| HMHuntsman - Mcintosh Operations | Mc Intosh | AL | — | ◇ UNVERIFIED |
| HPHuntsman Polymers | Odessa | TX | — | ◇ UNVERIFIED |
| HHHydraulic House INC | Orlando | FL | — | ◇ UNVERIFIED |
| HEHydril Elastomer & Indus | Humble | TX | — | ◇ UNVERIFIED |
| HPHydroseal Polymers INC | Riverside | CA | — | ◇ UNVERIFIED |
| HSHydro Spa LLC | Ocala | FL | — | ◇ UNVERIFIED |
| ICIdi Composites International | Noblesville | IN | — | ◇ UNVERIFIED |
| IRIgm Resin INC | Bartlett | IL | — | ◇ UNVERIFIED |
| ITIllinois Tool Works INC - Drawform | Zeeland | MI | — | ◇ UNVERIFIED |
| IIIlpea Industries INC. | Aurora | OH | — | ◇ UNVERIFIED |
| IMImperial Marble | San Antonio | TX | — | ◇ UNVERIFIED |
| IPImperial Plastics LLC | Norcross | GA | — | ◇ UNVERIFIED |
| ILImpreg, LLC | Richmond | VA | — | ◇ UNVERIFIED |
| IRIndependent Refining CO Llc/exeter | Pittston | PA | — | ◇ UNVERIFIED |
| IVIndorama Venture Sustainable Solutions Fontana INC | Fontana | CA | — | ◇ UNVERIFIED |
| IIIndusol INC | Sutton | MA | — | ◇ UNVERIFIED |
| IDIndustrial Dielectrics Incorporated Dba Idi Composites International | Noblesville | IN | — | ◇ 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 |
| IInduthane | Manteca | CA | — | ◇ 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 |
| ILInfinity Ltl | Swedesboro | NJ | — | ◇ UNVERIFIED |
| ITInhance Technologies LLC | Allentown | PA | — | ◇ UNVERIFIED |
| IInliner | Stone Mountain | GA | — | ◇ UNVERIFIED |
| IInnosphere | Fort Collins | CO | — | ◇ UNVERIFIED |
 Innovative Formulations Corporation | Tucson | AZ | — | ◇ UNVERIFIED |
| IPInnovative Polymers INC | Saint Johns | MI | — | ◇ UNVERIFIED |
| IPInnovative Polymer Sys INC | Ontario | CA | — | ◇ UNVERIFIED |
| ITInsituform Technologies, INC. | Jacksonville | FL | — | ◇ UNVERIFIED |
| IPIntegrated Plastics, LLC | Fremont | MI | — | ◇ UNVERIFIED |
| ILIntellimet LLC | Missoula | MT | — | ◇ UNVERIFIED |
| INIntercontinental Nail Products Dba Klue Plastics INC | Rancho Cordova | CA | — | ◇ UNVERIFIED |
| IPIntercontinental Polymers INC | Morristown | TN | — | ◇ UNVERIFIED |
| ICInteriors Cultured Marble INC | Naples | FL | — | ◇ UNVERIFIED |
| IAInternational Automotive Components | Cottondale | AL | — | ◇ UNVERIFIED |
| ICInternational Cushioning Company, LLC - Hickory | Hickory | NC | — | ◇ UNVERIFIED |
| IDInternational Disc Manufacturer INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| IFInternational Fog INC | Portland | OR | — | ◇ UNVERIFIED |
| IPInternational Polymers CORP | Allentown | PA | — | ◇ UNVERIFIED |
| ICInterplastic CORP | Hawthorne | CA | — | ◇ UNVERIFIED |
| ICInterplastic Corporation | White Bear Lake | MN | — | ◇ UNVERIFIED |
