| HAHanwha Advanced Materials America LLC | Shelby | NC | — | ◇ UNVERIFIED |
| HMHartley Manufacturing CO | Ravenswood | WV | — | ◇ UNVERIFIED |
| HPHarvel Plastics INC | Bakersfield | CA | — | ◇ UNVERIFIED |
| HRHarvin Reaction Technologies Mercury Spill | Greensboro | NC | — | ◇ UNVERIFIED |
| HEHaz-mat Environmental Services, LLC | Charlotte | NC | — | ◇ UNVERIFIED |
| HFH.b. Fuller CO. (1431052206) | Blue Ash | OH | — | ◇ UNVERIFIED |
| HUHdpe Unit Victoria | Victoria | TX | — | ◇ UNVERIFIED |
| HHHelen Hansen Elementary School | Stoughton | MA | — | ◇ UNVERIFIED |
| HUHenkel US Operations | Peabody | MA | — | ◇ UNVERIFIED |
| HUHenkel US Operations Corporation | Berkeley | CA | — | ◇ UNVERIFIED |
| HCHenry CO | Ontario | CA | — | ◇ UNVERIFIED |
| HAHercules Addyston Ohio | Addyston | OH | — | ◇ UNVERIFIED |
| HHexcel | Eden | NC | — | ◇ UNVERIFIED |
| HCHexcel Corporation | Livermore | CA | — | ◇ UNVERIFIED |
| HCHexcel Corporation | Windsor | CO | — | ◇ UNVERIFIED |
| HHHexion Holdings Corporation | Springfield | OR | — | ◇ UNVERIFIED |
| HIHexion INC. - Hope Plant | Hope | AR | — | ◇ UNVERIFIED |
| HIHexion INC. - Morganton | Morganton | NC | — | ◇ UNVERIFIED |
| HLHexion La Grande Site | Island City | OR | — | ◇ UNVERIFIED |
| HSHexion Specialty Chemicals, INC. | Lynwood | CA | — | ◇ UNVERIFIED |
| HSHexion Specialty Chemicals, INC. | Carpentersville | IL | — | ◇ UNVERIFIED |
| HMHFC Manufacturing, inc. | Lancaster | CA | — | ◇ UNVERIFIED |
| HAHgm Automotive Electronics INC | Torrance | CA | — | ◇ UNVERIFIED |
| HCHigh Country Plastics, INC. | Caldwell | ID | — | ◇ UNVERIFIED |
| HRHilco Real Estate, LLC | Elkhart | IN | — | ◇ UNVERIFIED |
| HPHilex Poly LLC | Henrico | VA | — | ◇ UNVERIFIED |
| HUHirsch USA INC. | Peachtree City | GA | — | ◇ UNVERIFIED |
| HRHk Research Corporation | Hickory | NC | — | ◇ UNVERIFIED |
| HPHMG Properties LLC | Lake Mills | WI | — | ◇ UNVERIFIED |
| HHHna Holdings INC. | Pasadena | TX | — | ◇ UNVERIFIED |
| HPHoffman Plastic Compounds INC | Paramount | CA | — | ◇ UNVERIFIED |
| HSHoku Scientific, INC. | Kapolei | HI | — | ◇ UNVERIFIED |
| HHHoliday Housewares | Leominster | MA | — | ◇ UNVERIFIED |
| HDHome Depot 4010 | Hillsboro | OR | — | ◇ UNVERIFIED |
| HIHoneywell INC | Chester | VA | — | ◇ UNVERIFIED |
| HIHoneywell International INC - Chesterfield | Chester | VA | — | ◇ UNVERIFIED |
| HCHorsehead CORP - Monaca Smelter | Monaca | PA | — | ◇ UNVERIFIED |
| HNHot N Glassy INC | Carson | CA | — | ◇ UNVERIFIED |
| HSHppe Surfactant Spill | Columbus | GA | — | ◇ UNVERIFIED |
| H7Hrs - 780 Montague | San Jose | CA | — | ◇ UNVERIFIED |
| HRH R Technologies, INC | Madison Heights | MI | — | ◇ UNVERIFIED |
| HPHuey P Stockstill Llc, Picayune Ready Mix and Asphalt Plant | Picayune | MS | — | ◇ UNVERIFIED |
| HJHugh J Resins CO INC | Long Beach | CA | — | ◇ UNVERIFIED |
| HFHuntington Foam | Coraopolis | PA | — | ◇ UNVERIFIED |
| HHuntsman | Ringwood | IL | — | ◇ UNVERIFIED |
 Huntsman Advanced Materials Americas, Ll | Los Angeles | CA | — | ◇ UNVERIFIED |
| Huntsman Advanced Materials Americas, LLC. | Maple Shade | NJ | — | ◇ UNVERIFIED |
| HAHuntsman Advanced Materials, LLC | Salt Lake City | UT | — | ◇ UNVERIFIED |
| HAHuntsman Advanced Materials - Mcintosh Plant | Mc Intosh | AL | — | ◇ UNVERIFIED |
| HCHuntsman Corporation | Ontario | CA | — | ◇ UNVERIFIED |
