| HAHanson Aggregates Mid-pacific INC | San Luis Obispo | CA | — | ◇ UNVERIFIED |
| HAHanson Aggregates, Morro Bay | Morro Bay | CA | — | ◇ UNVERIFIED |
| HAHanson Aggregates, Nipomo | Nipomo | CA | — | ◇ UNVERIFIED |
| HAHanson Aggregates of Arizona | Litchfield Park | AZ | — | ◇ UNVERIFIED |
| HAHanson Aggregates Pacific Southwest | San Diego | CA | — | ◇ UNVERIFIED |
| HAHanson Aggregates Pacific Southwest | Oceanside | CA | — | ◇ UNVERIFIED |
| HAHanson Aggregates Pacific Southwest | Escondido | CA | — | ◇ UNVERIFIED |
| HAHanson Aggregates Pacific Southwest | Lakeside | CA | — | ◇ UNVERIFIED |
| HAHanson Aggregates Pacific Southwest INC | San Diego | CA | — | ◇ UNVERIFIED |
| HAHanson Aggregates, Paso North | Placeholder | CA | — | ◇ UNVERIFIED |
| HAHanson Aggregates Pswr Slaughterhouse | Lakeside | CA | — | ◇ UNVERIFIED |
| HAHanson Aggregates Sandy Flats Quarry | Taylors | SC | — | ◇ UNVERIFIED |
| HAHanson Aggregates San Luis Obispo | San Luis Obispo | CA | — | ◇ UNVERIFIED |
| HAHanson Aggregates West INC | Irwindale | CA | — | ◇ UNVERIFIED |
| HPHanson Pipe and Precast INC | Hattiesburg | MS | — | ◇ UNVERIFIED |
| HPHanson Pipe & Products, Jackson North | Jackson | MS | — | ◇ UNVERIFIED |
| HPHanson Pipe & Products Precast Panama City | Panama City | FL | — | ◇ UNVERIFIED |
| HRHanson Ready Mix, INC. | Mcmechen | WV | — | ◇ UNVERIFIED |
| HSHanson Slag Cement INC | Cape Canaveral | FL | — | ◇ UNVERIFIED |
| HWHarbison Walker Refractories CO | Ludington | MI | — | ◇ UNVERIFIED |
| HRHarbor Ready-mix | Redwood City | CA | — | ◇ UNVERIFIED |
| HCHardaway Concrete Company Columbia Plant #2 | Columbia | SC | — | ◇ UNVERIFIED |
| HIHardcrete INC | Weidman | MI | — | ◇ UNVERIFIED |
| HEHardin Enterprises, LLC | Austin | NV | — | ◇ UNVERIFIED |
| HRHardin Ready Mix INC | Hardin | IL | — | ◇ UNVERIFIED |
| HRHard Rock Material Cbp | Green Cove Springs | FL | — | ◇ UNVERIFIED |
| HRHard Rock Materials - Baldwin Tradeplex | Baldwin | FL | — | ◇ UNVERIFIED |
| HRHard Rock Materials - Faye Rd | Jacksonville | FL | — | ◇ UNVERIFIED |
| HRHard Rock Materials - St. Augustine Cbp | Elkton | FL | — | ◇ UNVERIFIED |
| HRHard Rock & Redi Mix INC Main Plant | Salida | CO | — | ◇ UNVERIFIED |
| HRHardy Rd Rmc Plant | Houston | TX | — | ◇ UNVERIFIED |
| HLHare Lumber & Ready-mix INC | Clewiston | FL | — | ◇ UNVERIFIED |
| HCHarlan County Concrete LLC | Harlan | KY | — | ◇ UNVERIFIED |
| HCHarlan County Concrete LLC | Harlan | KY | — | ◇ UNVERIFIED |
| HIHarmco INC. | Chattanooga | TN | — | ◇ UNVERIFIED |
| HSHarold Smith & Son, INC | Saint Helena | CA | — | ◇ UNVERIFIED |
| HCHarper Construction, INC. | Greensboro | NC | — | ◇ UNVERIFIED |
| HCHarper Construction, INC. - Closed | Nashville | TN | — | ◇ UNVERIFIED |
| HCHarper Contracting- 2300 North Concrete Plant | Salt Lake City | UT | — | ◇ UNVERIFIED |
| HFHarris Fence & Concrete Co., INC. | Tonopah | NV | — | ◇ UNVERIFIED |
| HCHarrod Concrete & Stone CO INC | Lexington | KY | — | ◇ UNVERIFIED |
| HCHarrod Concrete & Stone CO INC - Blue Sky Plant 10 | Lexington | KY | — | ◇ UNVERIFIED |
| HTHarrod Transport Company Harrod Concrete and Stone Company | Frankfort | KY | — | ◇ UNVERIFIED |
| HKHarry Kuhn INC | Plainfield | IL | — | ◇ UNVERIFIED |
| HWHarry W Kuhn INC | West Chicago | IL | — | ◇ 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 | Pawnee | IL | — | ◇ UNVERIFIED |
| HCHarsco Corporation | Calvert | AL | — | ◇ 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 |
| HMHarsco Minerals | Drakesboro | KY | — | ◇ UNVERIFIED |
| HMHarsco Multiserv Plant 69 | Tuscaloosa | AL | — | ◇ UNVERIFIED |
| HRHarsco - Reed Minerals Division | Gary | IN | — | ◇ UNVERIFIED |
| HHHarso Heckett Multiserv Plant 67 | Pueblo | CO | — | ◇ UNVERIFIED |
| HRHartley Ready Mix Concrete Manufacturing, INC. | Greensboro | NC | — | ◇ UNVERIFIED |
| HRHartleys Ready Mix Concrete | Winston Salem | NC | — | ◇ UNVERIFIED |
| HRHarwin Rmc Plant | Houston | TX | — | ◇ UNVERIFIED |
| HPHaslet Plant | Haslet | TX | — | ◇ UNVERIFIED |
| HHastings | Hastings | NE | — | ◇ UNVERIFIED |
| HLHavasu Landing Concrete | Lavasu Lake | CA | — | ◇ UNVERIFIED |
| HMHavin Material Service-st Clair Plant | Saint Clair | MO | — | ◇ UNVERIFIED |
| HRHawaiian Rock Products | Sinajana | GU | — | ◇ UNVERIFIED |
| HRHawkeye Ready Mix | Iowa City | IA | — | ◇ UNVERIFIED |
| HRHawkeye Ready-mix, INC. | Cedar Rapids | IA | — | ◇ UNVERIFIED |
| HRHawkins Rexcon Pugmill Batch | Portable | NE | — | ◇ UNVERIFIED |
| HRHawk-i Ready Mix | Coralville | IA | — | ◇ UNVERIFIED |
| HCHawthorne Concrete Batch Plant | Hawthorne | NV | — | ◇ UNVERIFIED |
| HCHawthorne Concrete Batch Plant | Yerington | NV | — | ◇ UNVERIFIED |
| HRHays Ready Mix INC. - Great Bend Plant | Great Bend | KS | — | ◇ UNVERIFIED |
| HSHaystack Site | Elko | NV | — | ◇ UNVERIFIED |
| HBHayward Baker | Gillespie | IL | — | ◇ UNVERIFIED |
| HBH B Stanley Incorporated | Beaver Dam | KY | — | ◇ UNVERIFIED |
| HZHb Zachary CO Denver Int Arprt | Denver | CO | — | ◇ UNVERIFIED |
| HLHc&d LLC - Sand Island Ready-mix Facility | Honolulu | HI | — | ◇ UNVERIFIED |
| HCHdm Construction Enterprises Inc./dba Hd | Commerce City | CO | — | ◇ UNVERIFIED |
| HRH&d Redi-mix LLC | Americus | GA | — | ◇ UNVERIFIED |
| HIHead, INC. | Marietta | GA | — | ◇ UNVERIFIED |
| HIHead, INC. - Pope Aaf Plant | Ft. Liberty (cumberland,nc) | NC | — | ◇ UNVERIFIED |
| HHHeavy Highway Infrastructure-sanford Plant | Sanford | FL | — | ◇ UNVERIFIED |
 Heavy Materials Svi - St Croix | Christiansted | VI | — | ◇ UNVERIFIED |
| HRHebron Ready Mix Plant | Hebron | NE | — | ◇ UNVERIFIED |
| HMHeckett Multiserv Plant 18 a Harsco Company | Steelton | PA | — | ◇ UNVERIFIED |
| HPHeckett Plant #21 | Natrona Heights | PA | — | ◇ UNVERIFIED |
| HSHeft & Sons L.l.c. | Greensburg | KS | — | ◇ UNVERIFIED |
| HHH.e. Hunewill Construction Co., INC. | Wellington | NV | — | ◇ UNVERIFIED |
| HMHeidelberg Materials - Alvin Rmc | Alvin | TX | — | ◇ UNVERIFIED |
| HMHeidelberg Materials Ne Braddock Plt | Braddock | PA | — | ◇ UNVERIFIED |
| HMHeidelberg Materials Ne Llc/rich Hill Quarry | Connellsville | PA | — | ◇ UNVERIFIED |
| HMHeidelberg Materials Ne Llc/rich Hill Quarry | Connellsville | PA | — | ◇ UNVERIFIED |
