| HNHaulage North America INC. | San Bernardino | CA | — | ◇ UNVERIFIED |
| HCHaverhill Chemicals LLC | Haverhill | OH | — | ◇ UNVERIFIED |
| HLHb, LLC | Manchester | NH | — | ◇ UNVERIFIED |
| HTHeat Trak LLC | Atlanta | GA | — | ◇ UNVERIFIED |
| HUHeliene USA | Mountain Iron | MN | — | ◇ UNVERIFIED |
| HCHercules Chemical CO INC | Passaic | NJ | — | ◇ UNVERIFIED |
| HIHerx INC. | Spring Lake Park | MN | — | ◇ UNVERIFIED |
| HIHerx INC. | Sprink Lake Park | MN | — | ◇ UNVERIFIED |
| HBHexion Baytown | Baytown | TX | — | ◇ UNVERIFIED |
| HSHexion Specialtiy Chemicals INC - Fremont | Fremont | CA | — | ◇ UNVERIFIED |
| HGH & G Fuel, INC | Tujunga | CA | — | ◇ UNVERIFIED |
| HWHickman Williams CO | Monroe | MI | — | ◇ UNVERIFIED |
| HWHickman, Williams & CO of Kentucky | Chicago | IL | — | ◇ UNVERIFIED |
| HWHickman Williams & CO Specialty Carbon Resources | Cicero | IL | — | ◇ UNVERIFIED |
| HDHigh Definition Tool Corporation | Connellys Springs | NC | — | ◇ UNVERIFIED |
| HTHighway Toll Administration | Great Neck | NY | — | ◇ UNVERIFIED |
 Hiller Carbon Dayton | Dayton | TX | — | ◇ UNVERIFIED |
| HTHithium Tech USA | Mesquite | TX | — | ◇ UNVERIFIED |
| HPH&m Precision Products, INC. | Farmington | NM | — | ◇ UNVERIFIED |
| HCHolland Colors of America | Richmond | IN | — | ◇ UNVERIFIED |
| HOHolly Oak Chemical Inc | Fountain Inn | SC | — | ◇ UNVERIFIED |
| HOHome & Oil Gas CO INC | Henderson | KY | — | ◇ UNVERIFIED |
| HHoneywell | Detroit | MI | — | ◇ UNVERIFIED |
| HIHoneywell International INC | Birmingham | AL | — | ◇ UNVERIFIED |
| HAHorizon Automation & Fabrication LLC | Muncie | IN | — | ◇ UNVERIFIED |
| HCHouston Chemical Complex Battleground | Houston | TX | — | ◇ UNVERIFIED |
| HPHouston Plant | Houston | TX | — | ◇ UNVERIFIED |
| HRHoward Research and Development Corp,the | Columbia | MD | — | ◇ UNVERIFIED |
| HOHrc Oregon INC | Oregon City | OR | — | ◇ UNVERIFIED |
| HIHubbell Incorporated Dba Dmc Power, Inc., Olive Branch | Olive Branch | MS | — | ◇ UNVERIFIED |
| HTHughes Training INC | West Covina | CA | — | ◇ UNVERIFIED |
| HCHumphrey Charcoal, INC. | Brookville | PA | — | ◇ UNVERIFIED |
| HEHuntsman Ethyleneamines | Freeport | TX | — | ◇ UNVERIFIED |
| HHydrel | Sylmar | CA | — | ◇ UNVERIFIED |
| IIdatech | Bend | OR | — | ◇ UNVERIFIED |
 Ideal Industries INC | Sycamore | IL | — | ◇ UNVERIFIED |
| IDIdi Distributors | Arlington | WA | — | ◇ UNVERIFIED |
| IAIe Auto Sales | Riverside | CA | — | ◇ UNVERIFIED |
| IFIndiana Flame Service - Contractor of a | Burns Harbor | IN | — | ◇ UNVERIFIED |
| IEIndustrial Electric Motor Service INC | Baton Rouge | LA | — | ◇ UNVERIFIED |
| ISIndustrial Service Supply Inc. | Bridge City | TX | — | ◇ UNVERIFIED |
| IOIneos Oligomers Chocolate Bayou | Alvin | TX | — | ◇ UNVERIFIED |
| IUIneos US Chemicals Company | Wando | SC | — | ◇ UNVERIFIED |
| IBInfinity Building Solutions, LLC | Buford | GA | — | ◇ UNVERIFIED |
| ITInnovative Technology INC Dba Inovati | Goleta | CA | — | ◇ UNVERIFIED |
| IIInsurrection Industries LLC | Winston Salem | NC | — | ◇ UNVERIFIED |
| IMIntegrated Medical Technologies, Inc. | Leicester | NY | — | ◇ UNVERIFIED |
| ICInter City Towing | Los Angeles | CA | — | ◇ UNVERIFIED |
| ICInternational Connector, Inc. | Nokomis | FL | — | ◇ UNVERIFIED |
| ITInternational-matex Tank Terminals (st. Rose) | Saint Rose | LA | — | ◇ UNVERIFIED |
