| SLSalt Lake City Fabrication | Tooele | UT | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| SSSamuel, Son & Company (usa) INC. | Birmingham | AL | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| SRSa Recycling | Anaheim | CA | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| SISemco INC | Marion | OH | Primary Metal Manufacturing331525 | — | ◐ LIKELY ACTIVE |
| SFSenior Flexonics Pathway - Texas | New Braunfels | TX | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| SPShield Pattern Works INC | Blaine | MN | Fabricated Metal Product Manufacturing332997 | 1-19 | ◐ LIKELY ACTIVE |
| SIShumaker Ind/northumberland Plt | Northumberland | PA | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| STSjoberg Tool & Manufacturing Corp. North Facility | Hartland | WI | Fabricated Metal Product Manufacturing332116 | 100-499 | ◐ LIKELY ACTIVE |
| SSmith+Griffin | Byhalia | MS | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| STSmiths Tubular Systems Laconia INC | Laconia | NH | Fabricated Metal Product Manufacturing332999 | 100-499 | ◐ LIKELY ACTIVE |
| SPSouthern Pride Distributing, LLC | Alamo | TN | Fabricated Metal Product Manufacturing332999 | 1-19 | ◐ LIKELY ACTIVE |
| SBSpecialty Bar Products Company | Blairsville | PA | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| SISpecsys INC - New Ulm | New Ulm | MN | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| SMStalcop Metal Forming LLC | Thorntown | IN | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| SIStandard Iron & Wire Works | Thomson | GA | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| SMStar Manufacturing INC | Lexington | KY | Primary Metal Manufacturing331221 | 100-499 | ◐ LIKELY ACTIVE |
| SPSteel Plus INC Dba Flintwood Metals INC | Lebanon | PA | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| SSSteel Summit Tennessee | La Vergne | TN | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| SSSteffes Solutions LLC - Dickinson | Dickinson | ND | Fabricated Metal Product Manufacturing332999 | 100-499 | ◐ LIKELY ACTIVE |
| SIStoutco, INC. | Bristol | IN | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| SSSummit Steel Fabricating Group, INC. | Reading | PA | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| SSSummit Steel, INC. | New Castle | DE | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| SSSunshine Services | Knoxville | TN | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| SFSuperior Fabricating INC | Alpena | MI | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| SPSwiss Pattern CORP. | Santa Ana | CA | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| TWTailor Welded Blanks Innovation | Valley City | OH | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| TPTech Precision Sftf | Hadley | PA | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| THTestrite Holdings, LLC | Hackensack | NJ | Fabricated Metal Product Manufacturing332999 | 100-499 | ◐ LIKELY ACTIVE |
| TLThe Lighthouse for the Blind, Incorporated | Spokane | WA | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| TWThe Williams Company | Bristol | VA | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| TMThieman Manufacturing Technologies | Ellenboro | NC | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| TMThk Manufacturing of America | Hebron | OH | Fabricated Metal Product Manufacturing332991 | 100-499 | ◐ LIKELY ACTIVE |
| TCTim Crawford's Kuna Machine Shop LLC. | Kuna | ID | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| TITower Industries, INC. | Greenville | WI | Fabricated Metal Product Manufacturing332993 | — | ◐ LIKELY ACTIVE |
| TMTower Metal Works | Maple Hill | KS | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| TWTrailer World INC. | Ozark | AL | Fabricated Metal Product Manufacturing332999 | 100-499 | ◐ LIKELY ACTIVE |
| TTTrans Tube INC | Pontiac | MI | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| TBTriad Bellows | Anaheim | CA | Fabricated Metal Product Manufacturing332112 | 20-99 | ◐ LIKELY ACTIVE |
| UCUltra Clean Technology - Hayward | Hayward | CA | Fabricated Metal Product Manufacturing332999 | 100-499 | ◐ LIKELY ACTIVE |
| UMUms Metal Fabricators INC | Mobile | AL | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| UCUniform Components Corp. | Houston | TX | Primary Metal Manufacturing331221 | 100-499 | ◐ LIKELY ACTIVE |
| UMUniversal Molding Extrusion CO | Downey | CA | Primary Metal Manufacturing331316 | — | ◐ LIKELY ACTIVE |
| VEValicor Environmental Services | Memphis | TN | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| VDVee Dennis Manufacturing CO | Cherry Hill | NJ | Fabricated Metal Product Manufacturing332322 | — | ◐ LIKELY ACTIVE |
| VTVeelo Technologies LLC | Cincinnati | OH | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| VFVicon Fabricating Company, LLC | Mentor | OH | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| VNVoestalpine Nortrak INC. | Birmingham | AL | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| VPVollarath (carlson Products) | Maize | KS | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| VEVortex Engineering, LLC | Santee | CA | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| WPWabtec Passenger Transit | San Fernando | CA | Fabricated Metal Product Manufacturing332999 | 1-19 | ◐ LIKELY ACTIVE |