| IMIntegrated Materials INC | San Jose | CA | — | ◇ UNVERIFIED |
| IZInteramerican Zinc INC | Coldwater | MI | — | ◇ UNVERIFIED |
| IInterpro | Boulder | CO | — | ◇ UNVERIFIED |
| IMInterstate Machinery | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| IMIron & Metals INC | Denver | CO | — | ◇ UNVERIFIED |
| IIIsolatek International INC | San Bernardino | CA | — | ◇ UNVERIFIED |
| IMIvory Mine Project | Lovelock | NV | — | ◇ UNVERIFIED |
| JEJabil Environmental Technologies | Memphis | TN | — | ◇ UNVERIFIED |
| JBJ & B Enterprises | Santa Clara | CA | — | ◇ UNVERIFIED |
| JCJ Cloud INC | El Cajon | CA | — | ◇ UNVERIFIED |
| JMJeremy Martin | Santa Cruz | CA | — | ◇ UNVERIFIED |
| JEJet Enterprises & Holding CO LLC | Sauget | IL | — | ◇ UNVERIFIED |
| JGJJLP Group LLC | Akron | OH | — | ◇ UNVERIFIED |
| JMJj Metal Services | Opa Locka | FL | — | ◇ UNVERIFIED |
| JHJm Huber Corporation | Atlanta | GA | — | ◇ UNVERIFIED |
| JLJohn Lee | Sacramento | CA | — | ◇ UNVERIFIED |
| JTJp Technology INC. | Logan Twp | NJ | — | ◇ UNVERIFIED |
| JDJv Development | Boss | MO | — | ◇ UNVERIFIED |
| KAKaiser Alutek | Spokane | WA | — | ◇ UNVERIFIED |
| KMKalco Metals | Wheatland | PA | — | ◇ UNVERIFIED |
| KIKamen Iron & Metal | Wichita | KS | — | ◇ UNVERIFIED |
| KMKansas Minerals | Mankato | KS | — | ◇ UNVERIFIED |
| KQKapaa Quarry Recycling INC | Kailua | HI | — | ◇ UNVERIFIED |
| KMKelley Metals CORP | East Providence | RI | — | ◇ UNVERIFIED |
| KBKemet Blue Powder | Carson City | NV | — | ◇ UNVERIFIED |
| KKennametal-town | Fallon | NV | — | ◇ UNVERIFIED |
| KUKennecott Utah Copper LLC | South Jordan | UT | — | ◇ UNVERIFIED |
| KUKennecott Utah Copper Smelter | Magna | UT | — | ◇ UNVERIFIED |
| KAKentucky Aluminum Processors (kap) - Russellville | Russellville | KY | — | ◇ UNVERIFIED |
| KRKerebe Recycling Company | Monett | MO | — | ◇ UNVERIFIED |
| KCKeshar Casting LLC | Milwaukee | WI | — | ◇ UNVERIFIED |
| KAKeystone Automotive Industries Inc- Transmetco | Huntington | IN | — | ◇ UNVERIFIED |
| KFKeystone Filler & Mfg/muncy Coal Prep Pl | Muncy | PA | — | ◇ UNVERIFIED |
| KCKeywell CORP - Vac Air Alloys Div | Midland | PA | — | ◇ UNVERIFIED |
| KLKeywell LLC | Chicago | IL | — | ◇ UNVERIFIED |
| KAKincheloe and Sons | Myrtle Point | OR | — | ◇ UNVERIFIED |
| KIKing Industries, LLC | Akron | OH | — | ◇ UNVERIFIED |
| KAKoenig and Vitts Mirro Plnt 5 | Manitowoc | WI | — | ◇ UNVERIFIED |
| KRKohart Recycling of Fostoria | Fostoria | OH | — | ◇ UNVERIFIED |
| KKoken-koken | Saint Louis | MO | — | ◇ UNVERIFIED |
| KCKroot CORP | Columbus | IN | — | ◇ UNVERIFIED |
| KQKutztown Quarry | Kutztown | PA | — | ◇ UNVERIFIED |
| KMKyanite Mining Corporation - Dillwyn Mullite Plant | Dillwyn | VA | — | ◇ UNVERIFIED |
| KHKy Heat Treating | Georgetown | KY | — | ◇ UNVERIFIED |
| KMKylcase Metals, LLC | Canton | OH | — | ◇ UNVERIFIED |
| KRKymera Reading Alloys Inc/robesonia | Robesonia | PA | — | ◇ UNVERIFIED |
| LBLa Bash Metals | Newbury Park | CA | — | ◇ UNVERIFIED |
| LCLafarge CORP Duquesne_plant | Pittsburgh | PA | — | ◇ UNVERIFIED |
| LNLafarge North America-mineral Solutions | Eagan | MN | — | ◇ UNVERIFIED |
| LCLaguna Clay CO | City of Industry | CA | — | ◇ UNVERIFIED |
| LMLaney Materials LLC - Laney Recycling and Aggregates | Laurel | MD | — | ◇ UNVERIFIED |
| LCLash Const. (5 S. Calle Cesar Chavez ) | Santa Barbara | CA | — | ◇ UNVERIFIED |
| LCLash Construction | Santa Barbara | CA | — | ◇ UNVERIFIED |
| LVLash/screen - Various Locations | Santa Barbara | CA | — | ◇ UNVERIFIED |
| LELead Enterprises INC | Miami | FL | — | ◇ UNVERIFIED |
| LMLead Masters | Hesperia | CA | — | ◇ UNVERIFIED |
| LSLegacy Systems INC | Fremont | CA | — | ◇ UNVERIFIED |
| LCLehigh Cement CO | Woodsboro | MD | — | ◇ UNVERIFIED |
| LIL&e Industrial* | Hialeah | FL | — | ◇ UNVERIFIED |
| LRLetohatchee Rail | Letohatchee | AL | — | ◇ UNVERIFIED |
| LELevy Environmental Services Company | Delta | OH | — | ◇ UNVERIFIED |
| LLLevy Lexington | Lexington | NC | — | ◇ UNVERIFIED |
| LILg Industrial Supply, LLC | Cleveland | OH | — | ◇ UNVERIFIED |
| LILg Industrial Supply, LLC | Lyndhurst | OH | — | ◇ UNVERIFIED |
| LNLhoist North America of Tn, LLC Dba Spinks Clay Company, INC. Dba Tyson Plant | Paris | TN | — | ◇ UNVERIFIED |
| LMLiberty Mfg INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| LSLilliputian Systems INC | Wilmington | MA | — | ◇ UNVERIFIED |
| LMLinfinity Microelectronics INC | Garden Grove | CA | — | ◇ UNVERIFIED |
| LMLite-n-bolt Manufacturing CO | Leitchfield | KY | — | ◇ UNVERIFIED |
| LSLone Star Industries INC Dba Buzzi Unicem USA - New Orleans Cement Terminal | New Orleans | LA | — | ◇ UNVERIFIED |
| LLoxcreen | Hayti | MO | — | ◇ UNVERIFIED |
| LLLpg Land & Development Corporation | Cheat Lake | WV | — | ◇ UNVERIFIED |
| LLLwfp LLC Dba Trinity Esc | Frazier Park | CA | — | ◇ UNVERIFIED |
| MEMagnesium Elektron Company | Tamaqua | PA | — | ◇ UNVERIFIED |
| MPMairec Precious Metals | Spartanburg | SC | — | ◇ UNVERIFIED |
| MMManchester Metals | North Manchester | IN | — | ◇ UNVERIFIED |
| MIMankato Iron & Metal INC | Mankato | MN | — | ◇ UNVERIFIED |
| MCMarinette Casting CORP | Peshtigo | WI | — | ◇ UNVERIFIED |
| MGMark Gray Enterprises | Columbus | OH | — | ◇ UNVERIFIED |
| MMMartin Marietta Materials, INC. - Wilson Quarry | Wilson | NC | — | ◇ UNVERIFIED |
| MMMartin Marietta:rock Hill | Rock Hill | SC | — | ◇ UNVERIFIED |
| MRMaryland Recycling | Baltimore | MD | — | ◇ UNVERIFIED |
| MRMaterials Recovery Technologies | York | PA | — | ◇ UNVERIFIED |
| MCMaterion CORP | Albuquerque | NM | — | ◇ UNVERIFIED |
| MMMayco Mfg LLC | Granite City | IL | — | ◇ UNVERIFIED |
| MMMcp Metalspecialties | Fairfield | CT | — | ◇ UNVERIFIED |
| MMMega Ms LTD | Highlands | TX | — | ◇ UNVERIFIED |
| MCMellott Co/cedar Hill Quarry | Peach Bottom | PA | — | ◇ UNVERIFIED |
| MDMercury Defense Systems INC | Cypress | CA | — | ◇ UNVERIFIED |
| MGMetalico-college Grove, INC. | College Grove | TN | — | ◇ UNVERIFIED |
| MMMetal - Materials Processing, L.l.c. | Aberdeen | NC | — | ◇ UNVERIFIED |
| MUMetalor USA Refining Corporation | Hialeah | FL | — | ◇ UNVERIFIED |
| MRMetal Resources INC | Fontanta | CA | — | ◇ UNVERIFIED |
| MSMetal Services - Bay 2 | Hialeah | FL | — | ◇ UNVERIFIED |
| MSMetal Services LLC | Ghent | KY | — | ◇ UNVERIFIED |
| MSMetal Services LLC (phoenix Global) | Ghent | KY | — | ◇ UNVERIFIED |
| MIMetals Investment Trust LTD. | East Chicago | IN | — | ◇ UNVERIFIED |
| MSMetal Source LLC | Wabash | IN | — | ◇ UNVERIFIED |
| MMetaltech | Hillsboro | TX | — | ◇ UNVERIFIED |
| MMetalx | Auburn | IN | — | ◇ UNVERIFIED |
