| HTHaldor Topsoe INC | Pasadena | TX | — | ◇ UNVERIFIED |
| HPHalocarbon Prods CORP | North Augusta | SC | — | ◇ UNVERIFIED |
| HDHalox Division of Icl Specialty Products INC | Hammond | IN | — | ◇ UNVERIFIED |
| HCHanson-loran CO INC | Buena Park | CA | — | ◇ UNVERIFIED |
| HCHarcros Chemicals INC | Dalton | GA | — | ◇ UNVERIFIED |
| HIHawkins INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| HIHawkins, INC. - Memphis | Memphis | TN | — | ◇ UNVERIFIED |
| HIHawkins Industrial Group - Centralia | Centralia | IL | — | ◇ UNVERIFIED |
| HIHawkins Industrial Group - Red Rock | Saint Paul | MN | — | ◇ UNVERIFIED |
| HPHawkins Pine Bend | Rosemount | MN | — | ◇ UNVERIFIED |
| HCHenkel CORP | Calhoun | GA | — | ◇ UNVERIFIED |
| HUHenkel US Operations Corporation | Salisbury | NC | — | ◇ UNVERIFIED |
| HTHeritage Technologies LLC Micronutrients Div | Indianapolis | IN | — | ◇ UNVERIFIED |
| HBHero Bx Clinton | Clinton | IA | — | ◇ UNVERIFIED |
| HIHexion INC. - Fayetteville Facility | Fayetteville | NC | — | ◇ UNVERIFIED |
| HIHexion INC - Luling Facility | Luling | LA | — | ◇ UNVERIFIED |
| HIHexion INC. - Missoula | Missoula | MT | — | ◇ UNVERIFIED |
| HLHexion La Grande Site | La Grande | OR | — | ◇ UNVERIFIED |
| HAHighline Aftermarket | Dallas | TX | — | ◇ UNVERIFIED |
| HWHighline Warren LLC | Livonia | MI | — | ◇ UNVERIFIED |
| HWHighline Warren LLC | Leominster | MA | — | ◇ UNVERIFIED |
| HLHighline-warren LLC | Millersburg | OR | — | ◇ UNVERIFIED |
| HBHill Brothers Chemical CO | Phoenix | AZ | — | ◇ UNVERIFIED |
| HBHill Brothers Chemical CO | City of Industry | CA | — | ◇ UNVERIFIED |
| HBHill Brothers Chemical CO. | San Jose | CA | — | ◇ UNVERIFIED |
| HJH J Baker Bro INC | Wilmington | CA | — | ◇ UNVERIFIED |
| HJH J Baker & Bros INC | Stockton | CA | — | ◇ UNVERIFIED |
| HCHolland Company | Adams | MA | — | ◇ UNVERIFIED |
| HIHoneywell International (burdick & Jackson) | Muskegon | MI | — | ◇ UNVERIFIED |
| HPHopewell Plant | Hopewell | VA | — | ◇ UNVERIFIED |
| HPHouston Plant | Houston | TX | — | ◇ UNVERIFIED |
| HPHouston Plant | Houston | TX | — | ◇ UNVERIFIED |
| HCHp Computing and Printing, INC. | Corvallis | OR | — | ◇ UNVERIFIED |
| HPHuntsman Petrochemical LLC | Dayton | TX | — | ◇ UNVERIFIED |
| HPHuntsman Petrochemical LLC | Conroe | TX | — | ◇ UNVERIFIED |
| HCHydrite Chemical CO | Waterloo | IA | — | ◇ UNVERIFIED |
| HCHydrite Chemical CO | La Crosse | WI | — | ◇ UNVERIFIED |
| HCHydrite Chemical CO | Oshkosh | WI | — | ◇ UNVERIFIED |
| HCHydrite Chemical CO | Milwaukee | WI | — | ◇ UNVERIFIED |
| HCHydrite Chemical CO. | Terre Haute | IN | — | ◇ UNVERIFIED |
| HOHydrodec of NA LLC | Canton | OH | — | ◇ UNVERIFIED |
| IAIbc Advanced Technologies, INC. | American Fork | UT | — | ◇ UNVERIFIED |
| IPIcl Performance Products LP | Lawrence | KS | — | ◇ UNVERIFIED |
| IRIgm Resins Charlotte, INC | Charlotte | NC | — | ◇ UNVERIFIED |
| INImpact Nano 153 Quabbin Boulevard | Orange | MA | — | ◇ UNVERIFIED |
| ICInchem Corporation | Rock Hill | SC | — | ◇ UNVERIFIED |
| IDIndorama Decatur Site | Decatur | AL | — | ◇ UNVERIFIED |
| IVIndorama Ventures Olefin | Westlake | LA | — | ◇ UNVERIFIED |
| ICIndustrial Chemicals CORP | Arvada | CO | — | ◇ UNVERIFIED |
| IAIneos Americas Pasadena Site | Pasadena | TX | — | ◇ UNVERIFIED |
| IOIneos Oxide - a Division of Ineos Americas LLC | Plaquemine | LA | — | ◇ UNVERIFIED |
| ISIneos Styrolution America Bayport Plant | Pasadena | TX | — | ◇ UNVERIFIED |
| IUIneos USA Green Lake Facility | Port Lavaca | TX | — | ◇ UNVERIFIED |
| IUIneos USA LLC | Lima | OH | — | ◇ UNVERIFIED |
| IUIneos USA LLC - Chocolate Bayou Plant | Alvin | TX | — | ◇ UNVERIFIED |
| IUIneos Usa, LLC - Laporte Pao Facility | La Porte | TX | — | ◇ UNVERIFIED |
| IUInfineum USA L.p. - Bayway Chemical Plant | Linden | NJ | — | ◇ UNVERIFIED |
| IIngredion | Mapleton | IL | — | ◇ UNVERIFIED |
| ICInnovative Chemical Technologies INC. | Cartersville | GA | — | ◇ UNVERIFIED |
| ICInnovative Chemical Technologies, INC. | Cartersville | GA | — | ◇ UNVERIFIED |
| IIInolex, INC. | Charlotte | NC | — | ◇ UNVERIFIED |
| IDIntegrated Dna Technologies | Morrisville | NC | — | ◇ UNVERIFIED |
| IFInternational Flavors & Fragrances INC | Hazlet | NJ | — | ◇ UNVERIFIED |
| ICInterstate Chemical CO | Channahon | IL | — | ◇ UNVERIFIED |
| ICInterstate Chemical CO | Pueblo West | CO | — | ◇ UNVERIFIED |
| IWInvista Wilmington | Wilmington | NC | — | ◇ UNVERIFIED |
| INInv Nylon Chemicals Americas - Orange Site | Orange | TX | — | ◇ UNVERIFIED |
| IPInv Propylene, LLC | Houston | TX | — | ◇ UNVERIFIED |
| ICIochem Corporation | Vici | OK | — | ◇ UNVERIFIED |
| IIIoditech INC | Kansas City | MO | — | ◇ UNVERIFIED |
| IRIowa Renewable Energy LLC | Washington | IA | — | ◇ UNVERIFIED |
| ICIps Corporation - Durham Plant | Durham | NC | — | ◇ UNVERIFIED |
| IIIrisys INC | San Diego | CA | — | ◇ UNVERIFIED |
| IMIrix Manufacturing Incorporated | Greenville | SC | — | ◇ UNVERIFIED |
| ILIsola Laminate Systems Pendleton-closed | Pendleton | SC | — | ◇ UNVERIFIED |
| IPIsom Plant | Mcpherson | KS | — | ◇ UNVERIFIED |
| ICIsp Chemicals INC | Huntsville | AL | — | ◇ UNVERIFIED |
| ICIsp Chemicals LLC | Columbus | OH | — | ◇ UNVERIFIED |
| ITIsp Technologies - Texas City | Texas City | TX | — | ◇ UNVERIFIED |
| ISItalmatch Sc LLC | Bedford Park | IL | — | ◇ UNVERIFIED |
| JMJacam Manufacturing 2013 LLC South Plant | Sterling | KS | — | ◇ UNVERIFIED |
| JMJacam Mfg. - Organoclay Processing | Sterling | KS | — | ◇ UNVERIFIED |
| JPJanssen Pharmaceuticals INC. | Athens | GA | — | ◇ UNVERIFIED |
| JBJns Biofuel LLC | New Albany | MS | — | ◇ UNVERIFIED |
| JSJr Simplot | Helm | CA | — | ◇ UNVERIFIED |
| JSJupiter Sulphur, LLC. - Billings | Billings | MT | — | ◇ UNVERIFIED |
| KCKemira Chemicals INC | Aberdeen | MS | — | ◇ UNVERIFIED |
| KCKemira Chemicals INC. | Augusta | GA | — | ◇ UNVERIFIED |
| KCKemira Chemicals INC - Columbus Plant | Columbus | GA | — | ◇ UNVERIFIED |
| KCKemira Chemicals INC Washougal Plant | Washougal | WA | — | ◇ UNVERIFIED |
| KWKemira Water Solutions | Spokane | WA | — | ◇ UNVERIFIED |
| KWKemira Water Solutions, INC. | Baltimore | MD | — | ◇ UNVERIFIED |
| KWKemira Water Solutions, INC. | Mobile | AL | — | ◇ UNVERIFIED |
| KWKemira Water Solutions, INC. - Marietta Plant | Marietta | GA | — | ◇ UNVERIFIED |
| KPKemiron Pacific INC | Mojave | CA | — | ◇ UNVERIFIED |
| KLKensing LLC | Kankakee | IL | — | ◇ UNVERIFIED |
| KIKik (virginia) INC | Salem | VA | — | ◇ UNVERIFIED |
| KTKitchenman Terminal Company | Fairless Hills | PA | — | ◇ UNVERIFIED |
| KEKmg Electronic Chemicals INC | Hollister | CA | — | ◇ UNVERIFIED |
| KEKmg Electronic Chemicals,inc. | Pueblo | CO | — | ◇ UNVERIFIED |
