| GPGreensboro Plant | Greensboro | NC | — | ◇ UNVERIFIED |
| GPGreenspoint Plant | Houston | TX | — | ◇ UNVERIFIED |
| GRGroesbeck Ready Mix | Groesbeck | TX | — | ◇ UNVERIFIED |
| GSGulf States Ready Mix Concrete - Plant No 10 | Gulfport | MS | — | ◇ UNVERIFIED |
| GSGulf States Ready-mix Plant 25 | Bay Saint Louis | MS | — | ◇ UNVERIFIED |
| GSGulf States Ready-mix Plant 30 | Semmes | AL | — | ◇ UNVERIFIED |
| HRHamilton Ready Mix | Jefferson | IA | — | ◇ UNVERIFIED |
| HCHancock Concrete Products LLC - Atlantic Ave | Hancock | MN | — | ◇ UNVERIFIED |
| HAHanson Aggregates | Florence | AZ | — | ◇ UNVERIFIED |
| HAHanson Aggregates Arizona INC | Litchfield Park | AZ | — | ◇ UNVERIFIED |
| HAHanson Aggregates Arizona INC | Prescott | AZ | — | ◇ UNVERIFIED |
| HAHanson Aggregates Arizona INC | Laveen | AZ | — | ◇ UNVERIFIED |
| HAHanson Aggregates Arizona INC. | Apache Junction | AZ | — | ◇ UNVERIFIED |
| HAHanson Aggregates Arizona INC. | Mesa | AZ | — | ◇ UNVERIFIED |
| HAHanson Aggregates - Clarkdale Site - Plant 24 | Clarkdale | AZ | — | ◇ UNVERIFIED |
| HAHanson Aggregates of Arizona INC | Phoenix | AZ | — | ◇ UNVERIFIED |
| HPHanson Paver Products Haines City Plant | Haines City | FL | — | ◇ UNVERIFIED |
| HPHanson Pipe and Products Southeast INC | Como | MS | — | ◇ UNVERIFIED |
| HPHanson Pipe & Precast | Sioux Falls | SD | — | ◇ UNVERIFIED |
| HPHanson Pipe & Products INC Jersey Village | Houston | TX | — | ◇ UNVERIFIED |
| HPHanson Pipe & Products INC Longview | Longview | TX | — | ◇ UNVERIFIED |
| HPHanson Pipe & Products INC Salem Plant | Salem | VA | — | ◇ UNVERIFIED |
| HPHanson Pipe & Products, Jackson South | Jackson | MS | — | ◇ UNVERIFIED |
| HPHanson Pipe & Products Southeast INC Pelham | Pelham | AL | — | ◇ UNVERIFIED |
| HCHardaway Concrete CO - Lexington | Lexington | SC | — | ◇ UNVERIFIED |
| HRHawaiian Rock Products-guam | Mangilao | GU | — | ◇ UNVERIFIED |
| HRHawaiian Rock Saipan | Saipan | MP | — | ◇ UNVERIFIED |
| HRHayward Ready-mix Concrete LLC Div of Todd''s Redi | Hayward | WI | — | ◇ UNVERIFIED |
| HBHcm Block and Brick San Antonio Plant | San Antonio | TX | — | ◇ UNVERIFIED |
| HBHcm Block & Brick L.p. | Alleyton | TX | — | ◇ UNVERIFIED |
| HCHeadwaters Concrete Products - East Houston | Houston | TX | — | ◇ UNVERIFIED |
| HCHeadwaters Construction Materials - Dallas | Dallas | TX | — | ◇ UNVERIFIED |
| HCHeadwaters Construction Materials LLC - Eagle Lake | Eagle Lake | TX | — | ◇ UNVERIFIED |
 Heavy Materials Svi - St Thomas | Saint Thomas | VI | — | ◇ UNVERIFIED |
| HCHeckert Construction Company | Pittsburg | KS | — | ◇ UNVERIFIED |
| HMHeidelberg Materials, Concrete | Auburn | AL | — | ◇ UNVERIFIED |
| HPHelco Portable Concrete Plant (donnelly) 302231 | Donnelly | ID | — | ◇ UNVERIFIED |
| HSHelena Sand & Gravel Dba Montana Materials & Const | Anaconda | MT | — | ◇ UNVERIFIED |
| HGHenry G Meigs | Abbotsford | WI | — | ◇ UNVERIFIED |
| HGHenry G. Meigs, LLC | Portage | WI | — | ◇ UNVERIFIED |
| HMHerbert Malarkey Roofing CO. | South Gate | CA | — | ◇ UNVERIFIED |
| HCHeritage Concrete CORP | Exeter | RI | — | ◇ UNVERIFIED |
| HCHerzog Contracting CORP | Elwood | KS | — | ◇ UNVERIFIED |
| HSHess Services - Hays (230th Ave) | Hays | KS | — | ◇ UNVERIFIED |
 High Concrete Group LLC (1483140150) | Springboro | OH | — | ◇ UNVERIFIED |
| HSHigh Sierra Terminaling LLC | Fort Lauderdale | FL | — | ◇ UNVERIFIED |
| H2Highway 2 Ready Mix | Palmyra | NE | — | ◇ UNVERIFIED |
| H9Highway 90 Ready Mix 10 | San Antonio | TX | — | ◇ UNVERIFIED |
| HFHigley Facility | Mesa | AZ | — | ◇ UNVERIFIED |
| HCHinkle Contracting CO LLC - Bowen Asphalt Plant | Bowen | KY | — | ◇ UNVERIFIED |
