| GIGlastender INC | Saginaw | MI | — | ◇ UNVERIFIED |
| GCGlobal Composites INC Plant 1 & 2 | Elkhart | IN | — | ◇ UNVERIFIED |
| GTGmr Technology INC (0204010490) | Ashtabula | OH | — | ◇ UNVERIFIED |
| GTGri Towers Texas | Amarillo | TX | — | ◇ UNVERIFIED |
| HIHammerts Iron Works-hammerts Iron Works | Saint Louis | MO | — | ◇ UNVERIFIED |
 Hardigg Industries | Deerfield | MA | — | ◇ UNVERIFIED |
| HSHarford Systems | Aberdeen | MD | — | ◇ UNVERIFIED |
| HPHubbell Power Systems, INC East Street Plant | Centralia | MO | — | ◇ UNVERIFIED |
| HDHunter Douglas | Owensboro | KY | — | ◇ UNVERIFIED |
| IIac | Saint Clair | MI | — | ◇ UNVERIFIED |
 Idex Health & Science LLC | Bristol | CT | — | ◇ UNVERIFIED |
| IInhance | West Chicago | IL | — | ◇ UNVERIFIED |
| ITInhance Technologies, LLC | Centerville | IA | — | ◇ UNVERIFIED |
| ISIrathane Systems INC | Hibbing | MN | — | ◇ UNVERIFIED |
| JIJanicki Industries INC Sw | Sedro Woolley | WA | — | ◇ UNVERIFIED |
| JEJ E Adams Industries LTD | Cedar Rapids | IA | — | ◇ UNVERIFIED |
| KPKendrick Plastics (n1786) | Grand Rapids | MI | — | ◇ UNVERIFIED |
| KCKenway Corporation | Augusta | ME | — | ◇ UNVERIFIED |
| KIKidron INC | Dalton | OH | — | ◇ UNVERIFIED |
| LRLamb & Ritchie | Saugus | MA | — | ◇ UNVERIFIED |
| LCLear CORP | Wauseon | OH | — | ◇ UNVERIFIED |
| LSLenex Steel | Terre Haute | IN | — | ◇ UNVERIFIED |
 Lippert Components | Rialto | CA | — | ◇ UNVERIFIED |
| Lippert Components Twin Falls 64 | Kimberly | ID | — | ◇ UNVERIFIED |
| LSLockport Steel Fabricators | Lockport | IL | — | ◇ UNVERIFIED |
| LFLoxcreen Flooring Group | Woodburn | OR | — | ◇ UNVERIFIED |
| MTMachine Tool & Gear INC | Owosso | MI | — | ◇ UNVERIFIED |
| MSManion Steel Barrel | Oil City | PA | — | ◇ UNVERIFIED |
| MSMarshall Steel Incorporated | Memphis | TN | — | ◇ UNVERIFIED |
| MPMartin Petersen CO INC | Kenosha | WI | — | ◇ UNVERIFIED |
| MMMatcor Metal Fabrication | Morton | IL | — | ◇ UNVERIFIED |
| MFMetals Fabrication | Airway Heights | WA | — | ◇ UNVERIFIED |
| MEMetfab Engineering INC | Attleboro Falls | MA | — | ◇ UNVERIFIED |
 Meyer Utility Structures, LLC Plant #1662 | Steele | AL | — | ◇ UNVERIFIED |
| MSMica Steelworks Kaufman | Kaufman | TX | — | ◇ UNVERIFIED |
| MCMidmark Corporation (1483060076) | Lebanon | OH | — | ◇ UNVERIFIED |
| MFMolded Fiber Glass Companies/texas | Gainesville | TX | — | ◇ UNVERIFIED |
| MOMonotech of Mississippi | Iuka | MS | — | ◇ UNVERIFIED |
| MSMueller Systems | Cleveland | NC | — | ◇ UNVERIFIED |
| NCNavtar Company | Clayton | NC | — | ◇ UNVERIFIED |
| NNelco | Houston | TX | — | ◇ UNVERIFIED |
| NANew Alenco Windows LTD | Bryan | TX | — | ◇ UNVERIFIED |
| NINewlett, INC Dba Gemstone | Elkhart | IN | — | ◇ UNVERIFIED |
| NINordictrack Incorporated | Glencoe | MN | — | ◇ UNVERIFIED |
| NVNucor Vulcraft Group - Grapeland Div | Grapeland | TX | — | ◇ UNVERIFIED |
| OPOldcastle Precast | Madera | CA | — | ◇ UNVERIFIED |
| OSOwen Steel Company | Wilmington | DE | — | ◇ UNVERIFIED |
| OWO W Hubbell & Sons | Ny Mills | NY | — | ◇ UNVERIFIED |
| PPParadigm Precision | Stuart | FL | — | ◇ 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 |
| PCPoly-seal CORP | Baltimore | MD | — | ◇ UNVERIFIED |
| PCPonca City Metal Products Faclty | Ponca City | OK | — | ◇ UNVERIFIED |
| PSPrairie State Generating Station | Marissa | IL | — | ◇ 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 |
| RURehrig United | Richmond | VA | — | ◇ UNVERIFIED |
| RCRemee Casting | Penn Yan | NY | — | ◇ UNVERIFIED |
| RCRidge Corporation | Frazeysburg | OH | — | ◇ UNVERIFIED |
| RCRobur Corporation | Evansville | IN | — | ◇ UNVERIFIED |
| RIRoho INC | Belleville | IL | — | ◇ UNVERIFIED |
| SISabre Industries Conroe Tx Facility | Conroe | TX | — | ◇ UNVERIFIED |
| SSSamuel Son and Company (usa) INC | Iuka | MS | — | ◇ 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 |
| 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 |
| 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 |
| TUTarkett USA INC. | Middlefield | OH | — | ◇ UNVERIFIED |
| TATeijin Automotive Technologies Louisiana LLC | Sarepta | LA | — | ◇ UNVERIFIED |
| TMThe Murus Company | Mansfield | PA | — | ◇ UNVERIFIED |
| TBThomas & Betts Caribe INC | Vega Baja | PR | — | ◇ UNVERIFIED |
| TCTrex CO | Fernley | NV | — | ◇ UNVERIFIED |
| TLTrimold LLC (0165010125) | Circleville | OH | — | ◇ UNVERIFIED |
| THTrinity Highway Products LLC | Orangeburg | SC | — | ◇ UNVERIFIED |
| UIUniversal Industrial Sales Incorporated- Galvanizing Facility | Lindon | UT | — | ◇ UNVERIFIED |
| VCValmont Coatings Oklahoma Galvanizing | Claremore | OK | — | ◇ UNVERIFIED |
| VNValmont Newmark INC | Columbus | NE | — | ◇ UNVERIFIED |
| VNValmont Newmark/west Hazleton | Hazleton | PA | — | ◇ UNVERIFIED |
