 Skyline Steel CORP | Brooklyn | NY | — | ◇ UNVERIFIED |
| SLSlater Lemont CORP | Lemont | IL | — | ◇ UNVERIFIED |
| SASlob and Sons Pipe & Casing, INC. | Marion | OH | — | ◇ UNVERIFIED |
| SSSmi Steel Arkansas (dba Cmc Steel Ar) | Magnolia | AR | — | ◇ UNVERIFIED |
| SMSms Mill Services LLC Contractor of Ace | Burns Harbor | IN | — | ◇ UNVERIFIED |
| SESnelling Employment, LLC | Odessa | TX | — | ◇ UNVERIFIED |
| SMSnl-iov Montclair Owner LLC | Montclair | CA | — | ◇ UNVERIFIED |
| SISolsil Incorporated (0684000225) | Beverly | OH | — | ◇ UNVERIFIED |
| SPSouthern Perfection Fabrication Holdings, INC. | Byron | GA | — | ◇ UNVERIFIED |
| SSSouthern Star Steel Services LLC | Lorena | TX | — | ◇ UNVERIFIED |
| SSSouthern Steel Fabricators | Metairie | LA | — | ◇ UNVERIFIED |
| SSSouthern Steel Products CO | Clarksburg | WV | — | ◇ UNVERIFIED |
| SSSouthern Steel Specialists | Clermont | GA | — | ◇ UNVERIFIED |
| SMSouthwind Milling Company, LLC | Pine Bluff | AR | — | ◇ UNVERIFIED |
| SSSovereign Steel Manufacturing, LLC | Allentown | PA | — | ◇ UNVERIFIED |
| SSpacerak | Marlette | MI | — | ◇ UNVERIFIED |
| SISpacewalker, INC. | Bonne Terre | MO | — | ◇ UNVERIFIED |
| SWSparkster Welding Fabrication & | Springtown | TX | — | ◇ UNVERIFIED |
| SMSpg Mechanical | Pocatello | ID | — | ◇ UNVERIFIED |
 Springs Fabrication, INC | Loveland | CO | — | ◇ UNVERIFIED |
| SSS & S Custom Iron Works Llc | Redmond | WA | — | ◇ UNVERIFIED |
| SSStainless Steel Tanks, INC. | Saint Mary | MO | — | ◇ UNVERIFIED |
| SMStar Metals, Inc. | Jurupa Valley | CA | — | ◇ UNVERIFIED |
| SPStar Pipe Products | Houston | TX | — | ◇ UNVERIFIED |
| STStar Tubular Services Division | Lone Star | TX | — | ◇ UNVERIFIED |
| SSState Steel of South Dakota, INC. | Sioux Falls | SD | — | ◇ UNVERIFIED |
| SSStation Steel Services, Inc | Milford | PA | — | ◇ UNVERIFIED |
| SDSteel Dynamics, INC. | Lake City | FL | — | ◇ UNVERIFIED |
| SDSteel Dynamics, INC. (sdi), Structural | Columbia City | IN | — | ◇ UNVERIFIED |
| SDSteel Dynamics, INC. - Swva, INC. | Huntington | WV | — | ◇ UNVERIFIED |
| SPSteel Pipe Fabricators, LLC | Norcross | GA | — | ◇ UNVERIFIED |
| SRSteel Resources Unlimited, INC. | Miramar | FL | — | ◇ UNVERIFIED |
| SRSteel Resources Unlimited, INC. | Miami | FL | — | ◇ UNVERIFIED |
| SSSteel Serevices INC | Norfolk | VA | — | ◇ UNVERIFIED |
 Steel Service Center, INC. | Lewiston | ME | — | ◇ UNVERIFIED |
| SSSteel Suppliers Erectors INC. | Wilmington | DE | — | ◇ UNVERIFIED |
| STSteel Technology & Design, INC. | Lakeland | FL | — | ◇ UNVERIFIED |
| SPSterling Pipe & Tube, INC. | Toledo | OH | — | ◇ UNVERIFIED |
| SSSterling Steel CO LLC | Sterling | IL | — | ◇ UNVERIFIED |
| SSSterling Steel Fabrications INC | West Palm Beach | FL | — | ◇ UNVERIFIED |
| SSSteven Steel Supply | Columbus | OH | — | ◇ UNVERIFIED |
| SGStone Gryphon Tactical LLC | Chula Vista | CA | — | ◇ UNVERIFIED |
| SCStupp CORP | Baton Rouge | LA | — | ◇ UNVERIFIED |
| S7Subsea 7 Ingleside | Ingleside | TX | — | ◇ UNVERIFIED |
| SGSummit Global Contractors, INC. | Vidor | TX | — | ◇ UNVERIFIED |
| SISummit Iron Works Group INC | Gardena | CA | — | ◇ UNVERIFIED |
| SSSummit Steel Corporation | Chagrin Falls | OH | — | ◇ UNVERIFIED |
| SPSuncoast Projects, LLC | Groveland | FL | — | ◇ UNVERIFIED |
| SGSuncoke Gpi LLC | Granite City | IL | — | ◇ UNVERIFIED |
| SMSuperior Metal Fabricators, INC. | Las Vegas | NV | — | ◇ UNVERIFIED |
| SSSusini Specialty Steels, INC. | Natrona Heights | PA | — | ◇ UNVERIFIED |
| STSwepco Tube LLC | Clifton | NJ | — | ◇ UNVERIFIED |
| SSSxp Schulz Xtruded Products LLC | Hernando | MS | — | ◇ UNVERIFIED |
| SISymmco Inc/sykesville | Sykesville | PA | — | ◇ UNVERIFIED |
| TTamco | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
| TSTampa Steel & Supply | Tampa | FL | — | ◇ UNVERIFIED |
| TITasco Iron & Metal, LLC | Lake Havasu City | AZ | — | ◇ UNVERIFIED |
| TMTaylor Metal Works & Pipe Co., INC. | Port Arthur | TX | — | ◇ UNVERIFIED |
| TQTeam Quality Services, INC. | Panama City | FL | — | ◇ UNVERIFIED |
| TTTech Tube Inc/upper Merion | King of Prussia | PA | — | ◇ UNVERIFIED |
| TTTeda Tpco America Corporation | Gregory | TX | — | ◇ UNVERIFIED |
| TCTejas Casing | Houston | TX | — | ◇ UNVERIFIED |
| TATeledyne Adams | Union | NJ | — | ◇ UNVERIFIED |
| TCTenaris Coiled Tubes - Seacat | Houston | TX | — | ◇ UNVERIFIED |
| TMTenaris Mesa | Houston | TX | — | ◇ UNVERIFIED |
| TSTetra Steel Corporation | Bronx | NY | — | ◇ UNVERIFIED |
| TSTetra Steel Corporation | Montclair | NJ | — | ◇ UNVERIFIED |
| TSTexas Specialty Steel, LLC | San Antonio | TX | — | ◇ UNVERIFIED |
| TSTexas Steel Tech LLC | Weatherford | TX | — | ◇ UNVERIFIED |
| TTTexas Tubular Products | Lone Star | TX | — | ◇ UNVERIFIED |
| TWTexas Wheel Repair Express 360 LLC | Dallas | TX | — | ◇ UNVERIFIED |
| T2The 291 Cpw Condominium | New York | NY | — | ◇ UNVERIFIED |
| TCThe Carlstar Group LLC | Ontario | CA | — | ◇ UNVERIFIED |
| THThe Herrick Corporation | San Bernardino | CA | — | ◇ UNVERIFIED |
| TIThe Iron Works LTD. | Des Moines | IA | — | ◇ UNVERIFIED |
| TTThe Timken Company | Canton | OH | — | ◇ UNVERIFIED |
| TTThe Timken Steel Corporation | Canton | OH | — | ◇ UNVERIFIED |
| TTThe Timkensteel Corporation | Canton | OH | — | ◇ UNVERIFIED |
| TWThe Wilmington Iron and Metal Company, Inc. | Wilmington | OH | — | ◇ UNVERIFIED |
| TPThompson Pipe Group Pressure | Grand Prairie | TX | — | ◇ UNVERIFIED |
| TEThormax Enterprises, LLC | Columbus | IN | — | ◇ UNVERIFIED |
| TEThormax Enterprises, LLC | Columbus | IN | — | ◇ UNVERIFIED |
| TCThriller Car Company, Inc. | Salt Lake City | UT | — | ◇ UNVERIFIED |
| TATi Automotive (formerly Bundy Corportation) | Warren | MI | — | ◇ UNVERIFIED |
| TATi Automotive Systems | Auburn Hills | MI | — | ◇ UNVERIFIED |
| TFTi Fluid Systems | Tallassee | AL | — | ◇ UNVERIFIED |
| TGTi Group Automotive System, LLC | Cynthiana | KY | — | ◇ UNVERIFIED |
| TGTi Group Automotive Systems LLC | Auburn Hills | MI | — | ◇ UNVERIFIED |
| TCTimkensteel CORP - Faircrest Steel Plant | Canton | OH | — | ◇ UNVERIFIED |
| TCTimkensteel CORP - Harrison Steel Plant | Canton | OH | — | ◇ UNVERIFIED |
| TCTimkensteel Corporation | Canton | OH | — | ◇ UNVERIFIED |
| TWTi Wire | Rancho Cucamonga | CA | — | ◇ UNVERIFIED |
| TITmk Ipsco | Brookfield | OH | — | ◇ UNVERIFIED |
| TWTodd's Welding INC. | Fruita | CO | — | ◇ UNVERIFIED |
| TMTomco Machining INC | Dayton | OH | — | ◇ UNVERIFIED |
| TTTotten Tubes INC - Santee | Santee | CA | — | ◇ UNVERIFIED |
| TMTransMachine MTT Inc. | Aurora | IL | — | ◇ UNVERIFIED |
| TFTrans-tex Fabricating CO. INC. | San Antonio | TX | — | ◇ UNVERIFIED |
| TTTrent Tube | Carrollton | GA | — | ◇ UNVERIFIED |
| TPTricon Piping System, INC. | Canastota | NY | — | ◇ UNVERIFIED |
