| GCG Industries Inc Milling, Turning · ISO 9001, AS9100, ISO 13485 | Fort Wayne, IN | MillingTurning | ISO 9001, AS9100, ISO 13485 |
| Aegis Sales & Engineering Inc. Milling, Turning, Bending, Stamping · ISO 9001 | Fort Wayne, IN | MillingTurningBendingStamping | ISO 9001 |
| Euclid Machine Co Milling, Turning, EDM, Casting · AS9100, NADCAP | Indianapolis, IN | MillingTurningEDMCasting | AS9100, NADCAP |
| Walerko Tool & Engineering Milling, Turning, Casting · ISO 9001, AS9100 | Elkhart, IN | MillingTurningCasting | ISO 9001, AS9100 |
| Yardarm Fabrication Milling, Turning, Bending, Laser, Welding, Stamping | Indianapolis, IN | MillingTurningBendingLaserWeldingStamping | - |
| Alliance Tool & Precision Machining a Division of Murray Equipment Milling · ISO 9001 | Fort Wayne, IN | Milling | 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 |
| Applied Metals & Machine Works, Inc. Milling, Turning, Welding | Fort Wayne, IN | MillingTurningWelding | - |
| Dual Machine Milling, Turning, Welding · ISO 9001, AS9100 | Indianapolis, IN | MillingTurningWelding | ISO 9001, AS9100 |
| Flare Precision LLC Milling, Bending | Fort Wayne, IN | MillingBending | - |
| H & W Machine Repair & Rebuilding Milling, Turning, Welding | Fort Wayne, IN | MillingTurningWelding | - |
| Krukemeier Machine Milling, Turning, EDM · AS9100, NADCAP | Indianapolis, IN | MillingTurningEDM | AS9100, NADCAP |
| Major Tool & Machine Milling, Turning, Welding · ISO 9001, AS9100, NADCAP | Indianapolis, IN | MillingTurningWelding | ISO 9001, AS9100, NADCAP |
| Precision Fabrication, Inc. Milling, Bending, Laser, Welding, Waterjet | Fort Wayne, IN | MillingBendingLaserWeldingWaterjet | - |
| South Bend Form Tool Co Milling, Turning, EDM | South Bend, IN | MillingTurningEDM | - |
| Summit City Precision Machining LLC Milling, Turning, EDM · ISO 9001 | Fort Wayne, IN | MillingTurningEDM | ISO 9001 |
| Superior Machine & Tool Milling, Turning, Welding · ISO 9001 | Fort Wayne, IN | MillingTurningWelding | ISO 9001 |
| Toolcraft LLC Milling | Fort Wayne, IN | Milling | - |
| Toron Manufacturing Milling, Welding | Elkhart, IN | MillingWelding | - |
| Wolfe & Swickard Machine Co Milling, Turning · AS9100 | Indianapolis, IN | MillingTurning | AS9100 |