| HIHa International LLC | Oregon | IL | — | ◇ UNVERIFIED |
| HBHalliburton Berwick Baroid | Berwick | LA | — | ◇ UNVERIFIED |
| HBHalliburton Bossier City Field Camp | Bossier City | LA | — | ◇ UNVERIFIED |
| HCHalliburton Casper Field Camp | Evansville | WY | — | ◇ UNVERIFIED |
| HCHalliburton Casper Field Camp | Evansville | WY | — | ◇ UNVERIFIED |
| HDHalliburton Duncan Field Camp | Duncan | OK | — | ◇ UNVERIFIED |
| HEHalliburton Energy Services | Odessa | TX | — | ◇ UNVERIFIED |
| HEHalliburton Energy Services Bulk Cement Plant | Victoria | TX | — | ◇ UNVERIFIED |
| HEHalliburton Energy Services INC - Beeville | Beeville | TX | — | ◇ UNVERIFIED |
| HEHalliburton Energy Services, INC. - Halwest Facili | Williston | ND | — | ◇ UNVERIFIED |
| HEHalliburton Energy Services, INC. - Norman Doucet | Golden Meadow | LA | — | ◇ UNVERIFIED |
| HEHalliburton Energy Services - Williston | Williston | ND | — | ◇ UNVERIFIED |
| HEHalliburton Energy Svcs | Westlake | LA | — | ◇ UNVERIFIED |
| HFHalliburton Fort Lupton Field Camp | Fort Lupton | CO | — | ◇ UNVERIFIED |
| HMHalliburton Magnet Cove Grinding Plant | Malvern | AR | — | ◇ UNVERIFIED |
| HMHalliburton Monahans Baroid | Monahans | TX | — | ◇ UNVERIFIED |
| HNHalliburton North Slope (prudhoe) Field Camp | Prudhoe Bay | AK | — | ◇ UNVERIFIED |
| HPHalliburton Pocasset Baroid | Pocasset | OK | — | ◇ UNVERIFIED |
| HSHalliburton Sterling Facility | Sterling | AK | — | ◇ UNVERIFIED |
| HWHalliburton Woodville Facility | Woodville | TX | — | ◇ UNVERIFIED |
| HCHanson-loran CO INC | Buena Park | CA | — | ◇ UNVERIFIED |
| HCHarcros Chemicals INC - Memphis Facility | Memphis | TN | — | ◇ UNVERIFIED |
| HEHaviland Enterprises INC | Grand Rapids | MI | — | ◇ UNVERIFIED |
| HPHaviland Products Company - Kalamazoo | Kalamazoo | MI | — | ◇ UNVERIFIED |
| HIHawkins Industrial Group - Rosemount | Rosemount | MN | — | ◇ UNVERIFIED |
| HCHeatbath CORP | Indian Orchard | MA | — | ◇ UNVERIFIED |
| HUHenkel US Operations CORP | Bowling Green | KY | — | ◇ UNVERIFIED |
| HUHenkel US Operations Corporation | West Hazleton | PA | — | ◇ UNVERIFIED |
| HIHercules INC an Aqualon Div | Kenedy | TX | — | ◇ UNVERIFIED |
| HAHighline Aftermarket | Dallas | TX | — | ◇ UNVERIFIED |
| HWHighline Warren LLC | Leominster | MA | — | ◇ UNVERIFIED |
| HWHighline Warren LLC | Livonia | MI | — | ◇ UNVERIFIED |
| HLHighline-warren LLC | Millersburg | OR | — | ◇ UNVERIFIED |
| HIHillyard INC | Saint Joseph | MO | — | ◇ UNVERIFIED |
| HCH-o-h Chemicals INC | Palatine | IL | — | ◇ UNVERIFIED |
| HCHoughton Chemical Distribution and Manufacturing | Boston | MA | — | ◇ UNVERIFIED |
| HTHowmet Ti-cast | Whitehall | MI | — | ◇ UNVERIFIED |
| HCHydrite Chemical CO | Waterloo | IA | — | ◇ UNVERIFIED |
| IIIndco Incorporated | Gloucester City | NJ | — | ◇ UNVERIFIED |
| IOIndependence Oilfield Chemicals | Midland | TX | — | ◇ UNVERIFIED |
| IOIndependence Oilfield Chemicals LLC | Pleasanton | TX | — | ◇ UNVERIFIED |
| IVIngevity Virginia Corporation | Covington | VA | — | ◇ UNVERIFIED |
| IWInnovative Water Care, LLC | Alpharetta | GA | — | ◇ UNVERIFIED |
| ILIntellipak LTD | Newbury | OH | — | ◇ UNVERIFIED |
| JMJacam Manufacturing 2013 Llc-jacam Southwest Sonora | Sonora | TX | — | ◇ UNVERIFIED |
| JHJm Huber CORP | Quincy | IL | — | ◇ UNVERIFIED |
| KIKafko International LTD | Skokie | IL | — | ◇ UNVERIFIED |
 Karcher North America | Chandler | AZ | — | ◇ UNVERIFIED |
| KMKassouni Manufacturing INC | Belding | MI | — | ◇ UNVERIFIED |
| KGKdc/one Groveport | Groveport | OH | — | ◇ UNVERIFIED |
