| HLHaskell Lemon Group LLC / West Plant | Oklahoma City | OK | — | ◇ UNVERIFIED |
| HRHawbaker Recycling Center Stormwater Pag-03 | State College | PA | — | ◇ UNVERIFIED |
| HCHawkinson Construction CO | Grand Rapids | MN | — | ◇ UNVERIFIED |
| HDH & D INC | Gaylord | MI | — | ◇ UNVERIFIED |
| HIHead INC - Portable Asphalt Plant | Topeka | KS | — | ◇ UNVERIFIED |
| HOHeidelberg - Oriskany Falls | Oriskany Falls | NY | — | ◇ UNVERIFIED |
| HGHenry G Meigs | Abbotsford | WI | — | ◇ UNVERIFIED |
| HGHenry G. Meigs, LLC | Portage | WI | — | ◇ UNVERIFIED |
| HHHenry Huber Lake Property | Scottsbluff | NE | — | ◇ UNVERIFIED |
| HMHerbert Malarkey Roofing CO. | South Gate | CA | — | ◇ UNVERIFIED |
| HAHeritage Asphalt, L.l.c. | Warsaw | IN | — | ◇ UNVERIFIED |
| HAHeritage Asphalt, LLC | Cicero | IL | — | ◇ UNVERIFIED |
| HEHeritage Environmental Services, LLC (rotochopper Rg-1) | Lockland | OH | — | ◇ UNVERIFIED |
| HCHerzog Contracting Corp-maryville Site | Maryville | MO | — | ◇ UNVERIFIED |
| HCHerzog Contracting/udm-1900 420tph __418 | Alamogordo | NM | — | ◇ UNVERIFIED |
| HEH E Sargent | Stillwater | ME | — | ◇ UNVERIFIED |
| HCHighlands Cty Board of Cty Commissioners | Sebring | FL | — | ◇ UNVERIFIED |
| HSHigh Sierra Terminaling LLC | Fort Lauderdale | FL | — | ◇ UNVERIFIED |
| HCHighway Contractors (asphalt Plant) (portable) | Portable | KS | — | ◇ UNVERIFIED |
| HMHighway Materials INC - Nazareth | Nazareth | PA | — | ◇ UNVERIFIED |
| HAHillier Asphalt | Nevada | MO | — | ◇ UNVERIFIED |
| HCHinkle Contracting | Irvine | KY | — | ◇ UNVERIFIED |
| HCHinkle Contracting CO LLC | Beattyville | KY | — | ◇ UNVERIFIED |
| HCHinkle Contracting CO LLC - Bowen Asphalt Plant | Bowen | KY | — | ◇ UNVERIFIED |
| HCHinkle Contracting CO LLC - London Asphalt Plant | London | KY | — | ◇ UNVERIFIED |
| HCHinkle Contracting CO LLC - Morehead Asphalt Plant | Morehead | KY | — | ◇ UNVERIFIED |
| HCHinkle Contracting CO LLC - Pomp Asphalt Plant | West Liberty | KY | — | ◇ UNVERIFIED |
| HCHinkle Contracting CO LLC - Somerset Asphalt Plant | Somerset | KY | — | ◇ UNVERIFIED |
| HWHk Willow Creek | Idaho Falls | ID | — | ◇ UNVERIFIED |
| HCHlm Constr. | Rocky Ford, 2.6 Mi S of | CO | — | ◇ UNVERIFIED |
| H1Hma 1 Mimbres Pit Gcp3-3674 | Deming | NM | — | ◇ UNVERIFIED |
| H2Hma 2 Gcp3-4309 | Portable Source | NM | — | ◇ UNVERIFIED |
| HNHma3 Nsr 3691 | Portable Source | NM | — | ◇ UNVERIFIED |
| HBHoerr's Blacktop & Sealcoating LLC | Marshall | IL | — | ◇ UNVERIFIED |
| HIHolcim-wcr INC - Dahlia Hma | Commerce City Area | CO | — | ◇ UNVERIFIED |
| HAHolland - Apac Olathe | Olathe | KS | — | ◇ UNVERIFIED |
| HPHolland Paving | Cleveland | OH | — | ◇ UNVERIFIED |
| HRHolliday Rock CO INC | Littlerock | CA | — | ◇ UNVERIFIED |
| HRHolliday Rock Co., INC. | Rialto | CA | — | ◇ UNVERIFIED |
| HAHolly Asphalt Company | Glendale | AZ | — | ◇ UNVERIFIED |
| HAHollywood Asphalt, LLC | California | MD | — | ◇ UNVERIFIED |
| HQHollywood Quarry | Hollywood | AL | — | ◇ UNVERIFIED |
| HSHolmes Supply CORP | Holmesville | OH | — | ◇ UNVERIFIED |
| HCHoover Concrete Plant #608 | Murfreesboro | TN | — | ◇ UNVERIFIED |
| HAHornell Asphalt | Hornell | NY | — | ◇ UNVERIFIED |
| HOHosea O Weaver & Sons INC | Robertsdale | AL | — | ◇ UNVERIFIED |
| HMHot Mix INC | Greensburg | IN | — | ◇ UNVERIFIED |
| HMHot Mix Paving CO INC | Tullahoma | TN | — | ◇ UNVERIFIED |
| HMHot Mix Plant No 1 - Gcp3-3699 | Jal | NM | — | ◇ UNVERIFIED |
| HEHouston East Asphalt Facility | Houston | TX | — | ◇ UNVERIFIED |