| HIHa International LLC | Toledo | OH | — | ◇ UNVERIFIED |
| 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 |
| 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 |
| HIHercules INC an Aqualon Div | Kenedy | TX | — | ◇ UNVERIFIED |
| HPHighlands Plant | Highlands | TX | — | ◇ UNVERIFIED |
| HAHighline Aftermarket | Dallas | TX | — | ◇ UNVERIFIED |
| HWHighline Warren | Council Bluffs | IA | — | ◇ UNVERIFIED |
| HWHighline Warren | Guntersville | AL | — | ◇ UNVERIFIED |
| HWHighline Warren Northeast | Glen Dale | WV | — | ◇ 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 |
 Ifs Industries Inc/reading Plt | Reading | PA | — | ◇ UNVERIFIED |
| IOIndependence Oilfield Chemicals | Midland | TX | — | ◇ UNVERIFIED |
| IOIndependence Oilfield Chemicals LLC | Pleasanton | TX | — | ◇ UNVERIFIED |
| IOIndustrial Oils Unlimited | Pampa | TX | — | ◇ UNVERIFIED |
| IOIndustrial Oils Unlimited, Ar | Shreveport | LA | — | ◇ UNVERIFIED |
| IOIndustrial Oils Unlimited, LLC | Little Rock | AR | — | ◇ UNVERIFIED |
| IOIndustrial Oils Unlimited, LLC | Fort Smith | AR | — | ◇ UNVERIFIED |
| IOIndustrial Oils Unlimited, LLC | Midland | TX | — | ◇ UNVERIFIED |
| IVIngevity Virginia Corporation | Covington | VA | — | ◇ UNVERIFIED |
| IWInnovative Water Care, LLC | Alpharetta | GA | — | ◇ UNVERIFIED |
| ILIntellipak LTD | Newbury | OH | — | ◇ UNVERIFIED |
| IFItw Fluid Products Group | De Witt | IA | — | ◇ UNVERIFIED |
| JMJacam Manufacturing 2013 Llc-jacam Southwest Sonora | Sonora | TX | — | ◇ UNVERIFIED |
| JSJd Streett & CO | Saint Louis | MO | — | ◇ UNVERIFIED |
