| HCHuntsman Corporation | Ontario | CA | — | ◇ UNVERIFIED |
| HCHuntsman Corporation | Dalton | GA | — | ◇ UNVERIFIED |
 Huntsman International | Stockton | CA | — | ◇ UNVERIFIED |
| Huntsman International - Lohnpack Site | Hamilton | NJ | — | ◇ UNVERIFIED |
| HMHuntsman - Mcintosh Operations | Mc Intosh | AL | — | ◇ UNVERIFIED |
| HPHuntsman Polymers | Odessa | TX | — | ◇ UNVERIFIED |
| HAHwtg - Apopka | Apopka | FL | — | ◇ UNVERIFIED |
| HCHydrite Chemical CO | Wausau | WI | — | ◇ UNVERIFIED |
| HPHydroseal Polymers INC | Riverside | CA | — | ◇ UNVERIFIED |
| HSHydro Spa LLC | Ocala | FL | — | ◇ UNVERIFIED |
| HCHyperion Catalysis INC | Cambridge | MA | — | ◇ UNVERIFIED |
| INI-5 North On-ramp at Exit 27 | Kalama | WA | — | ◇ UNVERIFIED |
| IAIbc Advanced Technologies, INC. V-1 | Orem | UT | — | ◇ UNVERIFIED |
| IAIbc Advanced Technologies, INC. Vineyard | Vineyard | UT | — | ◇ UNVERIFIED |
| IPIcl Performance Products LP | Carteret | NJ | — | ◇ UNVERIFIED |
| IPIcl Performance Products, LP | Santa Rosa | CA | — | ◇ UNVERIFIED |
| ISIcl Specialty Products INC Carondelet Plant | Saint Louis | MO | — | ◇ UNVERIFIED |
| ISIdeo Skincare | New York | NY | — | ◇ UNVERIFIED |
| IRIgm Resin INC | Bartlett | IL | — | ◇ UNVERIFIED |
| ILIlashleigh LLC | Lawrenceville | GA | — | ◇ UNVERIFIED |
| IHIl Health & Beauty Natural Oils CO INC | Camarillo | CA | — | ◇ UNVERIFIED |
| IHIl Health & Beauty Natural Oils CO INC (hbno Inc) | Chico | CA | — | ◇ UNVERIFIED |
| ICIlnp Cosmetics INC. | Las Vegas | NV | — | ◇ UNVERIFIED |
| ICImerys Carbonates LLC | Sylacauga | AL | — | ◇ UNVERIFIED |
| INImpact Nano LLC | Devens | MA | — | ◇ UNVERIFIED |
| ILImpreg, LLC | Richmond | VA | — | ◇ UNVERIFIED |
| IRIndependent Refining CO Llc/exeter | Pittston | PA | — | ◇ UNVERIFIED |
| IOIndiana Oxide | Brazil | IN | — | ◇ UNVERIFIED |
| IVIndorama Venture Sustainable Solutions Fontana INC | Fontana | CA | — | ◇ UNVERIFIED |
| IIIndusol INC | Sutton | MA | — | ◇ UNVERIFIED |
| IPIndustrial Plastic Supply | Anaheim | CA | — | ◇ UNVERIFIED |
| IRIndustrial Resin Recycling | Whitmore Lake | MI | — | ◇ UNVERIFIED |
| IRIndustrial Resin Recycling INC | Howell | MI | — | ◇ UNVERIFIED |
| IRIndustrial Resources Network,llc | Wilmington | DE | — | ◇ UNVERIFIED |
| ISIndustrial Summit Technology CORP | Sayreville | NJ | — | ◇ UNVERIFIED |
| IBIneos Barex USA LLC (0302022020) | Lima | OH | — | ◇ UNVERIFIED |
| ICIneos Composites Us, LLC | Commerce | CA | — | ◇ UNVERIFIED |
| IOIneos Olefins and Polymers | La Porte | TX | — | ◇ UNVERIFIED |
| IPIneos Polyethylene | La Porte | TX | — | ◇ UNVERIFIED |
| IPIneos Polymers | La Porte | TX | — | ◇ UNVERIFIED |
| IPIneos Polypropylene LLC | Carson | CA | — | ◇ UNVERIFIED |
| ISIneos Styrolution America LLC | Decatur | AL | — | ◇ UNVERIFIED |
| IFInfinity Fragrances LLC | Myrtle Beach | SC | — | ◇ UNVERIFIED |
| IFInfinity Fragrances LLC | Bridgewater | NJ | — | ◇ UNVERIFIED |
| ITInhance Technologies LLC | Allentown | PA | — | ◇ UNVERIFIED |
| IEInland Environmental | Pasco | WA | — | ◇ UNVERIFIED |
| IIInnophos, INC. | Geismar | LA | — | ◇ UNVERIFIED |
| IInnosphere | Fort Collins | CO | — | ◇ UNVERIFIED |
| ICInnovative Chemical Corporation, INC. | Cottage Grove | MN | — | ◇ UNVERIFIED |
| ICInnovative Chemical Technologies, INC. | Augusta | GA | — | ◇ UNVERIFIED |
