurningBendingLaserWeldingStamping | - |