| A-1 Precision, Inc Milling, Turning, Swiss, Grinding · ISO 9001 | Vancouver, WA | MillingTurningSwissGrinding | ISO 9001 |
| Abw Technologies, Inc Milling, Welding · ISO 9001, AS9100 | Arlington, WA | MillingWelding | ISO 9001, AS9100 |
| Aether Flow Technologies LLC Milling | Everett, WA | Milling | - |
| Argo Blower & Mfg Co Inc Bending, Welding | Seattle, WA | BendingWelding | - |
| ASC Machine Tools Inc Bending | Spokane Valley, WA | Bending | - |
| Asko Processing Inc Turning, Grinding, Finishing | Seattle, WA | TurningGrindingFinishing | - |
| Atomic Fabrications LLC. Welding | Seattle, WA | Welding | - |
| Blue Waters Engineering LLC Milling · ISO 9001, AS9100, ITAR | Vancouver, WA | Milling | ISO 9001, AS9100, ITAR |
| Carlson Sheet Metal Works Bending, Welding, Waterjet | Spokane, WA | BendingWeldingWaterjet | - |
| Cascade Precision, Inc Milling, Turning, Swiss, Finishing, Assembly · ISO 9001, ITAR | Mukilteo, WA | MillingTurningSwissFinishingAssembly | ISO 9001, ITAR |
| Component Products Corp Milling, Turning, Waterjet, Punching, Bending, Stamping, Assembly · AS9100, ITAR, CMMC | Mukilteo, WA | MillingTurningWaterjetPunchingBendingStampingAssembly | AS9100, ITAR, CMMC |
| Designed With Sparks LLC Welding | Usk, WA | Welding | - |
| Everett Engineering Inc Milling, Turning, Welding | Everett, WA | MillingTurningWelding | - |
| Finney Creek Co LLC Welding | Concrete, WA | Welding | - |
| Forefront Manufacturing Assembly | Sequim, WA | Assembly | - |
| Gause Tool, Inc Turning, Welding, Grinding | Goldendale, WA | TurningWeldingGrinding | - |
| Hallnus Works Milling, Finishing · ISO 9001, ITAR | Battle Ground, WA | MillingFinishing | ISO 9001, ITAR |
| Hardy Engineering & Manufacturing, Inc Milling, Turning, Welding, EDM · AS9100 | Auburn, WA | MillingTurningWeldingEDM | AS9100 |
| HK Manufacturing Services LLC Milling | Everett, WA | Milling | - |
| Holz Enterprises, Inc Milling, Turning, Finishing · AS9100, ITAR | Bellingham, WA | MillingTurningFinishing | AS9100, ITAR |
| Honeycutt Manufacturing Inc Milling, Turning, Swiss, Stamping, Grinding, Finishing | Mukilteo, WA | MillingTurningSwissStampingGrindingFinishing | - |
| Hydrafab Northwest, Inc Laser, Bending, Welding | Spokane Valley, WA | LaserBendingWelding | - |
| JJR Engineering & Fabrication Inc Milling, Turning, Bending, Welding, Stamping, Finishing, Assembly · ISO 9001, AS9100, NADCAP | Woodinville, WA | MillingTurningBendingWeldingStampingFinishingAssembly | ISO 9001, AS9100, NADCAP |
| Lakehouse Industries Milling, Turning, Finishing | Woodland, WA | MillingTurningFinishing | - |
| Lakota Industries Milling, Turning · AS9100, ITAR | Marysville, WA | MillingTurning | AS9100, ITAR |
| Larkin Precision, LLC Laser, Grinding | Kent, WA | LaserGrinding | - |
| Mac Origin Inc Milling | Bingen, WA | Milling | - |
| Machine Repair & Design Milling, Turning, Waterjet, Welding, Finishing, Assembly · AS9100 | Sumner, WA | MillingTurningWaterjetWeldingFinishingAssembly | AS9100 |
| Machine Tool Services Turning, Bending, EDM | Spokane, WA | TurningBendingEDM | - |
| Medical Micro Machining Inc Milling | Colfax, WA | Milling | - |
| Minter Industries LLC Milling · ISO 9001 | Lakewood, WA | Milling | ISO 9001 |
| MM Industries Tech LLC Laser, Punching, Bending, Welding, Assembly | Stanwood, WA | LaserPunchingBendingWeldingAssembly | - |
| Modern Machine Milling, Turning, Bending, Welding, Stamping | Seattle, WA | MillingTurningBendingWeldingStamping | - |
| Newport Mfg Laser, Welding | Newcastle, WA | LaserWelding | - |
| Novation, Inc Finishing · ITAR, NADCAP | Spokane Vly, WA | Finishing | ITAR, NADCAP |
| Nu-Tech Machining Inc Milling, Turning · ITAR | Vancouver, WA | MillingTurning | ITAR |
| Onamac Industries, Inc Milling, Turning, Casting, Grinding · ISO 9001, AS9100 | Everett, WA | MillingTurningCastingGrinding | ISO 9001, AS9100 |
| Pacific Northwest Metal Fabricators Turning, Welding, Waterjet | Seattle, WA | TurningWeldingWaterjet | - |
| Prowse Manufacturing Group Inc Milling, Turning, Waterjet, Bending, Assembly · ISO 9001, ITAR, CMMC | Marysville, WA | MillingTurningWaterjetBendingAssembly | ISO 9001, ITAR, CMMC |
| Puget Sound Precision, Inc Turning, Swiss, Waterjet, Assembly | Bremerton, WA | TurningSwissWaterjetAssembly | - |
| Rainier Metal Works Bending, Welding | Seattle, WA | BendingWelding | - |
| RTC Aerospace Fife Division LLC Milling, Turning, Swiss, EDM, Assembly · AS9100 | Fife, WA | MillingTurningSwissEDMAssembly | AS9100 |
| S & R Sheet Metal, Inc Laser, Punching, Bending, Welding, Finishing | Kelso, WA | LaserPunchingBendingWeldingFinishing | - |
| Sicom Industries USA LLC Milling, Turning, Waterjet · ISO 9001, AS9100, CMMC | Stanwood, WA | MillingTurningWaterjet | ISO 9001, AS9100, CMMC |
| Swiss Productions, Inc Milling, Turning, Assembly · ISO 9001 | Liberty Lake, WA | MillingTurningAssembly | ISO 9001 |
| Techcraft Precision Milling, Finishing · AS9100, ITAR, CMMC | Bellingham, WA | MillingFinishing | AS9100, ITAR, CMMC |
| TMF Inc Milling, Turning, Welding, Finishing, Assembly · ISO 9001, AS9100, ITAR, NADCAP | Poulsbo, WA | MillingTurningWeldingFinishingAssembly | ISO 9001, AS9100, ITAR, NADCAP |
| TNT Machining LLC Milling, Turning, Grinding, Finishing | Sumas, WA | MillingTurningGrindingFinishing | - |
| Toolcraft Inc Milling, Turning · ISO 9001, ITAR | Monroe, WA | MillingTurning | ISO 9001, ITAR |
| US Aluminum Castings Milling, Turning, Casting, Grinding, Finishing, Assembly · ISO 9001, ITAR, NADCAP, IATF 16949 | Entiat, WA | MillingTurningCastingGrindingFinishingAssembly | ISO 9001, ITAR, NADCAP, IATF 16949 |