| Cutting Edge Machining & Automation-Qtr, LLC Milling, Turning, Swiss, Laser, Welding, EDM, Assembly | North Versailles, PA | MillingTurningSwissLaserWeldingEDMAssembly | - |
| Accrotool, Inc Milling, Turning, Laser, Punching, Bending, Welding, Stamping, Finishing, Assembly | New Kensington, PA | MillingTurningLaserPunchingBendingWeldingStampingFinishingAssembly | - |
| Apogee Manufacturing Solutions Limited Liability Company Milling, Laser, Punching, Bending, Grinding, Assembly · ISO 9001 | New Holland, PA | MillingLaserPunchingBendingGrindingAssembly | ISO 9001 |
| Merit Industries Milling, Turning, Laser, Waterjet, Welding, EDM, Grinding, Finishing · AS9100, ITAR, NADCAP, CMMC | Erie, PA | MillingTurningLaserWaterjetWeldingEDMGrindingFinishing | AS9100, ITAR, NADCAP, CMMC |
| BCL Manufacturing Inc Laser, Punching, Welding | Windber, PA | LaserPunchingWelding | - |
| Bear Ridge Mach & Fab Inc Milling, Laser, Waterjet, Punching, Bending, Welding, Grinding | Frackville, PA | MillingLaserWaterjetPunchingBendingWeldingGrinding | - |
| Billet Industries Inc Milling, Turning, Laser, Welding, EDM, Grinding, Assembly · AS9100 | York, PA | MillingTurningLaserWeldingEDMGrindingAssembly | AS9100 |
| CNC Manufacturing Inc Milling, Turning, Swiss, Laser, Grinding · ISO 9001 | Coatesville, PA | MillingTurningSwissLaserGrinding | ISO 9001 |
| Danco Precision, Inc Milling, Turning, Laser, Welding, Stamping, EDM, Grinding, Assembly · ISO 9001, AS9100, ITAR | Phoenixville, PA | MillingTurningLaserWeldingStampingEDMGrindingAssembly | ISO 9001, AS9100, ITAR |
| Dynamic Metal Innovations LLC Laser, Bending, Welding, Finishing, Assembly · ITAR | Emmaus, PA | LaserBendingWeldingFinishingAssembly | ITAR |
| F.B.F., Inc Laser, Punching, Bending, Welding, Stamping, Assembly · ISO 9001 | Southampton, PA | LaserPunchingBendingWeldingStampingAssembly | ISO 9001 |
| Gene Davis Sales & Services Laser, Welding, Waterjet | Erie, PA | LaserWeldingWaterjet | - |
| Global Affinity Inc Laser, Bending, Welding | Bristol, PA | LaserBendingWelding | - |
| IronStrong Metal Fabrication LLC Milling, Bending, Laser, Welding | Lancaster, PA | MillingBendingLaserWelding | - |
| Jennison Corp Turning, Laser, EDM | Carnegie, PA | TurningLaserEDM | - |
| Max Machine Milling, Turning, Laser, Waterjet, Welding, Grinding, Finishing · ISO 9001 | Elizabethtown, PA | MillingTurningLaserWaterjetWeldingGrindingFinishing | ISO 9001 |
| Max Machining LLC Milling, Turning, Laser, Bending · ITAR, CMMC | Telford, PA | MillingTurningLaserBending | ITAR, CMMC |
| Metal Integrity, Inc Milling, Laser, Welding | Bellefonte, PA | MillingLaserWelding | - |
| Penn Metal Fabricators Inc Milling, Turning, Laser, Punching, Bending, Welding, Finishing · ISO 9001 | Ebensburg, PA | MillingTurningLaserPunchingBendingWeldingFinishing | ISO 9001 |
| Penn Sheet Metal Bending, Laser, Welding, Waterjet | Allentown, PA | BendingLaserWeldingWaterjet | - |
| Rinval Manufacturing Laser | Indiana, PA | Laser | - |
| Roaring Creek Machine Co Milling, Turning, Laser, Bending, Welding, Finishing · ITAR | Catawissa, PA | MillingTurningLaserBendingWeldingFinishing | ITAR |
| Shoemaker Mfg Solutions Inc Milling, Turning, Laser, Waterjet, Punching, Bending, Welding, Stamping, Grinding · ISO 9001, AS9100, ITAR, CMMC | Souderton, PA | MillingTurningLaserWaterjetPunchingBendingWeldingStampingGrinding | ISO 9001, AS9100, ITAR, CMMC |
| Vptt Armaments Milling, Turning, Laser, Waterjet, Bending, Welding, Stamping, EDM, Grinding, Assembly · ISO 9001, ITAR | Tower City, PA | MillingTurningLaserWaterjetBendingWeldingStampingEDMGrindingAssembly | ISO 9001, ITAR |
| Charlie Mike Manufacturing LLC Milling, Turning, Laser, Bending, Welding, Stamping, EDM, Finishing | Oakdale, PA | MillingTurningLaserBendingWeldingStampingEDMFinishing | - |
| Compucraft Fabricators Inc Milling, Turning, Laser, Punching, Bending, Welding, Grinding, Finishing · ISO 9001, ITAR | Montgomeryville, PA | MillingTurningLaserPunchingBendingWeldingGrindingFinishing | ISO 9001, ITAR |
| Edker Industries LLC Milling, Turning, Laser, Punching, Bending, Welding, Finishing, Assembly | Bala Cynwyd, PA | MillingTurningLaserPunchingBendingWeldingFinishingAssembly | - |
| Gamlet Inc Milling, Laser, Bending, Welding, Stamping, Grinding, Finishing | York, PA | MillingLaserBendingWeldingStampingGrindingFinishing | - |
| Industrial Sales & Manufacturing, Inc. Milling, Turning, Bending, Laser, Welding · ISO 9001 | Erie, PA | MillingTurningBendingLaserWelding | ISO 9001 |
| M & M Sheet Metal, Inc Milling, Laser, Bending, Welding, Forging · ISO 9001, ITAR, CMMC | Williamsport, PA | MillingLaserBendingWeldingForging | ISO 9001, ITAR, CMMC |
| PBZ Manufacturing Laser, Bending, Welding, Finishing · ISO 9001 | Lititz, PA | LaserBendingWeldingFinishing | ISO 9001 |
| Perseo-Erie Machine Sales Milling, Laser, EDM, Stamping | Erie, PA | MillingLaserEDMStamping | - |
| Ash-Tec Laser, Welding, Finishing | Hegins, PA | LaserWeldingFinishing | - |
| Clark Metal Products Co Milling, Laser, Punching, Bending, Welding, Finishing, Assembly · ISO 9001 | Blairsville, PA | MillingLaserPunchingBendingWeldingFinishingAssembly | ISO 9001 |
| E.H. Schwab Milling, Turning, Laser, Punching, Bending, Welding · ISO 9001 | Turtle Creek, PA | MillingTurningLaserPunchingBendingWelding | ISO 9001 |