| GMGladding Mc Bean Lincoln Clay Products | Lincoln | CA | — | ◇ UNVERIFIED |
| GTGlass to Glass | Portland | OR | — | ◇ UNVERIFIED |
| GCGleason Clay Company, LLC | Gleason | TN | — | ◇ UNVERIFIED |
| GRGleason Roll Off & Recycling INC | Racine | WI | — | ◇ UNVERIFIED |
| GNGlenbrook Nickel Company | Riddle | OR | — | ◇ UNVERIFIED |
| GRGlencore Recycling | East Providence | RI | — | ◇ UNVERIFIED |
| GPGlendon Pyrophyllite, INC. - Mine Site | Glendon | NC | — | ◇ UNVERIFIED |
| GHGlenn Hunter & Associates | Delta | OH | — | ◇ UNVERIFIED |
| GAGlobal Advanced Metals | Gilbertsville | PA | — | ◇ UNVERIFIED |
| GFGlobal Fiberglass Solutions of Texas | Sweetwater | TX | — | ◇ UNVERIFIED |
 Global Tungsten & Powders Llc/hawes Street Plt | Towanda | PA | — | ◇ UNVERIFIED |
| GAGlueck's Auto Parts INC | Osprey | FL | — | ◇ UNVERIFIED |
| GCGolden City Foundry Inc-golden City Foundry INC | Golden City | MO | — | ◇ UNVERIFIED |
| GMGold Metal Recyclers | Dallas | TX | — | ◇ UNVERIFIED |
| GIGoldtech, INC. | San Jose | CA | — | ◇ UNVERIFIED |
 Gopher Resource Llc- State Special Waste Facility | Eagan | MN | — | ◇ UNVERIFIED |
| GIGottlieb INC | Neville Island | PA | — | ◇ UNVERIFIED |
| GIGould INC | Omaha | NE | — | ◇ UNVERIFIED |
| GIGrede Ii LLC Marion | Marion | AL | — | ◇ UNVERIFIED |
| GIGrede Ii - Selma | Selma | AL | — | ◇ UNVERIFIED |
| GLGreene Lyon Metals LLC | Jackson | OH | — | ◇ UNVERIFIED |
| GRGreenville Recycling Ii LLC | Greenville | KY | — | ◇ UNVERIFIED |
| GRGreenway Recycling Services | Pasadena | TX | — | ◇ UNVERIFIED |
| GAGrooms Aluminum Recycling | Ashville | AL | — | ◇ UNVERIFIED |
| GCGulf Chem & Met | Freeport | TX | — | ◇ UNVERIFIED |
| HEHalaco Engineering Company | Oxnard | CA | — | ◇ UNVERIFIED |
| HEHalliburton Energy Services INC | Crescent Valley | NV | — | ◇ UNVERIFIED |
| HHHandy & Hartman LTD. | White Plains | NY | — | ◇ UNVERIFIED |
| HAHanson Aggregates Sandy Flats Quarry | Taylors | SC | — | ◇ UNVERIFIED |
| HSHanson Slag Cement INC | Cape Canaveral | FL | — | ◇ UNVERIFIED |
| HWHarbison Walker Refractories CO | Ludington | MI | — | ◇ UNVERIFIED |
| HEHardcast Enterprises INC | Lancaster | CA | — | ◇ UNVERIFIED |
| HMHarding Metals | Northwood | NH | — | ◇ UNVERIFIED |
| HPHardware Parts Corporation | Boca Raton | FL | — | ◇ UNVERIFIED |
| HHarsco | Cofield | NC | — | ◇ UNVERIFIED |
| HCHarsco CO Heckett Multiserv Plant 16 | Butler | PA | — | ◇ UNVERIFIED |
| HCHarsco CO Heckett Multiserv Plant 49 | Blytheville | AR | — | ◇ UNVERIFIED |
| HCHarsco CO Heckett Multiserv Plant 54 | Blytheville | AR | — | ◇ UNVERIFIED |
| HCHarsco CORP. | La Cygne | KS | — | ◇ UNVERIFIED |
| HCHarsco Corporation | Calvert | AL | — | ◇ UNVERIFIED |
| HCHarsco Corporation | Pawnee | IL | — | ◇ UNVERIFIED |
| HCHarsco Corporation Dba Harsco Metals & Minerals | Cofield | NC | — | ◇ UNVERIFIED |
| HMHarsco Metals - Coatesville | Coatesville | PA | — | ◇ UNVERIFIED |
| HMHarsco Metals - Cofield Facility | Cofield | NC | — | ◇ UNVERIFIED |
| HMHarsco Metals - Gallatin | Ghent | KY | — | ◇ UNVERIFIED |
| HMHarsco Metals - Ihw | East Chicago | IN | — | ◇ UNVERIFIED |
| HMHarsco Metals Midland | Midland | PA | — | ◇ UNVERIFIED |
| HMHarsco Metals - Natrona Facility - Gate 10 | Natrona Heights | PA | — | ◇ UNVERIFIED |
| HMHarsco Metals/ Plt 53 | Koppel | PA | — | ◇ UNVERIFIED |
| HMHarsco Metals - Warren | Warren | OH | — | ◇ UNVERIFIED |
