 Hahn Ready Mix CO | Aledo | IL | — | ◇ UNVERIFIED |
| HCHalbert Construction CO. | Steelville | MO | — | ◇ UNVERIFIED |
| HCHaley Concrete INC. | Delevan | NY | — | ◇ UNVERIFIED |
| HPHaley Peck | Orem | UT | — | ◇ UNVERIFIED |
| HMHalf Moon Bay Building and Garden INC | Half Moon Bay | CA | — | ◇ UNVERIFIED |
| HRHamilton Ready Mix | Fort Dodge | IA | — | ◇ UNVERIFIED |
| HCHammerson Corporation | Fort Scott | KS | — | ◇ UNVERIFIED |
| HCHammerson Corporation - Gas Facility | Gas | KS | — | ◇ UNVERIFIED |
| HSHamm St. Joseph Ready-mix Plant | Saint Joseph | MO | — | ◇ UNVERIFIED |
| HTHamm Topeka Facility | Topeka | KS | — | ◇ UNVERIFIED |
| HRHanford Ready Mix Calportland Company | Hanford | CA | — | ◇ UNVERIFIED |
| HRHanford Ready Mix, INC. | Roseville | CA | — | ◇ UNVERIFIED |
| HBHansen Bros Ready Mix | Grass Valley | CA | — | ◇ UNVERIFIED |
| HAHanson Aggregates-goleta Batch Plant | Goleta | CA | — | ◇ UNVERIFIED |
| HAHanson Aggregates LLC | Sacaton | AZ | — | ◇ UNVERIFIED |
| HAHanson Aggregates LLC | Morristown | AZ | — | ◇ UNVERIFIED |
| HAHanson Aggregates Mid-pacific INC | Paso Robles | 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 | Escondido | CA | — | ◇ UNVERIFIED |
| HAHanson Aggregates Pacific Southwest | Lakeside | CA | — | ◇ UNVERIFIED |
| HAHanson Aggregates Pacific Southwest | Oceanside | CA | — | ◇ UNVERIFIED |
| HAHanson Aggregates, Paso North | Placeholder | CA | — | ◇ UNVERIFIED |
| HAHanson Aggregates Pswr Slaughterhouse | Lakeside | CA | — | ◇ UNVERIFIED |
| HAHanson Aggregates San Luis Obispo | San Luis Obispo | CA | — | ◇ UNVERIFIED |
| HAHanson Aggregates West INC | Irwindale | CA | — | ◇ UNVERIFIED |
| HRHanson Ready Mix, INC. | Mcmechen | WV | — | ◇ UNVERIFIED |
| HIHardcrete INC | Weidman | MI | — | ◇ UNVERIFIED |
| HEHardin Enterprises, LLC | Austin | NV | — | ◇ UNVERIFIED |
| HRHardin Ready Mix INC | Hardin | IL | — | ◇ UNVERIFIED |
| HRHardy Rd Rmc Plant | Houston | TX | — | ◇ UNVERIFIED |
| HIHarmco INC. | Chattanooga | TN | — | ◇ UNVERIFIED |
| HSHarold Smith & Son, INC | Saint Helena | CA | — | ◇ UNVERIFIED |
| HCHarper Construction, INC. | Greensboro | NC | — | ◇ UNVERIFIED |
| HCHarper Contracting- 2300 North Concrete Plant | Salt Lake City | UT | — | ◇ UNVERIFIED |
| HFHarris Fence & Concrete Co., INC. | Tonopah | NV | — | ◇ UNVERIFIED |
| HKHarry Kuhn INC | Plainfield | IL | — | ◇ UNVERIFIED |
| HIHarsco Infrastructure | Marion | OH | — | ◇ UNVERIFIED |
| HRHarwin Rmc Plant | Houston | TX | — | ◇ UNVERIFIED |
| HHastings | Hastings | NE | — | ◇ UNVERIFIED |
| HLHavasu Landing Concrete | Lavasu Lake | CA | — | ◇ UNVERIFIED |
| HRHawkeye Ready Mix | Iowa City | IA | — | ◇ UNVERIFIED |
| HRHawkeye Ready-mix, INC. | Cedar Rapids | IA | — | ◇ UNVERIFIED |
| HRHawkins Rexcon Pugmill Batch | Portable | NE | — | ◇ 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 |
