| NGNelson Global Products INC | Viroqua | WI | — | ◇ UNVERIFIED |
| NLNeofab, LLC | Miami | OK | — | ◇ UNVERIFIED |
| NANew Alenco Windows LTD | Bryan | TX | — | ◇ UNVERIFIED |
| NINewlett, INC Dba Gemstone | Elkhart | IN | — | ◇ UNVERIFIED |
| NINordictrack Incorporated | Glencoe | MN | — | ◇ UNVERIFIED |
| NBNucor Building Group, South Carolina | La Crosse | VA | — | ◇ UNVERIFIED |
| NBNucor Building Systems | Swansea | SC | — | ◇ UNVERIFIED |
| OPOldcastle Precast | Madera | CA | — | ◇ UNVERIFIED |
| OSO'neal Steel INC | Greensboro | NC | — | ◇ UNVERIFIED |
| OSOneal Steel INC | Ambridge | PA | — | ◇ UNVERIFIED |
| OCOttenweller CO INC | Mount Airy | NC | — | ◇ UNVERIFIED |
| OSOwen Steel Company | Wilmington | DE | — | ◇ UNVERIFIED |
| OWO W Hubbell & Sons | Ny Mills | NY | — | ◇ UNVERIFIED |
| PMPackless Metal Hose & Texas Copper Works Divisions | Waco | TX | — | ◇ UNVERIFIED |
| PHParker Hannifin CORP | Richland | MI | — | ◇ UNVERIFIED |
| PHParker Hannifin Sporlan Div - Plant 1 | Washington | MO | — | ◇ UNVERIFIED |
| PMParter Medical Products, INC. | Carson | CA | — | ◇ UNVERIFIED |
| PTPentair Thermal Management LLC | Redwood City | CA | — | ◇ UNVERIFIED |
| PWPentair Water Pool and Spa INC | Moorpark | CA | — | ◇ UNVERIFIED |
| PIPirod INC | Plymouth | IN | — | ◇ UNVERIFIED |
| PNPlain N Fancy Kitchens | Schaefferstown | PA | — | ◇ UNVERIFIED |
| PCPoly-seal CORP | Baltimore | MD | — | ◇ UNVERIFIED |
| PCPonca City Metal Products Faclty | Ponca City | OK | — | ◇ UNVERIFIED |
| PSPrairie State Generating Station | Marissa | IL | — | ◇ UNVERIFIED |
 Precision International LLC | Sistersville | WV | — | ◇ UNVERIFIED |
| PMPremier Manufacturing | Tualatin | OR | — | ◇ UNVERIFIED |
| PBPremium Building Prods CO | West Salem | OH | — | ◇ UNVERIFIED |
| PSProspect Steel Company | Little Rock | AR | — | ◇ UNVERIFIED |
| QQsi | Dothan | AL | — | ◇ UNVERIFIED |
| RIRansohoff INC | Cincinnati | OH | — | ◇ UNVERIFIED |
| RURehrig United | Richmond | VA | — | ◇ UNVERIFIED |
| REReliance Electric CO. | Cleveland | OH | — | ◇ UNVERIFIED |
| RCRemee Casting | Penn Yan | NY | — | ◇ UNVERIFIED |
| RCRidge Corporation | Frazeysburg | OH | — | ◇ UNVERIFIED |
| RCRobur Corporation | Evansville | IN | — | ◇ UNVERIFIED |
| RCRogers Corporation - Moosup | Moosup | CT | — | ◇ UNVERIFIED |
| RIRoho INC | Belleville | IL | — | ◇ UNVERIFIED |
| RCRoppe Corporation (0374010077) | Fostoria | 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 |
| SMSandia Marble | Albuquerque | NM | — | ◇ UNVERIFIED |
| SGSas Global Fka Sure Alloy Steel Corporation | Warren | MI | — | ◇ UNVERIFIED |
| STSauk Technologies | Saukville | WI | — | ◇ UNVERIFIED |
| SOSawyer Oilfield Brownwood Facility | Brownwood | TX | — | ◇ UNVERIFIED |
 Schuff Steel | Bellemont | AZ | — | ◇ UNVERIFIED |
| Schuff Steel CO | Eloy | AZ | — | ◇ UNVERIFIED |
| Schuff Steel Company | Stockton | CA | — | ◇ UNVERIFIED |
| SMSelkirk Metalbestos | Nampa | ID | — | ◇ UNVERIFIED |
| SOSfi of Arkansas | Conway | AR | — | ◇ UNVERIFIED |
| S1Shape 1820 | Grand Haven | MI | — | ◇ UNVERIFIED |
| SLSilver Line Building Products, L.l.c. | North Brunswick | NJ | — | ◇ UNVERIFIED |
| SMSimmons Manufacturing | Mcdonough | GA | — | ◇ UNVERIFIED |
| SSSkilcraft Sheetmetal INC | Burlington | KY | — | ◇ UNVERIFIED |
| SFSpecialty Fabrication & Powd Er Coating LLC | Franklin | PA | — | ◇ UNVERIFIED |
 Spg International LLC Br #x032 Universal Brand | Aurora | CO | — | ◇ UNVERIFIED |
| SGSrg Global Automotive LLC | Covington | GA | — | ◇ UNVERIFIED |
| SGSrg Global - Evansville | Evansville | IN | — | ◇ UNVERIFIED |
| SPSr Products | Struthers | OH | — | ◇ 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 |
| SKSteel King Industries INC | New London | WI | — | ◇ UNVERIFIED |
| SGSt George Steel Fabrication INC | Saint George | UT | — | ◇ UNVERIFIED |
| SPStorm Prods INC | Brigham City | UT | — | ◇ UNVERIFIED |
| SDStreator Dependable Manufacturing | Streator | IL | — | ◇ UNVERIFIED |
| SISystems INC | Germantown | WI | — | ◇ UNVERIFIED |
| TUTarkett USA INC. | Middlefield | OH | — | ◇ UNVERIFIED |
 Team Industries-audubon | Audubon | MN | — | ◇ UNVERIFIED |
| TATeijin Automotive Technologies Louisiana LLC | Sarepta | LA | — | ◇ UNVERIFIED |
| TSTemtco Steel INC | Chicago | IL | — | ◇ UNVERIFIED |
| TSTemtco Steel Tumwater | Tumwater | WA | — | ◇ UNVERIFIED |
| TTThe Toro Company | Iron Mountain | MI | — | ◇ UNVERIFIED |
| TBThomas & Betts Caribe INC | Vega Baja | PR | — | ◇ UNVERIFIED |
| TCTrex CO | Fernley | NV | — | ◇ UNVERIFIED |
| TITri-con Industries, LTD. Manufacturing Plant | Lincoln | NE | — | ◇ UNVERIFIED |
| TLTrimold LLC (0165010125) | Circleville | OH | — | ◇ UNVERIFIED |
| THTrinity Highway Products LLC | Orangeburg | SC | — | ◇ UNVERIFIED |
| TITrinity Inds Head Div #56 | Navasota | TX | — | ◇ UNVERIFIED |
| TITrinity Industries Plant 26 | Fort Worth | TX | — | ◇ UNVERIFIED |
| TTTrinity Tank Car INC Plt 200 | Longview | TX | — | ◇ UNVERIFIED |
| TFTropitone Furniture CO INC | Temecula | CA | — | ◇ UNVERIFIED |
| TTruecore | Laurens | SC | — | ◇ UNVERIFIED |
| TATrw Automotive | Fenton | MI | — | ◇ UNVERIFIED |
 Tyco Fire Products Lubbock | Lubbock | TX | — | ◇ UNVERIFIED |
| UIUniversal Industrial Sales Incorporated- Galvanizing Facility | Lindon | UT | — | ◇ UNVERIFIED |
| VNVae Nortrak North America | Newton | KS | — | ◇ UNVERIFIED |
| VCValmont Coatings Oklahoma Galvanizing | Claremore | OK | — | ◇ UNVERIFIED |
| VNValmont Newmark INC | Columbus | NE | — | ◇ UNVERIFIED |
| VNValmont Newmark/west Hazleton | Hazleton | PA | — | ◇ UNVERIFIED |
| VIValto INC | Channahon | IL | — | ◇ UNVERIFIED |
| VIVariform INC | Martinsburg | WV | — | ◇ UNVERIFIED |
| VVeka | Morganton | NC | — | ◇ UNVERIFIED |
| VIVulcan Industries, INC. | Moody | AL | — | ◇ UNVERIFIED |
| WSWalker Stainless Equipment CO | New Lisbon | WI | — | ◇ UNVERIFIED |
| WRWestlake Royal Building Products | Metamora | MI | — | ◇ UNVERIFIED |
| WSWisconsin Structural Steel CO | Barronett | WI | — | ◇ UNVERIFIED |
 W&w Afco Steel Girder Shop | San Angelo | TX | — | ◇ UNVERIFIED |
| XCXerxes CORP | Anaheim | CA | — | ◇ UNVERIFIED |
