| Northway Mathers Inc Milling, Turning, Waterjet, Bending, Welding, Finishing | Mukilteo, WA | MillingTurningWaterjetBendingWeldingFinishing | - |
| Sicom Industries USA LLC Milling, Turning, Waterjet · ISO 9001, AS9100, CMMC | Stanwood, WA | MillingTurningWaterjet | ISO 9001, AS9100, CMMC |
| Tech Heavy Industries, Inc Milling, Waterjet, Bending, Welding | Riverside, WA | MillingWaterjetBendingWelding | - |
| Component Products Corp Milling, Turning, Waterjet, Punching, Bending, Stamping, Assembly · AS9100, ITAR, CMMC | Mukilteo, WA | MillingTurningWaterjetPunchingBendingStampingAssembly | AS9100, ITAR, CMMC |
| Pacific Northwest Metal Fabricators Turning, Welding, Waterjet | Seattle, WA | TurningWeldingWaterjet | - |
| Hill Aerosystems Inc Milling, Turning, Waterjet, Punching, Bending, Welding, Stamping, EDM, Assembly · AS9100 | Enumclaw, WA | MillingTurningWaterjetPunchingBendingWeldingStampingEDMAssembly | AS9100 |
| Machine Repair & Design Milling, Turning, Waterjet, Welding, Finishing, Assembly · AS9100 | Sumner, WA | MillingTurningWaterjetWeldingFinishingAssembly | AS9100 |
| Puget Sound Precision, Inc Turning, Swiss, Waterjet, Assembly | Bremerton, WA | TurningSwissWaterjetAssembly | - |