| PTPentagon Technologies Group INC | Hopewell Junction | NY | — | ◇ UNVERIFIED |
| PIPfaudler INC | Rochester | NY | — | ◇ UNVERIFIED |
| PCPhoto Control CORP | New Hope | MN | — | ◇ UNVERIFIED |
| PMPioneer Metal Finishing-monroe | Monroe | MI | — | ◇ UNVERIFIED |
| PIPirod INC | Plymouth | IN | — | ◇ UNVERIFIED |
| PIPlateco INC | Reedsburg | WI | — | ◇ UNVERIFIED |
| PCPonca City Metal Products Faclty | Ponca City | OK | — | ◇ UNVERIFIED |
| PCPorter-guertin CO | Cincinnati | OH | — | ◇ UNVERIFIED |
| PMPrecise Machining & Manufacturing LLC | Tulsa | OK | — | ◇ UNVERIFIED |
| PDPrecision Drawn Metals INC | Janesville | WI | — | ◇ UNVERIFIED |
| PIPrecisionform INC | Lititz | PA | — | ◇ UNVERIFIED |
| PHPrecision Husky Corporation | Moody | AL | — | ◇ UNVERIFIED |
 Precision International LLC | Sistersville | WV | — | ◇ UNVERIFIED |
| PMPrecision Machine INC | Paducah | KY | — | ◇ UNVERIFIED |
| PMPrecoat Metals Division of Sequa Corporation | Elkridge | MD | — | ◇ UNVERIFIED |
| PMPremier Manufacturing | Tualatin | OR | — | ◇ UNVERIFIED |
| PPProduction Products CO | East Syracuse | NY | — | ◇ UNVERIFIED |
| PSProspect Steel Company | Little Rock | AR | — | ◇ UNVERIFIED |
| QLQcc LLC | Harwood Heights | IL | — | ◇ UNVERIFIED |
| QQsi | Dothan | AL | — | ◇ UNVERIFIED |
 Quality Plating of Tulsa INC / 2665 N Darlington | Tulsa | OK | — | ◇ UNVERIFIED |
| QCQuantum Clean | Hillsboro | OR | — | ◇ UNVERIFIED |
| RAR. A. Heller Company | Woodlawn | OH | — | ◇ UNVERIFIED |
| RIRansohoff INC | Cincinnati | OH | — | ◇ UNVERIFIED |
| RLRaytheon Lemmon Avenue | Dallas | TX | — | ◇ UNVERIFIED |
| RBR. B. Royal Industries | Fond Du Lac | WI | — | ◇ UNVERIFIED |
| RIRebco Inc/kersey | Kersey | PA | — | ◇ UNVERIFIED |
| REReliance Electric CO. | Cleveland | OH | — | ◇ UNVERIFIED |
| RSRexnord Seal Division | Wheeling | IL | — | ◇ UNVERIFIED |
| RIRichards Industrials INC | Cincinnati | OH | — | ◇ UNVERIFIED |
 Rie Coatings LLC | Eden Valley | MN | — | ◇ UNVERIFIED |
| RFRightway Fasteners, INC | Columbus | IN | — | ◇ UNVERIFIED |
| RSRing Screw Llc-sterling Hts | Sterling Heights | MI | — | ◇ UNVERIFIED |
| RPRiverdale Plating and Heat Treating CO | Riverdale | IL | — | ◇ UNVERIFIED |
| RARobine and Welch Machine and Tool Company INC | Laurel | MS | — | ◇ UNVERIFIED |
| RFRocknel Fastener INC | Rockford | IL | — | ◇ UNVERIFIED |
| RMRockwood Mfg Co/rockwood | Rockwood | PA | — | ◇ UNVERIFIED |
| RIRotex INC. | Cincinnati | OH | — | ◇ UNVERIFIED |
| RSR.w. Screw Products, INC. | Massillon | OH | — | ◇ UNVERIFIED |
| SISabre Industries Conroe Tx Facility | Conroe | TX | — | ◇ UNVERIFIED |
| SSSamuel Son and Company (usa) INC | Iuka | MS | — | ◇ UNVERIFIED |
| SSSamuel Son and CO USA INC | Heath | OH | — | ◇ UNVERIFIED |
| SSSamuel, Son & CO. (usa) INC. D/b/a Samuel Pressure Vessel Group- Tomahawk | Tomahawk | WI | — | ◇ UNVERIFIED |
| SGSas Global Fka Sure Alloy Steel Corporation | Warren | MI | — | ◇ UNVERIFIED |
| STSauk Technologies | Saukville | WI | — | ◇ UNVERIFIED |
| SPSav-on Plating INC | Phoenix | AZ | — | ◇ UNVERIFIED |
 Schuff Steel | Bellemont | AZ | — | ◇ UNVERIFIED |
| Schuff Steel CO | Eloy | AZ | — | ◇ UNVERIFIED |
| Schuff Steel Company | Stockton | CA | — | ◇ UNVERIFIED |
| SCSchumacher CO INC | Houston | TX | — | ◇ UNVERIFIED |
| SCSelkirk CORP Heat-fab | Turners Falls | MA | — | ◇ UNVERIFIED |
| SMSelkirk Metalbestos | Nampa | ID | — | ◇ UNVERIFIED |
| SASenior Aerospace Absolute Manufacturing | Arlington | WA | — | ◇ UNVERIFIED |
| SOSfi of Arkansas | Conway | AR | — | ◇ UNVERIFIED |
| S1Shape 1820 | Grand Haven | MI | — | ◇ UNVERIFIED |
| SNShaw Naptech INC | Clearfield | UT | — | ◇ UNVERIFIED |
| SCSilgan Closures Fka Amcor White Cap | Hazleton | PA | — | ◇ UNVERIFIED |
| SCSilgan Containers Mfg CORP | Menomonie | WI | — | ◇ UNVERIFIED |
| SMSimmons Manufacturing | Mcdonough | GA | — | ◇ UNVERIFIED |
| SISimpson Industries INC * | Edon | OH | — | ◇ UNVERIFIED |
| SSSkilcraft Sheetmetal INC | Burlington | KY | — | ◇ UNVERIFIED |
| SESmith Equipment Manufacturing | Watertown | SD | — | ◇ UNVERIFIED |
| STSms Technical Services LLC | Osceola | AR | — | ◇ UNVERIFIED |
| SMSmw Mfg Amsted Automotive Group-belleville | Belleville | MI | — | ◇ UNVERIFIED |
| SASouth Atlantic Galvanizing | Shannon | MS | — | ◇ UNVERIFIED |
| SASouth Atlantic Galvanizing | Graham | NC | — | ◇ UNVERIFIED |
| SASouth Atlantic Galvanizing | Mulberry | FL | — | ◇ UNVERIFIED |
| SASouth Atlantic Galvanizing | Travelers Rest | SC | — | ◇ UNVERIFIED |
| SASouthern Aluminum Finishing CO Winston Paint | Villa Rica | GA | — | ◇ UNVERIFIED |
| SPSouthwestern Plating Houston Plant | Houston | TX | — | ◇ UNVERIFIED |
| SFSpecialty Fabrication & Powd Er Coating LLC | Franklin | PA | — | ◇ UNVERIFIED |
| SMSpecialty Metals Processing, INC. | Stow | OH | — | ◇ UNVERIFIED |
| SISpeedring Inccorporated | Cullman | AL | — | ◇ UNVERIFIED |
 Spg International LLC Br #x032 Universal Brand | Aurora | CO | — | ◇ UNVERIFIED |
| SMSpinco Metal Products INC. | Newark | NY | — | ◇ UNVERIFIED |
| SCSpx CORP Lightning Div | Rochester | NY | — | ◇ UNVERIFIED |
| SFSpx Flow US INC | Delavan | WI | — | ◇ UNVERIFIED |
| SSSrt Sales and Service (1576001860) | Canton | OH | — | ◇ UNVERIFIED |
| SLStanley Labounty | Two Harbors | MN | — | ◇ UNVERIFIED |
| SWStanley Works INC Tools Div | Cheraw | SC | — | ◇ UNVERIFIED |
| SPStar Precision | Longmont | CO | — | ◇ UNVERIFIED |
 Steelfab of Virginia, INC. | Emporia | VA | — | ◇ UNVERIFIED |
| SFSteel Fabricators of Monroe LLC | Monroe | LA | — | ◇ UNVERIFIED |
 Steel Industries Plant 4 | Redford | MI | — | ◇ UNVERIFIED |
| SKSteel King Industries INC | New London | WI | — | ◇ UNVERIFIED |
| SMSteel Management Services | Nazareth | PA | — | ◇ UNVERIFIED |
| STSteel Treaters INC | Oriskany | NY | — | ◇ UNVERIFIED |
| SWSteel Warehouse CO LLC | South Bend | IN | — | ◇ UNVERIFIED |
| SPSterling Plating INC | Harwood Heights | IL | — | ◇ UNVERIFIED |
| SGSt George Steel Fabrication INC | Saint George | UT | — | ◇ UNVERIFIED |
| SGStork Gamco Incorporated | Gainesville | GA | — | ◇ UNVERIFIED |
| SDStreator Dependable Manufacturing | Streator | IL | — | ◇ UNVERIFIED |
| SIStylmark INC | Fridley | MN | — | ◇ UNVERIFIED |
| SMSwagelok Manufacturing CO LLC | Cleveland | OH | — | ◇ UNVERIFIED |
| SMSwagelok Manufacturing CO LLC | Solon | OH | — | ◇ UNVERIFIED |
| SISystems INC | Germantown | WI | — | ◇ UNVERIFIED |
 Team Industries-audubon | Audubon | MN | — | ◇ UNVERIFIED |
| Team Industries Park Rapids | Park Rapids | MN | — | ◇ UNVERIFIED |
| TITech-etch, INC | Litchfield | MN | — | ◇ UNVERIFIED |
| TMTech Met Inc/glassport | Glassport | PA | — | ◇ UNVERIFIED |
