| MSP Maufacturing Milling, Turning, Bending, Welding, Finishing, Assembly | Bloomington, IN | MillingTurningBendingWeldingFinishingAssembly | - |
| Music City Sheet Metal Bending, Laser, Welding | Nashville, TN | BendingLaserWelding | - |
| Napoleon Machine LLC Milling, Bending, Welding, Forging, Grinding · ISO 9001, ITAR, CMMC | Napoleon, OH | MillingBendingWeldingForgingGrinding | ISO 9001, ITAR, CMMC |
| New Tech Metals Milling, Turning, Laser, Punching, Bending, Welding, Stamping, Finishing, Assembly · ISO 9001, AS9100, ITAR, IATF 16949, CMMC | Green Bay, WI | MillingTurningLaserPunchingBendingWeldingStampingFinishingAssembly | ISO 9001, AS9100, ITAR, IATF 16949, CMMC |
| NMB Manufacturing LLC Milling, Turning, Bending, Welding | Bixby, OK | MillingTurningBendingWelding | - |
| Northern States Metals Bending, Welding, Stamping · ISO 9001 | Youngstown, OH | BendingWeldingStamping | ISO 9001 |
| Northwest Steel Fab, Inc Milling, Punching, Bending, Welding | Deer Park, WA | MillingPunchingBendingWelding | - |
| NRL & Associates Inc Milling, Turning, Bending, Welding, Assembly | Stevensville, MD | MillingTurningBendingWeldingAssembly | - |
| O. W. Landergren, Inc Milling, Laser, Punching, Bending, Welding, Stamping, EDM, Grinding, Finishing | Pittsfield, MA | MillingLaserPunchingBendingWeldingStampingEDMGrindingFinishing | - |
| OGS Industries Turning, Bending, Laser, Welding, Stamping · ISO 9001, AS9100, ITAR, IATF 16949 | Akron, OH | TurningBendingLaserWeldingStamping | ISO 9001, AS9100, ITAR, IATF 16949 |
| Omega Metals Bending, Welding | Ogden, UT | BendingWelding | - |
| Ottenweller Company, Inc. Bending, Laser, Welding · ISO 9001 | Fort Wayne, IN | BendingLaserWelding | ISO 9001 |
| Ozark Steel Llc Milling, Bending, Laser, Welding · ISO 9001 | Tulsa, OK | MillingBendingLaserWelding | ISO 9001 |
| Pacific Architectural Metals LLC Bending, Laser, Welding | Seattle, WA | BendingLaserWelding | - |
| Parallax Manufacturing LLC Milling, Turning, Bending, Welding, Stamping, Assembly · NADCAP | Lake Elsinore, CA | MillingTurningBendingWeldingStampingAssembly | NADCAP |
| Patience Metal Fab Turning, Bending, Welding | Brooklyn Center, MN | TurningBendingWelding | - |
| Pen Manufacturing Milling, Turning, Bending, Welding · ISO 9001, AS9100, ITAR, NADCAP | Anaheim, CA | MillingTurningBendingWelding | ISO 9001, AS9100, ITAR, NADCAP |
| Perforated Panels Laser, Waterjet, Bending, Welding | Pacoima, CA | LaserWaterjetBendingWelding | - |
| Pmi LLC Laser, Punching, Bending, Welding, Stamping, Assembly | Bloomer, WI | LaserPunchingBendingWeldingStampingAssembly | - |
| Precision Laser Services Inc Milling, Turning, Laser, Punching, Bending, Welding, Stamping, Grinding | Fort Wayne, IN | MillingTurningLaserPunchingBendingWeldingStampingGrinding | - |
| Precision Machining & Fab Milling, Turning, Bending, Laser, Welding, Waterjet · ISO 9001, AS9100, ITAR | Anaheim, CA | MillingTurningBendingLaserWeldingWaterjet | ISO 9001, AS9100, ITAR |
| Premier Aerospace Group LLC Milling, Bending, Welding | Dayton, OH | MillingBendingWelding | - |
| Premier Steel Bending, Welding | Anaheim, CA | BendingWelding | - |
| Pro-Tek Manufacturing Inc Bending, Welding | Livermore, CA | BendingWelding | - |
| Pro-Type Industries Inc Milling, Turning, Laser, Punching, Bending, Welding, Stamping, Finishing · ISO 9001 | Sterling, VA | MillingTurningLaserPunchingBendingWeldingStampingFinishing | ISO 9001 |
| Pro-Weld LLC Bending, Welding | Lexington, KY | BendingWelding | - |
| Production Engineering Corporation Milling, Punching, Bending, Welding · ITAR | Minneapolis, MN | MillingPunchingBendingWelding | ITAR |
| QTM Inc Milling, Turning, Waterjet, Bending, Welding, Grinding | Oldsmar, FL | MillingTurningWaterjetBendingWeldingGrinding | - |
| Quality Products, LLC Milling, Turning, Bending, Laser, Welding · ISO 9001, ITAR | Charlotte, NC | MillingTurningBendingLaserWelding | ISO 9001, ITAR |
| R-O Mfg. Co Laser, Punching, Bending, Welding, Assembly · ISO 9001, ITAR | Fort Worth, TX | LaserPunchingBendingWeldingAssembly | ISO 9001, ITAR |
| R.W. FAB. Jarvis Ent Inc Bending, Welding | Spokane, WA | BendingWelding | - |
| Rainier Metal Works Bending, Welding | Seattle, WA | BendingWelding | - |
| Raleigh Mechanical & Metals Turning, Bending, Welding | Raleigh, NC | TurningBendingWelding | - |
| Ramda Metal Specialities Milling, Turning, Laser, Waterjet, Punching, Bending, Welding, Stamping · ISO 9001 | Gardena, CA | MillingTurningLaserWaterjetPunchingBendingWeldingStamping | ISO 9001 |
| Ray Machine Inc Milling, Turning, Laser, Bending, Welding, Finishing · ISO 9001, AS9100 | Middle River, MD | MillingTurningLaserBendingWeldingFinishing | ISO 9001, AS9100 |
| RC Supply Corp Bending, Welding | Freeport, NY | BendingWelding | - |
| RCI Custom Milling, Laser, Bending, Welding, Finishing · ISO 9001 | Frederick, MD | MillingLaserBendingWeldingFinishing | ISO 9001 |
| RECR Milling, Waterjet, Bending, Welding | Dayton, OH | MillingWaterjetBendingWelding | - |
| Redstone Manufacturing USA Milling, Bending, Laser, Welding, Stamping, Casting · ISO 9001, AS9100, IATF 16949 | Seattle, WA | MillingBendingLaserWeldingStampingCasting | ISO 9001, AS9100, IATF 16949 |
| Richards Sheet Metal Turning, Bending, Laser, Welding, Stamping · ISO 9001 | Ogden, UT | TurningBendingLaserWeldingStamping | ISO 9001 |
| Rivers Metal Products Bending, Laser, Welding | Lincoln, NE | BendingLaserWelding | - |
| Rivtec LLC Laser, Bending, Welding, Assembly | Santa Ana, CA | LaserBendingWeldingAssembly | - |
| Roaring Creek Machine Co Milling, Turning, Laser, Bending, Welding, Finishing · ITAR | Catawissa, PA | MillingTurningLaserBendingWeldingFinishing | ITAR |
| Rocky Mountain Waterjet, LLC Laser, Waterjet, Bending, Welding, Finishing | Greeley, CO | LaserWaterjetBendingWeldingFinishing | - |
| Ross Manufacturing, Inc Milling, Turning, Laser, Bending, Welding, Finishing | Saint Francis, KS | MillingTurningLaserBendingWeldingFinishing | - |
| S & R Sheet Metal, Inc Laser, Punching, Bending, Welding, Finishing | Kelso, WA | LaserPunchingBendingWeldingFinishing | - |
| S&B Metal Products of Daytona LLC Laser, Punching, Bending, Welding, Finishing | Daytona Beach, FL | LaserPunchingBendingWeldingFinishing | - |
| Sales & Engineering Inc Milling, Turning, Bending, Welding, Stamping | Livonia, MI | MillingTurningBendingWeldingStamping | - |
| Sanders Metal Products Inc Milling, Turning, Bending, Welding | Fargo, ND | MillingTurningBendingWelding | - |
| Scherer Metals - 1299 E. 58th Avenue, Denver Bending, Welding | Denver, CO | BendingWelding | - |