| HPHarlan Plant # 19 | Bledsoe | KY | — | ◐ LIKELY ACTIVE |
| HCHarrison Construction Divison of Apac-te | Franklin | NC | — | ◐ LIKELY ACTIVE |
| HCHarsco CORP. | La Cygne | KS | — | ◐ LIKELY ACTIVE |
| HMHarsco Metals Plant 1 | Gadsden | AL | — | ◐ LIKELY ACTIVE |
| HLHaskell Lemon Group LLC / Astec Plant | Perkins | OK | — | ◐ LIKELY ACTIVE |
| HLHaskell Lemon Group LLC / East Plant | Oklahoma City | OK | — | ◐ LIKELY ACTIVE |
| HMHaydon Materials LLC - Lebanon Quarry | Lebanon | KY | — | ◐ LIKELY ACTIVE |
| HDH D Crowder and Sons INC - Stone Quarry | Austinville | VA | — | ◐ LIKELY ACTIVE |
| HAHeatherly Asphalt | Cullman | AL | — | ◐ LIKELY ACTIVE |
| HCHenningsen Construction, INC. (haven) | Portable | KS | — | ◐ LIKELY ACTIVE |
| HAHeritage Asphalt, LLC | Columbus | OH | — | ◐ LIKELY ACTIVE |
| HAHess Asphalt Paving (n0139) | Clyde Twp | MI | — | ◐ LIKELY ACTIVE |
| HPHighland Paving Company, LLC | Sanford | NC | — | ◐ LIKELY ACTIVE |
| HPHighland Paving - Leland Plant | Leland | NC | — | ◐ LIKELY ACTIVE |
| HMHighway Materials Inc/plymouth Mtg Asphalt Plt | Plymouth Meeting | PA | — | ◐ LIKELY ACTIVE |
| HMHighway Materials Malvern Plt | Frazer | PA | — | ◐ LIKELY ACTIVE |
| HCHinkle Contracting CO Llc-carrollton Asphalt Plant | Carrollton | KY | — | ◐ LIKELY ACTIVE |
| HCHinkle Contracting Company LLC | Paris | KY | — | ◐ LIKELY ACTIVE |
| HCHk Contractors INC 00207 | Portable | ID | — | ◐ LIKELY ACTIVE |
| HKH & K Group INC Asphalt Plt/foster Twp | Eckley | PA | — | ◐ LIKELY ACTIVE |
| HCHorse Cave Asphalt Plant | Horse Cave | KY | — | ◐ LIKELY ACTIVE |
| HOHosea O. Weaver & Sons, Inc.-asphalt Plant #2 | Grove Hill | AL | — | ◐ LIKELY ACTIVE |
| HMHot Mix Plant 2009-05, Gcp3-3995 | Portable Source | NM | — | ◐ LIKELY ACTIVE |
| HMHoward Materials LLC | Indianapolis | IN | — | ◐ LIKELY ACTIVE |
| HAHowell Asphalt CO | Effingham | IL | — | ◐ LIKELY ACTIVE |
| HCHubbard Construction Company | Tampa | FL | — | ◐ LIKELY ACTIVE |
| HMHwy Materials Blacktop Plt Lititz | Lititz | PA | — | ◐ LIKELY ACTIVE |
| ICIa Const Corp/clarion Hma Plant | Shippenville | PA | — | ◐ LIKELY ACTIVE |
| ICIa Constr Corp/mckean Asphalt Plt | Lewis Run | PA | — | ◐ LIKELY ACTIVE |
| IAI a Construction - Rock Cut | Corriganville | MD | — | ◐ LIKELY ACTIVE |
| IMIcon Materials | Auburn | WA | — | ◐ LIKELY ACTIVE |
| IOImerys Oilfield Solutions | Wrens | GA | — | ◐ LIKELY ACTIVE |
| IPImerys Perlite Usa, INC. | Lake Wales | FL | — | ◐ LIKELY ACTIVE |
| ICIndependence Construction Materials (icm | Georgetown | DE | — | ◐ LIKELY ACTIVE |
| IMIrving Materials INC Dba Park Asphalt | Muncie | IN | — | ◐ LIKELY ACTIVE |
| JCJackson Cr:asphalt | Columbia | SC | — | ◐ LIKELY ACTIVE |
| JPJackson Paving and Construction | Guntersville | AL | — | ◐ LIKELY ACTIVE |
| JCJefferson County Highway Department Quarry | Dandridge | TN | — | ◐ LIKELY ACTIVE |
| JDJerry David Enterprises/concrete | Evansville | IN | — | ◐ LIKELY ACTIVE |
| JAJet Asphalt & Rock #2 | Camden | AR | — | ◐ LIKELY ACTIVE |
| JAJet Asphalt & Rock Company, INC. | Eagle Mills | AR | — | ◐ LIKELY ACTIVE |
| JJJ J Ferguson, Pretress and Precast Company Greenwood | Greenwood | MS | — | ◐ LIKELY ACTIVE |
| JFJ.m. Fahey Const. - Kansas City | Kansas City | KS | — | ◐ LIKELY ACTIVE |
| JMJ M Fahey Construction Company-tracy Plant | Kansas City | MO | — | ◐ LIKELY ACTIVE |
| JSJohnsville Sand and Gravel | Hermitage | AR | — | ◐ LIKELY ACTIVE |
| JCJ&r Constructors Group (asphalt Plant)(portable)(air) | Portable | KS | — | ◐ LIKELY ACTIVE |
| JCJ&r Constructors Group (asphalt Plant)(portable)(air) | Portable | KS | — | ◐ LIKELY ACTIVE |
| KCKe&g Construction Hot Plant | Sierra Vista | AZ | — | ◐ LIKELY ACTIVE |
| KSKeith & Sons, INC. (harry)-hetherington | Portable | KS | — | ◐ LIKELY ACTIVE |
| KCKeller Construction Company | Saint Joseph | MO | — | ◐ LIKELY ACTIVE |