| KCKdh Cedri Test | Columbia | MO | — | ◇ UNVERIFIED |
| KCKeavys Corner LLC | Sebring | FL | — | ◇ UNVERIFIED |
| KGKelley Green Biofuel Kentucky LLC | Goshen | KY | — | ◇ UNVERIFIED |
| KGKellogg Garden Products | Ontario | CA | — | ◇ UNVERIFIED |
| KGKellogg Garden Products | Lockeford | CA | — | ◇ UNVERIFIED |
| KCKemira Chemicals INC | Marietta | GA | — | ◇ UNVERIFIED |
| KCKemira Chemicals, INC. at Inchem | Rock Hill | SC | — | ◇ UNVERIFIED |
| KCKemira Chemicals INC - Shreveport Plant | Shreveport | LA | — | ◇ UNVERIFIED |
| KSKemira Sales Rep | Barnum Township | MN | — | ◇ UNVERIFIED |
| 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 |
| 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 |
| KIKiverdi INC | Hayward | CA | — | ◇ UNVERIFIED |
| KAKoch Agronomic Services Llc- | Saint Louis | MO | — | ◇ UNVERIFIED |
| KNKoch Nitorgen Location Spill Clean Up By Ge Water & Process Technologies | Enid | OK | — | ◇ UNVERIFIED |
| KNKoch Nitrogen | Enid | OK | — | ◇ UNVERIFIED |
| KNKoch Nitrogen Company - Fort Dodge | Fort Dodge | IA | — | ◇ UNVERIFIED |
| KNKoch Nitrogen Company, LLC - Marshalltown Terminal | Marshalltown | IA | — | ◇ UNVERIFIED |
| KPKopro Processing Facility | Livingston | CA | — | ◇ UNVERIFIED |
| KUKost USA INC. | Ontario | CA | — | ◇ UNVERIFIED |
| K1Kre 1221 Broadway Owners LLC | Oakland | CA | — | ◇ UNVERIFIED |
| KCKrystal Clean Biofuels LLC | Kansas City | KS | — | ◇ UNVERIFIED |
| KKugler | Rapid City | SD | — | ◇ UNVERIFIED |
| KOKugler Oil Company - Udf | Ulysses | 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 |
| 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 |
| LCLasonite Chemical | Jackson | MS | — | ◇ UNVERIFIED |
| LHLbc Houston, LP | Seabrook | TX | — | ◇ UNVERIFIED |
| LILbn INC | Bethlehem | PA | — | ◇ UNVERIFIED |
| LILbn, INC | Hayward | CA | — | ◇ UNVERIFIED |
| LCLenroc CO | Ephrata | WA | — | ◇ UNVERIFIED |
| LILesco INC | Stockton | CA | — | ◇ UNVERIFIED |
| LILesco INC Disputanta Plant | Disputanta | VA | — | ◇ UNVERIFIED |
| LNLi-cycle North America Hub INC | Rochester | NY | — | ◇ UNVERIFIED |
| LTLimtech Technologies, INC. | Nahunta | GA | — | ◇ UNVERIFIED |
