| KWKemira Water Solutions, INC. | Portland | OR | — | ◇ UNVERIFIED |
| KWKemira Water Solutions INC - Acrylamide Plant | Waggaman | LA | — | ◇ UNVERIFIED |
| KPKemiron Pacific INC | Fontana | CA | — | ◇ UNVERIFIED |
| KPKenrich Petrochemical INC. | Bayonne | NJ | — | ◇ UNVERIFIED |
| KIKerley Ink | Broadview | IL | — | ◇ UNVERIFIED |
| KBKetjen Bayport Plant | Pasadena | TX | — | ◇ UNVERIFIED |
| KMKinder Morgan Wilmington Terminal | Wilmington | NC | — | ◇ UNVERIFIED |
| KCKing Cnty Solid Wst Cedar Hills Landfill | Maple Valley | WA | — | ◇ UNVERIFIED |
| KIKing Inds INC | Norwalk | CT | — | ◇ UNVERIFIED |
| KIKing Industries | Waterbury | CT | — | ◇ UNVERIFIED |
| KCKittrich CORP | Vernon | CA | — | ◇ UNVERIFIED |
| KIKiverdi INC | Hayward | CA | — | ◇ UNVERIFIED |
| KMKohl & Madden | Fremont | CA | — | ◇ UNVERIFIED |
| KMKohl & Madden Plant #2 | Nashville | TN | — | ◇ UNVERIFIED |
| KMKohl & Madden Printing Ink CORP. #1 | Nashville | TN | — | ◇ UNVERIFIED |
| KMKohl & Madden Printing Ink CORP. #2 | Nashville | TN | — | ◇ UNVERIFIED |
| KUKost USA INC. | Ontario | CA | — | ◇ UNVERIFIED |
| K1Kre 1221 Broadway Owners LLC | Oakland | CA | — | ◇ UNVERIFIED |
| KCKrystal Clean Biofuels LLC | Kansas City | KS | — | ◇ UNVERIFIED |
| KAKuraray America, INC | Pasadena | TX | — | ◇ UNVERIFIED |
 Kurita America INC | Temecula | CA | — | ◇ UNVERIFIED |
| KBKwik Bond Polymers LLC | Benicia | CA | — | ◇ UNVERIFIED |
| LCLab Chocolate Bayou Plant | Alvin | TX | — | ◇ UNVERIFIED |
| LGLa Granja 555 LLC - Agricola Plant | Bartow | FL | — | ◇ UNVERIFIED |
| LCLake Charles Methanol Ii LLC - Lake Charles Methanol Facility | Westlake | LA | — | ◇ UNVERIFIED |
| LLLakeland Laboratory INC | Carlstadt | NJ | — | ◇ UNVERIFIED |
| LCLanxess (aka Chemtura Corporation) | Mapleton | IL | — | ◇ UNVERIFIED |
| LCLanxess CORP CO B&j Group INC | Morrisville | PA | — | ◇ UNVERIFIED |
| LCLanxess CORP @ O'hare Airport Ord 838 | Chicago | IL | — | ◇ UNVERIFIED |
| LOLanxess Oxone Memphis Plant | Memphis | TN | — | ◇ UNVERIFIED |
| LSLanxess Solutions Us, INC. | Perth Amboy | NJ | — | ◇ UNVERIFIED |
| LLasercycle/inkcycle | Shawnee | KS | — | ◇ UNVERIFIED |
| LCLasonite Chemical | Jackson | MS | — | ◇ UNVERIFIED |
| LHLbc Houston, LP | Seabrook | TX | — | ◇ UNVERIFIED |
| LILbn INC | Bethlehem | PA | — | ◇ UNVERIFIED |
| LILbn, INC | Hayward | CA | — | ◇ UNVERIFIED |
| LMLeavitt Machinery | Tukwila | WA | — | ◇ UNVERIFIED |
| LCLee/mark Company | Martinez | CA | — | ◇ UNVERIFIED |
| LILesco INC | Stockton | CA | — | ◇ UNVERIFIED |
| LILesco INC Disputanta Plant | Disputanta | VA | — | ◇ UNVERIFIED |
| LNLi-cycle North America Hub INC | Rochester | NY | — | ◇ UNVERIFIED |
| LPLightning Press | Santa Clara | CA | — | ◇ UNVERIFIED |
| LTLimtech Technologies, INC. | Nahunta | GA | — | ◇ UNVERIFIED |
| LCLipo Chemicals, INC. | Vandalia | OH | — | ◇ UNVERIFIED |
| LFLiquid Fence Company, INC. | Nesquehoning | PA | — | ◇ UNVERIFIED |
| LMLiquid Minerals Group, INC. | New Waverly | TX | — | ◇ UNVERIFIED |
| LTLi Tungsten Superfund Site | Glen Cove | NY | — | ◇ UNVERIFIED |
| LAL.L. Associates, LLC | Daphne | AL | — | ◇ UNVERIFIED |
| LGLouisiana Green Fuels LLC - Louisiana Green Fuels | Columbia | LA | — | ◇ UNVERIFIED |
| LLL.t. Litho & Printing CO. INC. | Irvine | CA | — | ◇ UNVERIFIED |
| LALubrizol Advanced Materials | Countryside | IL | — | ◇ UNVERIFIED |
| LOLubrizol Oilfield Chemistry | Elmendorf | TX | — | ◇ UNVERIFIED |
| LLumicyte | Fremont | CA | — | ◇ UNVERIFIED |
 Luxfer Magtech Saxonburg Plt | Saxonburg | PA | — | ◇ UNVERIFIED |
| LMLuxfer Mel Technologies Dba Mel Chemical-treatment Plant | Flemington | NJ | — | ◇ UNVERIFIED |
| LMLynch, Md | Worton | MD | — | ◇ UNVERIFIED |
| LPLynx Processing Facility | Robstown | TX | — | ◇ UNVERIFIED |
| LDLyons Discount Fireworks, LLC | Hastings | NE | — | ◇ UNVERIFIED |
| LILyten INC | Champaign | IL | — | ◇ UNVERIFIED |
| LILyten INC | Fremont | CA | — | ◇ UNVERIFIED |
| LILyten INC | San Leandro | CA | — | ◇ UNVERIFIED |
| LILyten INC | Reno | NV | — | ◇ UNVERIFIED |
| MEM2x Effingham LLC | Effingham | IL | — | ◇ UNVERIFIED |
| MCMacdonald Carbide CO INC | Baldwin Park | CA | — | ◇ UNVERIFIED |
| MPMace Polymers and Coating CO | Dudley | MA | — | ◇ UNVERIFIED |
| MTMackenzie Transition LLC - Mackenzie Company | Bush | LA | — | ◇ UNVERIFIED |
| MMacrocyclics | Plano | TX | — | ◇ UNVERIFIED |
| MIMadison Industries INC | Old Bridge | NJ | — | ◇ UNVERIFIED |
| MMagnaflux | De Witt | IA | — | ◇ UNVERIFIED |
| MCMagnum Colors LLC | Venetia | PA | — | ◇ UNVERIFIED |
| MRMaguire Refining | Minneapolis | MN | — | ◇ UNVERIFIED |
| MPManufacturing / Processing Facility | Easton | PA | — | ◇ UNVERIFIED |
| MBMarathon Bio-diesel | Marathon | FL | — | ◇ UNVERIFIED |
| MLMarathon LLC | Fontana | CA | — | ◇ UNVERIFIED |
| MLMarathon LLC | Martinez | CA | — | ◇ UNVERIFIED |
| MCMark C. Mehrali Dds, a Professional CORP | Camarillo | CA | — | ◇ UNVERIFIED |
| MLMarkwest Langley Processing Plant | Langley | KY | — | ◇ UNVERIFIED |
| MGMaroon Group, LLC | Gardena | CA | — | ◇ UNVERIFIED |
| MMMartin Midstream Partners L.p. | Kilgore | TX | — | ◇ UNVERIFIED |
| MSMarubeni Specialty Chemical INC | Burlingame | CA | — | ◇ UNVERIFIED |
| MPMaruho Plastics Solutions INC Dba Relucent Plastics Solutions | Erie | CO | — | ◇ UNVERIFIED |
| MBMaster Builders Solutions Construction Systems US | Newark | CA | — | ◇ UNVERIFIED |
| MMasterpiecebanner.com | Lemon Grove | CA | — | ◇ UNVERIFIED |
| MIMateria, INC. | Pasadena | CA | — | ◇ UNVERIFIED |
| MMaterion | Milwaukee | WI | — | ◇ UNVERIFIED |
| MAMathers Associates | North Chicago | IL | — | ◇ UNVERIFIED |
| MAMatthews Automated Solutions | Wilsonville | OR | — | ◇ UNVERIFIED |
| MIMatthews Intl Marking Products Division | Blawnox | PA | — | ◇ UNVERIFIED |
| MRMazhar Rizvi | Torrance | CA | — | ◇ UNVERIFIED |
| MBMbi (molecular Biologicals International) | Irvine | CA | — | ◇ UNVERIFIED |
| MIMca, INC. Ses C/o Hhe, INC. | Carson | CA | — | ◇ UNVERIFIED |
| MCM Chemical Manufacturing | Baytown | TX | — | ◇ UNVERIFIED |
| MAMedallion Adir | Paterson | NJ | — | ◇ UNVERIFIED |
| MUMedicilon USA CORP | Woburn | MA | — | ◇ UNVERIFIED |
| MCMel Chemicals INC | Flemington | NJ | — | ◇ UNVERIFIED |
| MPMemc Pasadena INC | Uncle Sam | LA | — | ◇ UNVERIFIED |
| MPMemc Pasadena, Incorporated | Pasadena | TX | — | ◇ UNVERIFIED |
| MEMenlo Energy Florida, LLC | Dade City | FL | — | ◇ UNVERIFIED |
| MLMenon Laboratories | Somerville | MA | — | ◇ UNVERIFIED |
 Metalor Technologies USA | Port Huron | MI | — | ◇ UNVERIFIED |
