| JCJacobs Corp-north & South Plants | Harlan | IA | — | ◇ UNVERIFIED |
| JEJ E Adams Industries LTD | Cedar Rapids | IA | — | ◇ UNVERIFIED |
| JMJessen Manufacturing CO INC | Elkhart | IN | — | ◇ UNVERIFIED |
| JMJ & M Mfg CO INC (0354000124) | Fort Recovery | OH | — | ◇ UNVERIFIED |
| JDJohn Deere Commercial | Grovetown | GA | — | ◇ UNVERIFIED |
| JDJohn Deere Thibodaux INC - John Deere Thibodaux | Thibodaux | LA | — | ◇ UNVERIFIED |
| JDJohn Deere Turf Care | Fuquay Varina | NC | — | ◇ UNVERIFIED |
 Johns Manville | Tucson | AZ | — | ◇ UNVERIFIED |
| JGJoy Global-solon Operations | Solon | OH | — | ◇ UNVERIFIED |
| KMKaddis Manufacturing CORP | Rochester | NY | — | ◇ UNVERIFIED |
| KIKennametal Incorporated | New Albany | IN | — | ◇ UNVERIFIED |
| KIKidron INC | Dalton | OH | — | ◇ UNVERIFIED |
| KSK&k Screw Products LLC | East China | MI | — | ◇ UNVERIFIED |
| KMKloeckner Metals Corporation | Louisville | MS | — | ◇ UNVERIFIED |
| KVKnape & Vogt Mfg CO | Grand Rapids | MI | — | ◇ UNVERIFIED |
| KCKondex CORP | Lomira | WI | — | ◇ UNVERIFIED |
| LRLamb & Ritchie | Saugus | MA | — | ◇ UNVERIFIED |
| LILee Ind INC | Philipsburg | PA | — | ◇ UNVERIFIED |
| LILemar Industries | Sheffield | IA | — | ◇ UNVERIFIED |
| LSLenex Steel | Terre Haute | IN | — | ◇ UNVERIFIED |
| LLinamar | Arden | NC | — | ◇ UNVERIFIED |
| LSLinamar Structures USA | Southfield | MI | — | ◇ UNVERIFIED |
 Lippert Components | Rialto | CA | — | ◇ UNVERIFIED |
| Lippert Components Twin Falls 64 | Kimberly | ID | — | ◇ UNVERIFIED |
| LTLoad Trail | Sumner | TX | — | ◇ UNVERIFIED |
| LSLockport Steel Fabricators | Lockport | IL | — | ◇ UNVERIFIED |
| LOLogan Oil Tools, INC. | Houston | TX | — | ◇ UNVERIFIED |
| LTLuverne Truck Equipment INC | Brandon | SD | — | ◇ UNVERIFIED |
| MHMa Harrison Mfg CO INC | Birmingham | OH | — | ◇ UNVERIFIED |
| MRMajor Reflector Products | Northbrook | IL | — | ◇ UNVERIFIED |
| MTManchester Tank & Equipment CO | Quincy | IL | — | ◇ UNVERIFIED |
| MSManion Steel Barrel | Oil City | PA | — | ◇ UNVERIFIED |
| MIManth-brownell INC | Sullivan | NY | — | ◇ UNVERIFIED |
| MSMarshall Steel Incorporated | Memphis | TN | — | ◇ UNVERIFIED |
| MPMartin Petersen CO INC | Kenosha | WI | — | ◇ UNVERIFIED |
| MMMatcor Metal Fabrication | Morton | IL | — | ◇ UNVERIFIED |
| MSMatrix Service Fabrication Div | Catoosa | OK | — | ◇ UNVERIFIED |
| MTMerritt Tool CO INC - Triumph Structures East Texas | Kilgore | TX | — | ◇ UNVERIFIED |
| MSMetal Seal Precision LTD. | Mentor | OH | — | ◇ UNVERIFIED |
| MFMetals Fabrication | Airway Heights | WA | — | ◇ UNVERIFIED |
| MSMetal Spinners - a Division of Samuel, Son & CO. (usa) INC. | Rock Falls | IL | — | ◇ UNVERIFIED |
| MAMetem a Ge Power Business | Allentown | PA | — | ◇ UNVERIFIED |
| MEMetfab Engineering INC | Attleboro Falls | MA | — | ◇ UNVERIFIED |
 Meyer Utility Structures, LLC Plant #1662 | Steele | AL | — | ◇ UNVERIFIED |
| MSMica Steelworks Kaufman | Kaufman | TX | — | ◇ UNVERIFIED |
| MWModern Welding CO of Tx | Rhome | TX | — | ◇ UNVERIFIED |
| MOMonotech of Mississippi | Iuka | MS | — | ◇ UNVERIFIED |
| MWMotor Wheel Commercial Vehicle Systems INC. | Berea | KY | — | ◇ UNVERIFIED |
| MIMscm Incorporated | Holland | MI | — | ◇ UNVERIFIED |
| MSMueller Systems | Cleveland | NC | — | ◇ UNVERIFIED |
| NRNational Refrigerants INC - Rosenhayn Facility | Rosenhayn | NJ | — | ◇ UNVERIFIED |
| NNelco | Houston | TX | — | ◇ UNVERIFIED |
| NLNeofab, LLC | Miami | OK | — | ◇ UNVERIFIED |
| NANew Alenco Windows LTD | Bryan | TX | — | ◇ UNVERIFIED |
| NENorthern Engraving CORP - Sparta | Sparta | WI | — | ◇ UNVERIFIED |
| OCOttenweller CO INC | Mount Airy | NC | — | ◇ UNVERIFIED |
| OSOwen Steel Company | Wilmington | DE | — | ◇ UNVERIFIED |
| OWO W Hubbell & Sons | Ny Mills | NY | — | ◇ UNVERIFIED |
| PPParadigm Precision | Malden | MA | — | ◇ UNVERIFIED |
| PHParker Hannifin CORP Cylinder Div | Saint Marys | OH | — | ◇ UNVERIFIED |
 Paul Mueller Company | Osceola | IA | — | ◇ UNVERIFIED |
| PIPetra Industries INC | Fairmont City | IL | — | ◇ UNVERIFIED |
| PIPirod INC | Plymouth | IN | — | ◇ UNVERIFIED |
| PCPonca City Metal Products Faclty | Ponca City | OK | — | ◇ UNVERIFIED |
| PDPrecision Drawn Metals INC | Janesville | WI | — | ◇ UNVERIFIED |
| PIPrecisionform INC | Lititz | PA | — | ◇ UNVERIFIED |
| PMPrecision Machine INC | Paducah | KY | — | ◇ 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 |
| RLRaytheon Lemmon Avenue | Dallas | TX | — | ◇ UNVERIFIED |
| RBR. B. Royal Industries | Fond Du Lac | WI | — | ◇ UNVERIFIED |
| RIRebco Inc/kersey | Kersey | PA | — | ◇ UNVERIFIED |
| RSRexnord Seal Division | Wheeling | IL | — | ◇ UNVERIFIED |
| RARobine and Welch Machine and Tool Company INC | Laurel | MS | — | ◇ UNVERIFIED |
| RMRockwood Mfg Co/rockwood | Rockwood | PA | — | ◇ 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 & 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 |
 Schuff Steel | Bellemont | AZ | — | ◇ UNVERIFIED |
| Schuff Steel CO | Eloy | AZ | — | ◇ UNVERIFIED |
| Schuff Steel Company | Stockton | CA | — | ◇ 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 |
| SCSilgan Closures Fka Amcor White Cap | Hazleton | PA | — | ◇ UNVERIFIED |
| SCSilgan Containers Mfg CORP | Menomonie | WI | — | ◇ UNVERIFIED |
| SSilvertowne | Winchester | IN | — | ◇ UNVERIFIED |
| SISimpson Industries INC * | Edon | OH | — | ◇ UNVERIFIED |
| SSSkilcraft Sheetmetal INC | Burlington | KY | — | ◇ UNVERIFIED |
| SESmith Equipment Manufacturing | Watertown | SD | — | ◇ UNVERIFIED |
| SASouthern Aluminum Finishing CO Winston Paint | Villa Rica | GA | — | ◇ UNVERIFIED |
| SFSpecialty Fabrication & Powd Er Coating LLC | Franklin | PA | — | ◇ UNVERIFIED |
 Spg International LLC Br #x032 Universal Brand | Aurora | CO | — | ◇ UNVERIFIED |
