| PBPrecision Build Solutions, LLC | Tampa | FL | — | ◇ UNVERIFIED |
| PHPrecision Heat Treating | Montebello | CA | — | ◇ UNVERIFIED |
| PPPrecision Plating of Quincy INC | Quincy | IL | — | ◇ UNVERIFIED |
| PSPrecision Strip INC | Woodburn | KY | — | ◇ UNVERIFIED |
| PIPreferred Industrial Coatings LLC | Houma | LA | — | ◇ UNVERIFIED |
| PPPremier Plant Services INC | Sapulpa | OK | — | ◇ UNVERIFIED |
| PTPremier Technology INC Frontage | Blackfoot | ID | — | ◇ UNVERIFIED |
| PLPrescor LLC | Tulsa | OK | — | ◇ UNVERIFIED |
| PBPrice Brothers CO - Bakewell Tn | Bakewell | TN | — | ◇ UNVERIFIED |
| PCPrime Coatings INC | Amelia | LA | — | ◇ UNVERIFIED |
| PMPrince Mfg CORP | Sioux City | IA | — | ◇ UNVERIFIED |
| PFProductivity Fabricators, INC. | Richmond | IN | — | ◇ UNVERIFIED |
| PFPro Fab Tech LLC | Azusa | CA | — | ◇ UNVERIFIED |
| PRProgress Rail Services CORP | Louisville | KY | — | ◇ UNVERIFIED |
| PRProgress Rail Services Corporation | Wildwood | FL | — | ◇ UNVERIFIED |
| PSPsi Sales INC | Irvington | AL | — | ◇ UNVERIFIED |
| PCPurdy CO | Burnham | IL | — | ◇ UNVERIFIED |
| PIPvi Industries Incorporat | Fort Worth | TX | — | ◇ UNVERIFIED |
| QPQsi Plant #2 | Dothan | AL | — | ◇ UNVERIFIED |
| QMQuality Manufacturing Group | Columbia | MS | — | ◇ UNVERIFIED |
| QOQuality One Steel Design | Shelbyville | KY | — | ◇ UNVERIFIED |
| QFQuicksteel Fab INC | Johnston | IA | — | ◇ UNVERIFIED |
| QLQuikcut LLC | Fort Wayne | IN | — | ◇ UNVERIFIED |
| QJQuincy Joist Company | Quincy | FL | — | ◇ UNVERIFIED |
| RMRam Machine Tooling INC | Picayune | MS | — | ◇ UNVERIFIED |
| RHRanch Hand Beeville | Beeville | TX | — | ◇ UNVERIFIED |
| RIRatliff Industries | Lumberton | TX | — | ◇ UNVERIFIED |
| RIRayes Inc, Dba Wheelchairs of Kansas | Hays | KS | — | ◇ UNVERIFIED |
| RCRecycle City INC | Clifton City | NJ | — | ◇ UNVERIFIED |
| RSRedi Services LLC - Metal Parts Coating | Platteville | CO | — | ◇ UNVERIFIED |
| RSResteel Supply Company, INC. | Warwick | RI | — | ◇ UNVERIFIED |
| RSRg Steel Wheeling LLC | Martins Ferry | OH | — | ◇ UNVERIFIED |
| RSRichardson Steel INC | Spring Valley | CA | — | ◇ UNVERIFIED |
| RIRimco INC - Scrap Metal | Saint Louis | MO | — | ◇ UNVERIFIED |
| RTRipon Truck Repair & Equipment, LLC | Pickett | WI | — | ◇ UNVERIFIED |
| RARippel Architectural Metals INC | Chicago | IL | — | ◇ UNVERIFIED |
| RPRite-hite Products Corporation | Memphis | TN | — | ◇ UNVERIFIED |
| RSRoane Steel Corporation | Rockwood | TN | — | ◇ UNVERIFIED |
| RFRobertson Fabrication, INC | Greenwood | MS | — | ◇ UNVERIFIED |
| RMRocky Mountain Metals INC | Raton | NM | — | ◇ UNVERIFIED |
| RMRocky Mountain Orthodontic, INC. | Denver | CO | — | ◇ UNVERIFIED |
| RIRohn Industries INC | Bessemer | AL | — | ◇ UNVERIFIED |
| RFRoll Forming Corporation | Jeffersonville | IN | — | ◇ UNVERIFIED |
| RSRossin Steel INC | San Diego | CA | — | ◇ UNVERIFIED |
| RARotary Airlock LLC | Rock Falls | IL | — | ◇ UNVERIFIED |
| RIRoura Iron Works INC | Holly Springs | MS | — | ◇ UNVERIFIED |
| RMRoura Material Handling INC | Holly Springs | MS | — | ◇ UNVERIFIED |
 Roy E Hanson Jr Mfg CO | Los Angeles | CA | — | ◇ UNVERIFIED |
| RIRubin Iron Works LLC | Jacksonville | FL | — | ◇ UNVERIFIED |
| RPRudco Products INC. | Vineland | NJ | — | ◇ UNVERIFIED |
| RSRule Steel | Caldwell | ID | — | ◇ UNVERIFIED |
| RIR-v Industries - New Morgan Plant | Morgantown | PA | — | ◇ UNVERIFIED |
| RHRwe Holding CO | New Castle | PA | — | ◇ UNVERIFIED |
| SISabre Industries | Alvarado | TX | — | ◇ UNVERIFIED |
| SBSanders Brothers Metals | Gaffney | SC | — | ◇ UNVERIFIED |
 Sandmeyer Steel CO | Philadelphia | PA | — | ◇ UNVERIFIED |
 Schuff Steel - Atlantic, INC. | Orlando | FL | — | ◇ UNVERIFIED |
| Schuff Steel Gulf Coast | Humble | TX | — | ◇ UNVERIFIED |
| SSeatech | Belle Chasse | LA | — | ◇ UNVERIFIED |
| SESec Energy Products and Services LP | Houston | TX | — | ◇ UNVERIFIED |
| SMSellers Manufacturing CO. | Danville | KY | — | ◇ UNVERIFIED |
| SISemco Incorporated Chillicothe | Chillicothe | MO | — | ◇ UNVERIFIED |
| SMSeminole Machine & Welding, INC. | Largo | FL | — | ◇ UNVERIFIED |
| SPSen-dure Products INC | Fort Lauderdale | FL | — | ◇ UNVERIFIED |
| SMSentry Metal Blast INC | Niagara Falls | NY | — | ◇ UNVERIFIED |
| SIService Iron Works-s Lyon | South Lyon | MI | — | ◇ UNVERIFIED |
| SWService Welding and Machine | Louisville | KY | — | ◇ UNVERIFIED |
| SISetpoint Integrated Solutions INC | Monroe | LA | — | ◇ UNVERIFIED |
| SASfc Adams INC. | Buffalo | NY | — | ◇ UNVERIFIED |
| SAShaw App Tubeline | New Brunswick | NJ | — | ◇ UNVERIFIED |
| SCShaw Connex Incorporated | Troutville | VA | — | ◇ UNVERIFIED |
| SPShaw Pipe a Div of Shaw Resources | New Iberia | LA | — | ◇ UNVERIFIED |
| SPShaw Process Fabricators | West Monroe | LA | — | ◇ UNVERIFIED |
| SSShaw Sss Fabricators | Addis | LA | — | ◇ UNVERIFIED |
| SSShaw Sunland Fabricators INC - Sunland East | Walker | LA | — | ◇ UNVERIFIED |
| SWShaw Word Ind. Fabricators | Tulsa | OK | — | ◇ UNVERIFIED |
| SWShaw Word Ind Fabricators INC / Cleveland Paint Facility | Cleveland | OK | — | ◇ UNVERIFIED |
| SCSheffer CORP. | Morrow | GA | — | ◇ UNVERIFIED |
| SSShelby Steel LLC | Pell City | AL | — | ◇ UNVERIFIED |
| SSShelby Steel Vincent Incorporated | Vincent | AL | — | ◇ UNVERIFIED |
| SSShelco Steel Works INC | South Holland | IL | — | ◇ UNVERIFIED |
| STSheyenne Tooling & Mfg CO | Cooperstown | ND | — | ◇ UNVERIFIED |
| SSShoreline Steel South | Paducah | KY | — | ◇ UNVERIFIED |
| SMShugart Manufacturing | Chester | SC | — | ◇ UNVERIFIED |
| SASiag Aerisyn LLC | Chattanooga | TN | — | ◇ UNVERIFIED |
| SLSic Lazaro US INC | Milwaukee | WI | — | ◇ UNVERIFIED |
| SWSilver Weibull | Aurora | CO | — | ◇ UNVERIFIED |
| SCSix C Fabrication INC | Winnfield | LA | — | ◇ UNVERIFIED |
| SSSkyline Steel | Newton | IL | — | ◇ UNVERIFIED |
 Skyline Steel Llc-iuka | Iuka | MS | — | ◇ UNVERIFIED |
| SSmf | Minonk | IL | — | ◇ UNVERIFIED |
| SJSmi Joist Sc | Eastover | SC | — | ◇ UNVERIFIED |
| SSSmi Steel Fabricators, INC. Dba Cmc Rebar-orlando | Kissimmee | FL | — | ◇ UNVERIFIED |
| SISoelzer, INC Dba Firestone Fabricators | Signal Hill | CA | — | ◇ UNVERIFIED |
| STSolar Turbines Turbofab Facility | Channelview | TX | — | ◇ UNVERIFIED |
| SASousa and Demayo INC | North Attleboro | MA | — | ◇ UNVERIFIED |
| SPSoutheastern Plateworks | Birmingham | AL | — | ◇ UNVERIFIED |
| SPSoutheastern Plateworks, LLC | Birmingham | AL | — | ◇ UNVERIFIED |
| SFSoutheast Fabricators, INC. | Cottondale | AL | — | ◇ UNVERIFIED |
| SESouthern Erectors INC | Pensacola | FL | — | ◇ UNVERIFIED |
