| Steel Specialties Inc. Welding | El Paso, TX | Welding | - |
| Elemetal Fabrication and Machine (Formerly American Machine Works) Milling, Bending, Welding, Waterjet | Omaha, NE | MillingBendingWeldingWaterjet | - |
| Elite Welding & Fabrication LLC Bending, Welding | Galesburg, MI | BendingWelding | - |
| Elite Turning & Machining Corp Milling, Turning, EDM, Casting · AS9100 | Rochester, NY | MillingTurningEDMCasting | AS9100 |
| A-1 Steel, Inc. Welding | Sparks, NV | Welding | - |
| A4 Welding Inc. Welding | Riverside, CA | Welding | - |
| ACS Steel Company Milling, Turning, Bending, Welding | Tulsa, OK | MillingTurningBendingWelding | - |
| Alamo City Custom Welding & Construction Welding | San Antonio, TX | Welding | - |
| All Precision Metals Bending, Welding | El Paso, TX | BendingWelding | - |
| Alloy Welding and Manufacturing Co., Inc. Welding, Waterjet · ISO 9001 | Bristol, CT | WeldingWaterjet | ISO 9001 |
| Bob’s Welding, Machining & Fabrication, Inc. Bending, Welding | Anaheim, CA | BendingWelding | - |
| Bridge City Steel Bending, Laser, Welding, Waterjet | Portland, OR | BendingLaserWeldingWaterjet | - |
| C S Guenzel Co Bending, Welding | Lincoln, NE | BendingWelding | - |
| Chambers Welding & Fabrication Bending, Welding | Chattanooga, TN | BendingWelding | - |
| Coronado Steel Co Turning, Welding, Casting, Metal AM | Youngstown, OH | TurningWeldingCastingMetal AM | - |
| deMel Fabrication Bending, Laser, Welding | Anaheim, CA | BendingLaserWelding | - |
| Elite Tooling Milling, Turning, EDM | Kalamazoo, MI | MillingTurningEDM | - |
| GMP Welding & Fabrication, Inc. Bending, Welding | Cincinnati, OH | BendingWelding | - |
| Heyel Custom Metal Milling, Turning, Bending, Laser, Welding, Waterjet | Raleigh, NC | MillingTurningBendingLaserWeldingWaterjet | - |
| High Steel Structures LLC Welding | Lancaster, PA | Welding | - |
| J.W. Steel Fabricating Co. Bending, Welding | Mars, PA | BendingWelding | - |
| Jerry's Welding & Machine Welding | San Diego, CA | Welding | - |
| Kern Steel Fabrication Inc Bending, Welding · ISO 9001 | Bakersfield, CA | BendingWelding | ISO 9001 |
| Kozel Steel Welding | Rochester, NY | Welding | - |
| M B Steel Milling, Bending, Laser, Welding, Stamping | St. Louis, MO | MillingBendingLaserWeldingStamping | - |
| Melton Sheet Metal Bending, Welding | Fresno, CA | BendingWelding | - |
| Merritt Welding & Fabrication Bending, Welding | Denver, CO | BendingWelding | - |
| Mid America Steel Inc Milling, Bending, Welding, Casting | Fargo, ND | MillingBendingWeldingCasting | - |
| Morena Welding Inc Welding | San Diego, CA | Welding | - |
| O'Connell Machinery Co Inc Milling, Welding | Buffalo, NY | MillingWelding | - |
| Olson & Co. Steel Welding | Fresno, CA | Welding | - |
| Ottenweller Company, Inc. Bending, Laser, Welding · ISO 9001 | Fort Wayne, IN | BendingLaserWelding | ISO 9001 |
| P&M Steel Company Welding | Sioux Falls, SD | Welding | - |
| Pascetti Steel Design, Inc. Bending, Welding | Albuquerque, NM | BendingWelding | - |
| Pennsylvania Steel Co. Inc. Welding · ISO 9001 | Birmingham, AL | Welding | ISO 9001 |
| Phoenix Welding Welding | Portland, ME | Welding | - |
| Premier Steel Bending, Welding | Anaheim, CA | BendingWelding | - |
| Pro-Weld LLC Bending, Welding | Lexington, KY | BendingWelding | - |
| QSR Steel Corporation Welding | Hartford, CT | Welding | - |
| Ravelin Defense Milling, Turning, Bending, Laser, Welding, Waterjet · ISO 9001, AS9100, ITAR, CMMC | Green Bay, WI | MillingTurningBendingLaserWeldingWaterjet | ISO 9001, AS9100, ITAR, CMMC |
| Rosado Welding Inc. Welding | Dallas, TX | Welding | - |
| Service Steel, Inc. Welding | Huntsville, AL | Welding | - |
| SOS Steel Co Inc Welding | Santa Clara, CA | Welding | - |
| Steel Creations & Fabrication, Inc. Welding | Glendale, AZ | Welding | - |
| Steel House Bending, Welding | Indianapolis, IN | BendingWelding | - |
| Steel Plate Fabricators Milling, Turning, Bending, Laser, Welding, Waterjet, Metal AM | Knoxville, TN | MillingTurningBendingLaserWeldingWaterjetMetal AM | - |
| Steel Tech Fabricator Welding | Rochester, NY | Welding | - |
| Steel Valley Fabricators, LLC Milling, Bending, Welding | Braddock, PA | MillingBendingWelding | - |
| Steel Werx Bending, Welding | Santa Clara, CA | BendingWelding | - |
| Steeltron Metal Works Bending, Welding | San Antonio, TX | BendingWelding | - |