| KIKrw, INC. | Cypress | TX | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
| KSKyoei Steel Group | Anthony | TX | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| LQLa Quinta Plant | Portland | TX | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| LTLevy Texas Mill Services | Sinton | TX | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| LMLincoln Manufacturing | Houston | TX | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| LSLone Star Die Casting CORP. | New Braunfels | TX | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| LSLone Star Foundries, INC. | Austin | TX | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
| LFLufkin Foundry & Power Transmission Divisions | Lufkin | TX | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| MSMajestic Steel Usa, INC. | Grand Prairie | TX | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| MCManufactured Component Parts, LTD | Houston | TX | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| MPMarshall Plant | Scottsville | TX | Primary Metal Manufacturing331491 | — | ◇ UNVERIFIED |
| MMcwane | Tyler | TX | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| MMMega Ms LTD | Highlands | TX | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| MMetaltech | Hillsboro | TX | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| MMMetroplex Metal Fabrication | Mesquite | TX | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| MCMid-south Control Line | Houston | TX | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| MEMirin Enterprises LLC | Seagoville | TX | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| MRMjd Resource INC. | Frisco | TX | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| MBMr. Butler | Fulshear | TX | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| NFNational Foundry and Mfg. INC. | Crane | TX | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| NCNiland Company | El Paso | TX | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| NPNorthwest Pipe-houston | Houston | TX | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| NTNov Tubescope | Odessa | TX | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| NSNucor Steel Longview | Longview | TX | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| OWO'brien Wire Products of Texas, INC. | Houston | TX | Primary Metal Manufacturing331222 | — | ◇ UNVERIFIED |
| OSOld School Services | Henderson | TX | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| PCPerformance Contractors Rosharon Facility | Rosharon | TX | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| PEPetrosmith Equipment Abilene Facility | Abilene | TX | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| PRPlano Rod Mill | Plano | TX | Primary Metal Manufacturing331529 | — | ◇ UNVERIFIED |
| PGPly Gem Windows | Bryan | TX | Primary Metal Manufacturing331316 | — | ◇ UNVERIFIED |
| PMPrecision Machine Shop Inc | Houston | TX | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
 Prentex Alloy Fabricators, Incorporated | Dallas | TX | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| PIPSI Industries, Inc. | Irving | TX | Primary Metal Manufacturing331313 | — | ◇ UNVERIFIED |
| QIQuality Ironworks | Dallas | TX | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| RAReal Alloy Recycling, INC. | Houston | TX | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| RIRexnord Industries LLC | Brownsville | TX | Primary Metal Manufacturing331529 | — | ◇ UNVERIFIED |
| RSRey's Stainless Steel & More | Pharr | TX | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| RMRilco Manufacturing Co., Inc. | Houston | TX | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| RIRobcon, INC. | Corpus Christi | TX | Primary Metal Manufacturing331111 | — | ◇ UNVERIFIED |
| RMRoler Machine Shop Incorporated | Brownsville | TX | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| RIRti International Metals INC. | Houston | TX | Primary Metal Manufacturing331318 | — | ◇ UNVERIFIED |
| SSepramet | Houston | TX | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| SNSheldon North Yard | Channelview | TX | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| STSigma Tube & Bar LLC | Houston | TX | Primary Metal Manufacturing331491 | — | ◇ UNVERIFIED |
| SESnelling Employment, LLC | Odessa | TX | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| SSSouthern Star Steel Services LLC | Lorena | TX | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| SESouthwire - El Paso | El Paso | TX | Primary Metal Manufacturing331420 | — | ◇ UNVERIFIED |
| SMSoza Manufacturing LLC | Nevada | TX | Primary Metal Manufacturing331313 | — | ◇ UNVERIFIED |
| SWSparkster Welding Fabrication & | Springtown | TX | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| SBSpray Booth | Temple | TX | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
