| RSRomar Supply, Incorporated | Irving | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| RBRoss Bending Dynamics LLC | Minneapolis | MN | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| RWRoss Wheel Service INC | Bloomington | MN | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| SHSaar Holdings, LLC | Magna | UT | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| SPS.A.E. Pipe Welding and Fabrication L.L.C. | Brigham City | UT | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| SFSamson Fabricators, LLC | Clute | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| SGSbi General & Mechanical INC. | Waterbury | NE | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| SMSchadegg Mechanical INC | South St Paul | MN | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| SBSelect Build INC | Escondido | CA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| SPSelling Precision INC. | West Milford | NJ | Fabricated Metal Product Manufacturing332912 | — | ◇ UNVERIFIED |
| SFSentry Fire Protection Incorporated | York | PA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| SCShaw Constructors INC - Sw Region - Sulphur Facility | Sulphur | LA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| SFShaw Fabricators | Houston | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| SSShaw Shreveport Shreveport Facility | Shreveport | LA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| SMSimmons Manufacturing Company | Mcdonough | GA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| SISmith-cooper International | Commerce | CA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| SCSoutheast Culvert, INC. | Cleveland | AL | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| SISouthern Industrial Mechanical Maintenance Company Ii, LLC | Brownsville | TN | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| SISouthern Industrial Mechanical Maintenance Company, LLC | Shreveport | LA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| STSouthern Tube Form | Clinton | TN | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| SPSouthland Pipe Corporation | Hesperia | CA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| SSS & S Tube INC | Bay Port | MI | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| SUStant USA CORP | Romeo | MI | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
 Stephens Pipe & Steel, LLC | Wyoming | MI | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| SISulvan Industrial Piping | Perth Amboy | NJ | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| SDSuperior Drillpipe Manufacturing | Houston | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| STSuperior Tube Products, INC. | Davenport | IA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| SNSupply Network INC Dba Viking Supplynet & Fabrication Services | Santa Fe Spgs | CA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| SNSupply Network INC Dba Viking Supplynet & Fabrication Services | Hayward | CA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| TITbc INC | Green Bay | WI | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| TCTejas Casing | Houston | TX | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| TTTejas Tubular Products | Houston | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| TFTenaris Freeport | Freeport | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| TATexas Arai | Houston | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| TSTexas Steel Conversion INC | Houston | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| TFThe Ford Meter Box Company, INC. (dowzer) | Pell City | AL | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
 Thermal Pipe Systems, INC. | Durant | OK | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| TTThe Tapco Tube Company | Kansas City | MO | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| TGThomas G. Gallagher, INC. | Andover | MA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| TATi Automotive | Cartersville | GA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| TATi Automotive Systems, LLC | Cartersville | GA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| T4Tmb 440ae, INC. | Elgin | IL | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| TITmk Ipsco | Catoosa | OK | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| TCTrade Construction Company, LLC | Baton Rouge | LA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| TCTri County Tube INC | Clinton | TN | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| TFTrident Fire & Fabrication, LLC | Carlstadt | NJ | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| TITri-State Industries of Tulsa LLC | Tulsa | OK | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| TTTrojan Tube Sales and Fabrications INC. | Muncy | PA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| TRT. Rowe Pipe, LLC | Ponca City | OK | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| TITubes, INC | Geismar | LA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
