| PCParamit Corporation | Morgan Hill | CA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| PCPeak Collision 2 | Littleton | CO | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| PSPennsylvania Sintered Metals INC | Emporium | PA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| PUPetmin USA Incorporated (0204012023) | Ashtabula | OH | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| POPhlebotomists on Wheels | Pompano Beach | FL | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| PMPrecision Machine Shop Inc | Houston | TX | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| PTPrecision Tooling Technologies, LLC | Zeeland | MI | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
 Prentex Alloy Fabricators, Incorporated | Dallas | TX | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| PDProtech Design | Anaheim | CA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| QQQuick Quack Car Wash Coe | Roseville | CA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| RFRebellion Fabrication LLC | Wahoo | NE | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| RERepublic Engineered Products, INC. | Canton | OH | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| RSRepublic Steel, Lackawanna | Blasdell | NY | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| RPR P M Centerless Grinding CO | Norco | CA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| RTRr Traders & Import Export LLC | Lewis Center | OH | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| RIRusselloy Iron Foundry, LLC | Coralville | IA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
 Schlosser Forge Company Rancho Plant #2 | Fontana | CA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| SISearing Ind | Rancho Cucamonga | CA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| SFSefi Fabricators; IMC Teddy; Bayone Stainless Products | Amityville | NY | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| SPShawcor Pipe Protection LLC. | Fontana | CA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| SSSheffield Steel Products INC | Macedonia | OH | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| SMShieldalloy Metallurgical | Newfield | NJ | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| SDSigma DG Corporation Inc. | Vancouver | WA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
 Skyline Steel CORP | Brooklyn | NY | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| SMSnl-iov Montclair Owner LLC | Montclair | CA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| SISolsil Incorporated (0684000225) | Beverly | OH | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| SPSouthern Perfection Fabrication Holdings, INC. | Byron | GA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| SSSouthern Star Steel Services LLC | Lorena | TX | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| SSSouthern Steel Fabricators | Metairie | LA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| SMSpg Mechanical | Pocatello | ID | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| SSS & S Custom Iron Works Llc | Redmond | WA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| SSStainless Steel Tanks, INC. | Saint Mary | MO | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| SSState Steel of South Dakota, INC. | Sioux Falls | SD | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| SSStation Steel Services, Inc | Milford | PA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| SDSteel Dynamics, INC. (sdi), Structural | Columbia City | IN | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| SDSteel Dynamics, INC. - Swva, INC. | Huntington | WV | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| SRSteel Resources Unlimited, INC. | Miami | FL | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| SRSteel Resources Unlimited, INC. | Miramar | FL | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| STSteel Technology & Design, INC. | Lakeland | FL | Wood Product Manufacturing321214 | — | ◇ UNVERIFIED |
| SSSterling Steel Fabrications INC | West Palm Beach | FL | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| SPSuncoast Projects, LLC | Groveland | FL | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| TCTejas Casing | Houston | TX | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| TSTexas Steel Tech LLC | Weatherford | TX | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| TWTexas Wheel Repair Express 360 LLC | Dallas | TX | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| T2The 291 Cpw Condominium | New York | NY | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| TCThe Carlstar Group LLC | Ontario | CA | Primary Metal Manufacturing331110 | — | ▲ REPORTED CLOSED |
| TIThe Iron Works LTD. | Des Moines | IA | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| TTThe Timken Company | Canton | OH | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| TTThe Timken Steel Corporation | Canton | OH | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| TTThe Timkensteel Corporation | Canton | OH | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
