| HCHowell Cnc and Machine | Lewiston | ID | — | ◇ UNVERIFIED |
| HCHowmet Castings | Winsted | CT | — | ◇ UNVERIFIED |
| HIHtt INC | Sheboygan Falls | WI | — | ◇ UNVERIFIED |
| HPHubbell Power Systems, INC East Street Plant | Centralia | MO | — | ◇ UNVERIFIED |
| HWHubbell - Wiegmann | Freeburg | IL | — | ◇ UNVERIFIED |
| HFHumburg Finishing Works INC | Hamburg | NY | — | ◇ UNVERIFIED |
| HDHunter Douglas | Owensboro | KY | — | ◇ UNVERIFIED |
| HEHunting Energy Service, INC. | Broussard | LA | — | ◇ UNVERIFIED |
| HEHunting Energy Services INC - Schriever Facility | Schriever | LA | — | ◇ UNVERIFIED |
| HPHydril Premium Connections | Houston | TX | — | ◇ UNVERIFIED |
| HIHypertherm INC | Lebanon | NH | — | ◇ UNVERIFIED |
 Hypertherm, INC. | Lebanon | NH | — | ◇ UNVERIFIED |
| IIIcp Industries Stockdale | Stockdale | TX | — | ◇ UNVERIFIED |
| IIIcs INC. | Mcpherson | KS | — | ◇ UNVERIFIED |
| ICIdeal Clamp Products Fka Tridon Products | Smyrna | TN | — | ◇ UNVERIFIED |
 Idex Health & Science LLC | Bristol | CT | — | ◇ UNVERIFIED |
| IMIllinois Mpp CO | Du Quoin | IL | — | ◇ UNVERIFIED |
| ISImperial Specialty INC | Pottstown | PA | — | ◇ UNVERIFIED |
| IEIndustrial Engraving | Pulaski | WI | — | ◇ UNVERIFIED |
| IGIndustrial Galvanizers America INC | Steele | AL | — | ◇ UNVERIFIED |
| IGIndustrial Galvanizers Miami | Miami | FL | — | ◇ UNVERIFIED |
| IInhance | West Chicago | IL | — | ◇ UNVERIFIED |
| ITInhance Technologies, LLC | Centerville | IA | — | ◇ UNVERIFIED |
| IKInternational Knife & Saw Incorporated | Florence | SC | — | ◇ UNVERIFIED |
| ISIpc St Louis-ipc St Louis | Saint Louis | MO | — | ◇ UNVERIFIED |
| ISIrathane Systems INC | Hibbing | MN | — | ◇ UNVERIFIED |
| IPIseli Precision LLC. | Walworth | WI | — | ◇ UNVERIFIED |
| IIIsf (dba Infinitech Surface Finishing) | Wichita | KS | — | ◇ UNVERIFIED |
| IRItw Ramset Red Head | Paris | KY | — | ◇ UNVERIFIED |
| JIJanicki Industries INC Sw | Sedro Woolley | WA | — | ◇ UNVERIFIED |
| JEJ E Adams Industries LTD | Cedar Rapids | IA | — | ◇ UNVERIFIED |
| JMJessen Manufacturing CO INC | Elkhart | IN | — | ◇ UNVERIFIED |
| JDJohn Deere Turf Care | Fuquay Varina | NC | — | ◇ UNVERIFIED |
 Johns Manville | Tucson | AZ | — | ◇ UNVERIFIED |
| JCJohnson Controls INC - East York Facility | York | PA | — | ◇ UNVERIFIED |
| JRJordan River Galvanizing, INC. | West Jordan | UT | — | ◇ UNVERIFIED |
| JGJoy Global-solon Operations | Solon | OH | — | ◇ UNVERIFIED |
| KMKaddis Manufacturing CORP | Rochester | NY | — | ◇ UNVERIFIED |
| KIKaliburn INC | Ladson | SC | — | ◇ UNVERIFIED |
| KCKbp Coil Coaters INC - 3600 E 44th Ave | Denver | CO | — | ◇ UNVERIFIED |
| KCK C Jones Plating CO Div of Chemetco | Hazel Park | MI | — | ◇ UNVERIFIED |
| KPKendrick Plastics (n1786) | Grand Rapids | MI | — | ◇ UNVERIFIED |
| KIKennametal Incorporated | New Albany | IN | — | ◇ UNVERIFIED |
| KCKenway Corporation | Augusta | ME | — | ◇ UNVERIFIED |
| KIKepco INC | Vicksburg | MI | — | ◇ UNVERIFIED |
| KAKeystone Automotive Industries INC | Brainerd | MN | — | ◇ UNVERIFIED |
| KRKeystone Rustproofing INC | Arnold | PA | — | ◇ UNVERIFIED |
| KIKidron INC | Dalton | OH | — | ◇ UNVERIFIED |
| KFK&j Finishing INC | Rockford | IL | — | ◇ UNVERIFIED |
| KSK&k Screw Products LLC | East China | MI | — | ◇ UNVERIFIED |
| KMKloeckner Metals Corporation | Louisville | MS | — | ◇ UNVERIFIED |
| KVKnape & Vogt Mfg CO | Grand Rapids | MI | — | ◇ UNVERIFIED |
| KBKocher + Beck USA LP | Lenexa | KS | — | ◇ UNVERIFIED |
| KGKt Galvanizing Katy | Katy | TX | — | ◇ UNVERIFIED |
| L3L 3 Communications Incorporated | Salt Lake City | UT | — | ◇ UNVERIFIED |
| LRLamb & Ritchie | Saugus | MA | — | ◇ UNVERIFIED |
| LCLear CORP | Wauseon | OH | — | ◇ UNVERIFIED |
| LPLeonhardt Plating CO. | Cincinnati | OH | — | ◇ UNVERIFIED |
| LLinamar | Arden | NC | — | ◇ UNVERIFIED |
| LSLinamar Structures USA | Southfield | MI | — | ◇ UNVERIFIED |
| LILincoln Industries of Wisconsin LLC | New Berlin | WI | — | ◇ UNVERIFIED |
| LALinde Advanced Material Technologies INC | North Haven | CT | — | ◇ UNVERIFIED |
| LOLogan Oil Tools, INC. | Houston | TX | — | ◇ UNVERIFIED |
| LFLoxcreen Flooring Group | Woodburn | OR | — | ◇ UNVERIFIED |
| LTLuverne Truck Equipment INC | Brandon | SD | — | ◇ UNVERIFIED |
| LTL.v. Thompson, INC. (tamco) | Tampa | FL | — | ◇ UNVERIFIED |
| LWL & W Engineering, Plant 5 | Lebanon | TN | — | ◇ UNVERIFIED |
| MTMachine Tool & Gear INC | Owosso | MI | — | ◇ UNVERIFIED |
| MCMaclean-fogg Component Systems | Mundelein | IL | — | ◇ UNVERIFIED |
| MHMa Harrison Mfg CO INC | Birmingham | OH | — | ◇ UNVERIFIED |
| MRMajor Reflector Products | Northbrook | IL | — | ◇ UNVERIFIED |
| MSManion Steel Barrel | Oil City | PA | — | ◇ UNVERIFIED |
| MIManth-brownell INC | Sullivan | NY | — | ◇ UNVERIFIED |
| MMMarine Mechanical CORP | Cleveland | OH | — | ◇ UNVERIFIED |
| MPMartin Petersen CO INC | Kenosha | WI | — | ◇ UNVERIFIED |
| MFMaster Finish | Grand Rapids | MI | — | ◇ UNVERIFIED |
| MMMatcor Metal Fabrication | Morton | IL | — | ◇ UNVERIFIED |
| MSMatrix Service Fabrication Div | Catoosa | OK | — | ◇ UNVERIFIED |
| MIMcip Industrial Enterprises | Pearland | TX | — | ◇ UNVERIFIED |
| MPMckay Plating CO | Hampton | IL | — | ◇ UNVERIFIED |
| MGMechanical Galv-plating CORP | Sidney | OH | — | ◇ UNVERIFIED |
| MMMeminger Metal Finishing INC | Aledo | IL | — | ◇ UNVERIFIED |
| MTMerritt Tool CO INC - Triumph Structures East Texas | Kilgore | TX | — | ◇ UNVERIFIED |
| MGMetalplate Galvanizing INC | Atlanta | GA | — | ◇ UNVERIFIED |
| MGMetalplate Galvanizing LP | Birmingham | AL | — | ◇ UNVERIFIED |
| MGMetalplate Galvanizing, L.p. (plant No. 2) | Birmingham | AL | — | ◇ UNVERIFIED |
| MSMetal Seal Precision LTD. | Mentor | OH | — | ◇ UNVERIFIED |
| MSMetal Spinners - a Division of Samuel, Son & CO. (usa) INC. | Rock Falls | IL | — | ◇ UNVERIFIED |
| MUMetals USA Building Products, L. P. | Mesquite | TX | — | ◇ UNVERIFIED |
| MAMetem a Ge Power Business | Allentown | PA | — | ◇ UNVERIFIED |
| MEMetfab Engineering INC | Attleboro Falls | MA | — | ◇ UNVERIFIED |
| MMMichigan Metal Coatings | Port Huron | MI | — | ◇ UNVERIFIED |
| MMMicro Matic USA INC | Brooksville | FL | — | ◇ UNVERIFIED |
| MCMidmark Corporation (1483060076) | Lebanon | OH | — | ◇ UNVERIFIED |
| MSMid State Plating CO. | Flint | MI | — | ◇ UNVERIFIED |
| MRMidwestern Rust Proof INC | Chicago | IL | — | ◇ UNVERIFIED |
| MGMillennium Galvanizing LLC | Convent | LA | — | ◇ UNVERIFIED |
| MWMiller Welding & Mach Sandy Lick Plt | Brookville | PA | — | ◇ UNVERIFIED |
| MPMnp Precision Parts LLC | Rockford | IL | — | ◇ UNVERIFIED |
| MHModern Hard Chrome Service CO | Warren | MI | — | ◇ UNVERIFIED |
