| CCCandle CORP of America | Texarkana | TX | — | ◇ UNVERIFIED |
| CCCarpenter Company | Elkhart | IN | — | ◇ UNVERIFIED |
| COCatalyst Oilfield Services | Gardendale | TX | — | ◇ UNVERIFIED |
| CRCatalyst Recovery of Louisiana LLC | Lafayette | LA | — | ◇ UNVERIFIED |
 C & a Tool Engineering INC. | Churubusco | IN | — | ◇ UNVERIFIED |
| CCCesi Chemical | Marlow | OK | — | ◇ UNVERIFIED |
| CICh2o Incorporated | Olympia | WA | — | ◇ UNVERIFIED |
| CLChampionx LLC | Naples | UT | — | ◇ UNVERIFIED |
| CLChemetrics, LLC. | Midland | VA | — | ◇ UNVERIFIED |
| CIChemson INC | Philadelphia | PA | — | ◇ UNVERIFIED |
| CDChemstation Denver | Denver | CO | — | ◇ UNVERIFIED |
| CAChemstream Altoona | Altoona | PA | — | ◇ UNVERIFIED |
| CIChemtreat INC | Eldridge | IA | — | ◇ UNVERIFIED |
| CIChemtreat, INC. Nederland, Texas | Nederland | TX | — | ◇ UNVERIFIED |
| CLChem-trend LP | Howell | MI | — | ◇ UNVERIFIED |
| CChemtronics | Kennesaw | GA | — | ◇ UNVERIFIED |
| CIChryso, INC. | Royse City | TX | — | ◇ UNVERIFIED |
| CIChryso, INC. | Denver | CO | — | ◇ UNVERIFIED |
| CCCin Chem Pro, LLC | Batavia | OH | — | ◇ UNVERIFIED |
| CCClariant Corporation - Reserve | Reserve | LA | — | ◇ UNVERIFIED |
| CIClearwater Intl L L C | Elmendorf | TX | — | ◇ UNVERIFIED |
| CCCoastal Chemical Distribution Center | Abbeville | LA | — | ◇ UNVERIFIED |
| CPCoatex & Polacryl | Chester | SC | — | ◇ UNVERIFIED |
| CMColor Matrix CORP | Berea | OH | — | ◇ UNVERIFIED |
| CCColumbia Chemica CORP | Brunswick | OH | — | ◇ UNVERIFIED |
| CCColumbus Chemical Industries INC | Phoenix | AZ | — | ◇ UNVERIFIED |
| CCColumbus Chemical Industries, INC. | Columbus | WI | — | ◇ UNVERIFIED |
| CMCommercial Merchandising Corporation | Charlotte | NC | — | ◇ UNVERIFIED |
| CMCompass Minerals | Duluth | MN | — | ◇ UNVERIFIED |
| CLConocophillips Liquidpower Flow Improver Plant | Bryan | TX | — | ◇ UNVERIFIED |
| CCCoral Chemical CO | Waukegan | IL | — | ◇ UNVERIFIED |
| CGCosmed Group INC | Linden | NJ | — | ◇ UNVERIFIED |
| CICosmo International CORP | Deerfield Beach | FL | — | ◇ UNVERIFIED |
| CCCosmopoliton Chemical CO | Long Island City | NY | — | ◇ UNVERIFIED |
| CICoventya INC | Brooklyn Heights | OH | — | ◇ UNVERIFIED |
| CIC-port I Shore Base Facility | Port Fourchon | LA | — | ◇ UNVERIFIED |
| CICrc Industries INC | Warminster | PA | — | ◇ UNVERIFIED |
| CPCytech Products Incorporated | Elizabethtown | KY | — | ◇ UNVERIFIED |
| DCDober Chemical Corporation | Hazleton | PA | — | ◇ UNVERIFIED |
| DGDz Grinders LLC | Caldwell | ID | — | ◇ UNVERIFIED |
| EIEaton Industrial Corporation | Cleveland | OH | — | ◇ UNVERIFIED |
| EIEcolab INC | Roscoe | IL | — | ◇ UNVERIFIED |
| ECEden Custom Processing LLC | Eden | NC | — | ◇ UNVERIFIED |
| EIElcan Industries INC | Tuckahoe | NY | — | ◇ UNVERIFIED |
| ESElco Solvents/houghton Chemical CORP | Carlstadt | NJ | — | ◇ UNVERIFIED |
| ECEmco Chemical Distributors INC | North Chicago | IL | — | ◇ UNVERIFIED |
| ECEnerco CORP | Grand Ledge | MI | — | ◇ UNVERIFIED |
| ECEvonik CORP | Greensboro | NC | — | ◇ UNVERIFIED |
| ECEvonik Corporation | Los Angeles | CA | — | ◇ UNVERIFIED |
| FCFancyheat CORP | Somerset | NJ | — | ◇ UNVERIFIED |
| FPFluoromed Products, L.p. | Round Rock | TX | — | ◇ UNVERIFIED |
| FIFoamex Innovations Operating CO | Orange | CA | — | ◇ UNVERIFIED |
| FPFrac-chem - Pleasanton | Pleasanton | TX | — | ◇ UNVERIFIED |
| FEFujifilm Electronic Materials | North Kingstown | RI | — | ◇ UNVERIFIED |
| GCGallade Chemical INC | Santa Ana | CA | — | ◇ UNVERIFIED |
 Garratt Callahan | Dallas | TX | — | ◇ UNVERIFIED |
| GAGcp Applied Technologies | Mount Pleasant | TN | — | ◇ UNVERIFIED |
| GAGcp Applied Technologies INC | Los Angeles | CA | — | ◇ UNVERIFIED |
| GWGe Water & Process Technologies Orange Facility | Orange | TX | — | ◇ UNVERIFIED |
| HIHa International LLC | Oregon | IL | — | ◇ UNVERIFIED |
| HIHa International LLC | Toledo | OH | — | ◇ 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 |
| HCHawkeyepedershaab Concrete Technologies, INC | Mediapolis | IA | — | ◇ UNVERIFIED |
| HIHawkins Industrial Group - Rosemount | Rosemount | MN | — | ◇ UNVERIFIED |
| HCHeatbath CORP | Indian Orchard | MA | — | ◇ UNVERIFIED |
| HIHercules INC an Aqualon Div | Kenedy | TX | — | ◇ UNVERIFIED |
| HAHighline Aftermarket | Dallas | TX | — | ◇ 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 |
| 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 |
| JMJackson Machine Sales CO INC | Barbourville | KY | — | ◇ UNVERIFIED |
| JHJm Huber CORP | Quincy | IL | — | ◇ UNVERIFIED |
