| Antonio's Metal Works, Inc Welding | El Cajon, CA | Welding | - |
| Sanders Metal Products Inc Milling, Turning, Bending, Welding | Fargo, ND | MillingTurningBendingWelding | - |
| Oscar's Custom Iron Works Welding | San Antonio, TX | Welding | - |
| Steeltron Metal Works Bending, Welding | San Antonio, TX | BendingWelding | - |
| Texas Specialty Steel Welding | San Antonio, TX | Welding | - |
| Acosta Sheet Metal Manufacturing Bending | San Jose, CA | Bending | - |
| Alex Machining Corp Milling, Turning | San Diego, CA | MillingTurning | - |
| Casco Machining Inc. Milling, Turning, Welding · ISO 9001 | San Jose, CA | MillingTurningWelding | ISO 9001 |
| Coast Metal Cutting Turning | San Jose, CA | Turning | - |
| Coast Precision Enterprises Milling, Turning · ISO 9001, AS9100, ITAR | San Diego, CA | MillingTurning | ISO 9001, AS9100, ITAR |
| CPK Manufacturing Milling, Turning, EDM · ISO 9001 | San Jose, CA | MillingTurningEDM | ISO 9001 |
| Futuristics Machine, Inc. Welding · ISO 9001 | San Diego, CA | Welding | ISO 9001 |
| High Speed CNC Milling, Turning · ISO 9001, AS9100 | Santa Clara, CA | MillingTurning | ISO 9001, AS9100 |
| Morena Welding Inc Welding | San Diego, CA | Welding | - |
| New World Machining Inc Milling, Turning, Welding | San Jose, CA | MillingTurningWelding | - |
| AC Manufacturing Milling, Turning, Welding | San Jose, CA | MillingTurningWelding | - |
| Alamo City Custom Welding & Construction Welding | San Antonio, TX | Welding | - |
| Anthony Machine Milling, Turning, Welding | San Antonio, TX | MillingTurningWelding | - |
| Brian's Welding Welding | San Jose, CA | Welding | - |
| C & F Tool & Die Milling, Turning, Welding · ISO 9001, AS9100, ITAR | San Antonio, TX | MillingTurningWelding | ISO 9001, AS9100, ITAR |
| Clint Precision Manufacturing Milling, Turning, Welding, Waterjet · ISO 9001 | San Diego, CA | MillingTurningWeldingWaterjet | ISO 9001 |
| Cortec Precision Sheetmetal Milling, Turning, Bending, Laser, Welding | San Jose, CA | MillingTurningBendingLaserWelding | - |
| Etogen Precision Milling, Turning, Welding · ISO 9001, AS9100, ITAR | San Diego, CA | MillingTurningWelding | ISO 9001, AS9100, ITAR |
| Excel Machining Milling, Turning, Bending, Welding, Waterjet · ISO 9001 | Santa Clara, CA | MillingTurningBendingWeldingWaterjet | ISO 9001 |
| Hitech Metalfab Inc Bending, Welding · ISO 9001 | Santa Clara, CA | BendingWelding | ISO 9001 |
| Inno Tech Manufacturing Inc Milling, Turning, Laser · AS9100 | San Diego, CA | MillingTurningLaser | AS9100 |
| Jerry's Welding & Machine Welding | San Diego, CA | Welding | - |
| JP Metal Fabrication, Inc. Milling, Bending, Laser, Welding | Santa Clara, CA | MillingBendingLaserWelding | - |
| LT CNC Machining Inc. Milling, Turning, Welding · AS9100 | San Diego, CA | MillingTurningWelding | AS9100 |
| Luna's Sheet Metal Inc Milling, Turning, Bending, Laser, Welding | Santa Clara, CA | MillingTurningBendingLaserWelding | - |
| M&M Metals Inc. Bending, Laser, Welding | San Antonio, TX | BendingLaserWelding | - |
| Machinist Lab Milling, EDM | San Diego, CA | MillingEDM | - |
| Master Metal Products Co Bending, Welding | San Jose, CA | BendingWelding | - |
| Master Precision Machining Milling, Welding · ISO 9001, AS9100 | Santa Clara, CA | MillingWelding | ISO 9001, AS9100 |
| Optima Precision Milling, Turning, Bending, Welding, EDM, Metal AM · ISO 9001, AS9100, ISO 13485, NADCAP | San Jose, CA | MillingTurningBendingWeldingEDMMetal AM | ISO 9001, AS9100, ISO 13485, NADCAP |
| Richards Machining Co Inc Milling, Turning | Santa Clara, CA | MillingTurning | - |
| SOS Steel Co Inc Welding | Santa Clara, CA | Welding | - |
| Steel Werx Bending, Welding | Santa Clara, CA | BendingWelding | - |
| Texas Sheet Metal Bending, Welding | San Antonio, TX | BendingWelding | - |
| Tobar Industries Milling, Turning, Bending, Welding | San Jose, CA | MillingTurningBendingWelding | - |
| Willcox Metal Fabricators Welding | San Antonio, TX | Welding | - |
| Accu-Tool, LLC Milling, Turning, EDM · ISO 9001, AS9100 | Apex, NC | MillingTurningEDM | ISO 9001, AS9100 |
| Aero-Space Tooling & Machining Milling, Turning, EDM · ISO 9001, AS9100 | Salt Lake City, UT | MillingTurningEDM | ISO 9001, AS9100 |
| Amherst Stainless Fabrication, LLC Turning, Welding, Waterjet | Buffalo, NY | TurningWeldingWaterjet | - |
| C-B Tool Co Milling, Turning, Welding · ISO 9001 | Lancaster, PA | MillingTurningWelding | ISO 9001 |
| Defiant CNC Milling, Turning | Orlando, FL | MillingTurning | - |
| Innovation Alley Milling, Turning, Bending, Welding | Fresno, CA | MillingTurningBendingWelding | - |
| Machinist Group Corporation Milling, Turning, Waterjet · ISO 9001, ITAR | Reno, NV | MillingTurningWaterjet | ISO 9001, ITAR |
| Maumee Valley Fabricators Turning, Welding | Toledo, OH | TurningWelding | - |
| Megla Manufacturing, Inc. Milling, Bending, Laser, Welding, Waterjet | National City, CA | MillingBendingLaserWeldingWaterjet | - |