| HGHydro Gate Acquisition Corporation | Commerce City | CO | — | ◇ UNVERIFIED |
| IEIbc Emc | Wilmington | MA | — | ◇ UNVERIFIED |
| ICImperial Cleaners & Tailors/washington | Washington | PA | — | ◇ UNVERIFIED |
| IMIndiana Metal Craft Incorporated | Bloomington | IN | — | ◇ UNVERIFIED |
| IFIndustrial Foundry | Uxbridge | MA | — | ◇ UNVERIFIED |
| IMInnovative Metal Designs INC | Westminster | CA | — | ◇ UNVERIFIED |
| IMInterstate Metals | Fort Morgan | CO | — | ◇ UNVERIFIED |
| ILInt'l Light Metals Corporation | Los Angeles | CA | — | ◇ UNVERIFIED |
| ICIsla Carmen LLC | Vancouver | WA | — | ◇ UNVERIFIED |
| IIItt Industries Procast | Cullman | AL | — | ◇ UNVERIFIED |
| JWJerry's Welding INC. | Elgin | IL | — | ◇ UNVERIFIED |
| JCJim Calcagno | Boring | OR | — | ◇ UNVERIFIED |
| JBJjj Brass & Aluminum Foundry, LLC | South Beloit | IL | — | ◇ UNVERIFIED |
| JIJms INC. | Bozeman | MT | — | ◇ UNVERIFIED |
| JWJoe W. Morgan, INC. | Evansville | IN | — | ◇ UNVERIFIED |
| JAJohnson Aluminum Foundry | Cerritos | CA | — | ◇ UNVERIFIED |
| JFJohnstown Foundry Castings, INC. | Johnstown | PA | — | ◇ UNVERIFIED |
| JFJorgensen Forge CORP | Tukwila | WA | — | ◇ UNVERIFIED |
| KAKaiser Aluminum & Chemical CORP Casting Ops | Canton | OH | — | ◇ UNVERIFIED |
| KAKb Alloys LLC | Robards | KY | — | ◇ UNVERIFIED |
| KPKearney Pattern Works and Foundry, INC | San Jose | CA | — | ◇ UNVERIFIED |
| KBKearneys' Brass Works INC | Fresno | CA | — | ◇ UNVERIFIED |
| KMKearneys' Metals, Inc., Dba Kmi Dba Kearneys' Dba | Fresno | CA | — | ◇ UNVERIFIED |
| KMKelco Metals INC | Mount Pleasant | SC | — | ◇ UNVERIFIED |
| KMKellerman Manufacturing Company INC. | Wauconda | IL | — | ◇ UNVERIFIED |
| KIKennametal Inc/colerain Twp Bedford Cast | Bedford | PA | — | ◇ UNVERIFIED |
| KFKidde Fire Fighting | Ranson | WV | — | ◇ UNVERIFIED |
| KSKilroy Structural Steel CO | Cleveland | OH | — | ◇ UNVERIFIED |
| KMKing Model Company INC (1677011225) | Akron | OH | — | ◇ UNVERIFIED |
| KFKloppenborg Foundry & Fan CO | Davenport | IA | — | ◇ UNVERIFIED |
| KFKraton Fabricating | Canonsburg | PA | — | ◇ UNVERIFIED |
| KFKulp Foundry Incorporated | East Stroudsburg | PA | — | ◇ UNVERIFIED |
| KFKvk Foundry INC | Millington | IL | — | ◇ UNVERIFIED |
| LSLake Shore Foundry CO INC | Waukegan | IL | — | ◇ UNVERIFIED |
| LELands End Sculpture Center, INC. | Paonia | CO | — | ◇ UNVERIFIED |
| LPLange's Production Specialties INC | Medford | OR | — | ◇ UNVERIFIED |
| LLLaurentec LLC | Summerville | SC | — | ◇ UNVERIFIED |
| LTLenape Tooling INC | Perkasie | PA | — | ◇ UNVERIFIED |
| LILigon Industries, LLC | Birmingham | AL | — | ◇ UNVERIFIED |
| LALiquid Asset Disposal INC | Wheeling | WV | — | ◇ UNVERIFIED |
| LMLortz Manufacturing Company | Laguna Beach | CA | — | ◇ UNVERIFIED |
| LTL to Z Ent INC | Banning | CA | — | ◇ UNVERIFIED |
| LMLunt Manufacturing CO INC | Schaumburg | IL | — | ◇ UNVERIFIED |
 M2 Performance Solutions LLC | Concord | NC | — | ◇ UNVERIFIED |
| MPMaclean Power, L.l.c. | Alabaster | AL | — | ◇ UNVERIFIED |
| MPMaclean Power Systems, Limited Partnership | Pelham | AL | — | ◇ UNVERIFIED |
| MIMaclyn Incorporated | New Berlin | PA | — | ◇ UNVERIFIED |
| MAMagnesium Alloy Prod. CO | Compton | CA | — | ◇ UNVERIFIED |
| MIMagparts INC | Azusa | CA | — | ◇ UNVERIFIED |
| MBMaiden Bronze | Sandy | OR | — | ◇ UNVERIFIED |
| MBMajor Brass Foundry INC | Gardena | CA | — | ◇ UNVERIFIED |
| MFMansfield Foundry | Mansfield | MO | — | ◇ UNVERIFIED |
| MMMarble Machine, INC. | Danville | IL | — | ◇ UNVERIFIED |
| MMMartin Marietta Corporation | No Locality Name to Migrate From 2002 Nei V3 | NY | — | ◇ UNVERIFIED |
| MIMathews International Corporation | Winter Haven | FL | — | ◇ UNVERIFIED |
 Matthews International Corporation | Kingwood | WV | — | ◇ UNVERIFIED |
| Matthews International Corporation | San Jacinto | CA | — | ◇ UNVERIFIED |
| MPMayer Pollock Steel CORP | Pottstown | PA | — | ◇ UNVERIFIED |
| MAMeltec a Div of Young CORP | Seattle | WA | — | ◇ UNVERIFIED |
| MRMerdian Rail Products CORP | Cicero | IL | — | ◇ UNVERIFIED |
| MBMetal Briquetting Company | Los Angeles | CA | — | ◇ UNVERIFIED |
| MCMetal Casting Technology, INC. | Milford | NH | — | ◇ UNVERIFIED |
| MAMetallic Arts | Spokane | WA | — | ◇ UNVERIFIED |
| MCMetalloy CORP Foundry Div | Hudson | MI | — | ◇ UNVERIFIED |
| MCMetalloy Corp, The, Mississippi Division | Shannon | MS | — | ◇ UNVERIFIED |
| MTMetal Technologies INC | Bloomfield | IN | — | ◇ UNVERIFIED |
| MIMetaltek International, INC. | Pevely | MO | — | ◇ UNVERIFIED |
| MIMetaltek International, Sandusky International Division (0322020117) | Sandusky | OH | — | ◇ UNVERIFIED |
| MMMetso Minerals Industries INC | Birmingham | AL | — | ◇ UNVERIFIED |
| MOMetso Outotec USA INC | Warrenton | MO | — | ◇ UNVERIFIED |
| MMMichigan Metal Technologies INC | Chesterfield | MI | — | ◇ UNVERIFIED |
| MSMichigan Steel, INC. | Muskegon | MI | — | ◇ UNVERIFIED |
| MMMicro Metals | Richmond | CA | — | ◇ UNVERIFIED |
| MAMidwest Alloys Foundry | O Fallon | MO | — | ◇ UNVERIFIED |
| MFMidwest Fabrication and Steel LLC | Pueblo | CO | — | ◇ UNVERIFIED |
| MFMike's Foundry INC. | Ravenna | MI | — | ◇ UNVERIFIED |
| MHMile Hi Metal Foundry | Denver | CO | — | ◇ UNVERIFIED |
| MAMiller and Company LLC | Mulga | AL | — | ◇ UNVERIFIED |
| MUMimecri Usa, LLC | Thomasville | GA | — | ◇ UNVERIFIED |
| MFMission Foundry INC | Omaha | NE | — | ◇ UNVERIFIED |
| MPMississippi Precision Casting Parts, LLC | Columbus | MS | — | ◇ UNVERIFIED |
| MSMissouri Steel Castings Incorporated | Joplin | MO | — | ◇ UNVERIFIED |
 M&m Industries, INC. | Chester | PA | — | ◇ UNVERIFIED |
| MNM & N Alloy Cast Products, INC. | Sylacauga | AL | — | ◇ UNVERIFIED |
| MCModern Custom Casting | Rockford | IL | — | ◇ UNVERIFIED |
| MMModern Metals Foundry INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| MPModern Pattern & Foundry CO. INC. (mp) | Vernon | CA | — | ◇ UNVERIFIED |
| MMMonett Metals Inc-monett Steel Castings | Monett | MO | — | ◇ UNVERIFIED |
| MBMontclair Bronze INC | Montclair | CA | — | ◇ UNVERIFIED |
| MBMorris Bean & CO * | Yellow Springs | OH | — | ◇ UNVERIFIED |
| MAMt Angel Art Foundry INC | Mount Angel | OR | — | ◇ UNVERIFIED |
| NLNanoal LLC | Ashland | MA | — | ◇ UNVERIFIED |
| NBNational Bronze & Metals (ohio) INC | Lorain | OH | — | ◇ UNVERIFIED |
| NFNational Foundry and Mfg. INC. | Crane | TX | — | ◇ UNVERIFIED |
| NMNational Metal Abrasive Company | Wadsworth | OH | — | ◇ UNVERIFIED |
| NFNew Found Metals INC | Port Townsend | WA | — | ◇ UNVERIFIED |
| NMNew Mansfield Brass and Aluminum | New Washington | OH | — | ◇ UNVERIFIED |
| NANorman Arts INC | Enterprise | OR | — | ◇ UNVERIFIED |
| NANorthern Aluminum Foundry | North Fond Du Lac | WI | — | ◇ UNVERIFIED |
| NSNorthern Steel Castings INC | Wisconsin Rapids | WI | — | ◇ UNVERIFIED |
