| R & S Machining Inc Milling, Turning, Welding, EDM, Grinding · ISO 9001, AS9100 | Saint Louis, MO | MillingTurningWeldingEDMGrinding | ISO 9001, AS9100 |
| Reardon Machine Co Inc Milling, Turning, Welding, Stamping, EDM, Grinding | Saint Joseph, MO | MillingTurningWeldingStampingEDMGrinding | - |
| Riley Gear Grinding | Saint Augustine, FL | Grinding | - |
| Ross Manufacturing, Inc Milling, Turning, Laser, Bending, Welding, Finishing | Saint Francis, KS | MillingTurningLaserBendingWeldingFinishing | - |
| Seyer Industries Inc Welding, EDM, Assembly | Saint Peters, MO | WeldingEDMAssembly | - |
| Skillcraft Machine Tool Co Inc Milling, Turning, Welding | South Windsor, CT | MillingTurningWelding | - |
| Specialty Engineering Inc Laser, Punching, Bending, Welding, Assembly · ISO 9001 | Saint Paul, MN | LaserPunchingBendingWeldingAssembly | ISO 9001 |
| Systems Powered Manufacturing, LLC Grinding, Finishing, Assembly | Saint Charles, IL | GrindingFinishingAssembly | - |
| The Bennu Group Inc Milling, Turning, Waterjet, Welding, Finishing · ISO 9001 | South Holland, IL | MillingTurningWaterjetWeldingFinishing | ISO 9001 |
| USA Custom Stainless Punching, Bending, Welding | Saint Louis, MO | PunchingBendingWelding | - |
| Vermont Aerospace Industries, LLC Milling, Turning, Assembly · ISO 9001, ITAR | Saint Johnsbury, VT | MillingTurningAssembly | ISO 9001, ITAR |
| Whalley Precision Inc Milling, Turning, Welding, Grinding, Finishing, Assembly · ISO 9001, ITAR, CMMC | Southwick, MA | MillingTurningWeldingGrindingFinishingAssembly | ISO 9001, ITAR, CMMC |
| Whip City Tool & Die Corporation Stamping | Southwick, MA | Stamping | - |
| Wieland Techni-Cast Milling, Casting | South Gate, CA | MillingCasting | - |
| Dms-South/bailey Tool LLC Milling, Turning, Welding, Stamping, EDM | Lancaster, TX | MillingTurningWeldingStampingEDM | - |
| A.m.i. Engineering Co LLC Milling, Turning, Finishing · ISO 9001, ITAR | Santa Ana, CA | MillingTurningFinishing | ISO 9001, ITAR |
| Accu Die & Mold, Inc Milling, Turning, Welding, Casting, EDM | Stevensville, MI | MillingTurningWeldingCastingEDM | - |
| Advanced Metal Manufacturing Inc Milling, Laser, Punching, Bending, Welding, Finishing · ISO 9001, AS9100 | Simi Valley, CA | MillingLaserPunchingBendingWeldingFinishing | ISO 9001, AS9100 |
| Advanced Precision Machining, LLC Milling, Turning, Laser, Waterjet, EDM, Assembly · AS9100, ITAR, CMMC | Costa Mesa, CA | MillingTurningLaserWaterjetEDMAssembly | AS9100, ITAR, CMMC |
| Aerotar Inc Milling, Welding, Grinding · ISO 9001 | Opa Locka, FL | MillingWeldingGrinding | ISO 9001 |
| Anaheim Precision Milling, Turning, Bending, Laser, Welding, Waterjet · ISO 9001, AS9100, NADCAP | Orange, CA | MillingTurningBendingLaserWeldingWaterjet | ISO 9001, AS9100, NADCAP |
| Apex Design Technology of Alabama LLC Milling, Turning, Bending, Welding, Assembly · ISO 9001 | Decatur, AL | MillingTurningBendingWeldingAssembly | ISO 9001 |
| ARC Fabricators Bending, Welding | Sioux Falls, SD | BendingWelding | - |
| BK Customs Bending, Laser, Welding, Waterjet | Riverside, CA | BendingLaserWeldingWaterjet | - |
| Campbell Engineering Milling, Welding, EDM, Finishing, Assembly · ISO 9001, ITAR | Lake Forest, CA | MillingWeldingEDMFinishingAssembly | ISO 9001, ITAR |
| Carollo Metal Works Welding | Chalmette, LA | Welding | - |
| Caron Precision Inc Turning · ISO 9001 | Kalamazoo, MI | Turning | ISO 9001 |
| Chromal Plating Co Grinding, Finishing | Los Angeles, CA | GrindingFinishing | - |
| Columbia Machine Works, Inc Milling, Turning, Welding, Stamping, Casting · ISO 9001, ITAR | Columbia, TN | MillingTurningWeldingStampingCasting | ISO 9001, ITAR |
| Cutting Edge Fabrication LLC Welding | Tucson, AZ | Welding | - |
| DM Machine and Tool LLC Turning, Finishing · ISO 9001, ITAR | Ridgeway, SC | TurningFinishing | ISO 9001, ITAR |
| Exact CNC Industries Inc Milling, Turning, Swiss, Laser · ISO 9001, AS9100, ITAR | Chatsworth, CA | MillingTurningSwissLaser | ISO 9001, AS9100, ITAR |
| Freedom Fabricators Inc Milling, Laser, Waterjet, Punching, Bending, Welding · ISO 9001, AS9100 | Jupiter, FL | MillingLaserWaterjetPunchingBendingWelding | ISO 9001, AS9100 |
| HPR Machine Milling, Turning | Vista, CA | MillingTurning | - |
| J.i.t. Manufacturing, Inc Milling, Laser, Punching, Bending, Welding, Finishing, Assembly | Cowpens, SC | MillingLaserPunchingBendingWeldingFinishingAssembly | - |
| Jerry's Welding & Machine Welding | San Diego, CA | Welding | - |
| John Bouchard & Sons Co Turning, Welding, Stamping, Casting | Nashville, TN | TurningWeldingStampingCasting | - |
| Jones & Lockhart Fabrication LLC Bending, Welding | St. Louis, MO | BendingWelding | - |
| KLM Machining, Inc Milling, Turning, Welding, Finishing | Sussex, WI | MillingTurningWeldingFinishing | - |
| Laserworx Mfg Laser, Bending, Welding, Stamping · AS9100, ITAR | Oxnard, CA | LaserBendingWeldingStamping | AS9100, ITAR |
| Lightsout CNC Manufacturing Company Milling · ISO 9001, ITAR, NADCAP, ISO 13485, CMMC | Beverly Hills, CA | Milling | ISO 9001, ITAR, NADCAP, ISO 13485, CMMC |
| Mason Dixon Fabrication LLC Milling, Turning, Welding, Assembly | Hanover, PA | MillingTurningWeldingAssembly | - |
| P&M Steel Company Welding | Sioux Falls, SD | Welding | - |
| Partco, LLC Turning, Welding | Port Allen, LA | TurningWelding | - |
| Performance Metal Fabricators Inc Finishing | Portsmouth, VA | Finishing | - |
| Price Products Inc Milling, Swiss · ISO 9001, ITAR | Escondido, CA | MillingSwiss | ISO 9001, ITAR |
| Pure Source Welding, Finishing | Fontana, CA | WeldingFinishing | - |
| R&D Machine LLC Milling, Assembly | Murrieta, CA | MillingAssembly | - |
| Rig Machine Works LLC Milling, Turning, Bending, Welding, Grinding | Stevensville, MT | MillingTurningBendingWeldingGrinding | - |
| SKP Machine Enterprises LLC Milling, Turning | Monticello, KY | MillingTurning | - |