| HMHolcim - Mar INC - Stephens City Rmx | Stephens City | VA | — | ◇ UNVERIFIED |
| HPHolcim - Plaquemines Lng Plant | Port Sulphur | LA | — | ◇ UNVERIFIED |
| HIHolcim-sor, Inc.-choctaw | Baton Rouge | LA | — | ◇ UNVERIFIED |
| HIHolcim-sor, Inc.-golden Pass Portable | Sabine Pass | TX | — | ◇ UNVERIFIED |
| HIHolcim-sor, Inc.-gonazales | Gonzales | LA | — | ◇ UNVERIFIED |
| HIHolcim-sor INC - Gonzales Plant | Gonzales | LA | — | ◇ UNVERIFIED |
| HIHolcim-sor, INC. - Pecue | Baton Rouge | LA | — | ◇ UNVERIFIED |
| HUHolcim US INC | Fremont | NE | — | ◇ UNVERIFIED |
| HWHolcim Wcr - Cs-portable | Colorado Springs | CO | — | ◇ UNVERIFIED |
| HIHolcim-wcr INC - Denver Plant | Denver | CO | — | ◇ UNVERIFIED |
| HWHolcim Wcr - Pueblo East | Pueblo | CO | — | ◇ UNVERIFIED |
| HWHolcim Wcr - Pueblo East | Pueblo Area | CO | — | ◇ UNVERIFIED |
| HRHolliday Rock - Adelanto | Adelanto | CA | — | ◇ UNVERIFIED |
| HRHolliday Rock Canoga Park 31 | Canoga Park | CA | — | ◇ UNVERIFIED |
| HRHolliday Rock Chino 18 | Chino | CA | — | ◇ UNVERIFIED |
| HRHolliday Rock Co., INC. | Bakersfield | CA | — | ◇ UNVERIFIED |
| HRHolliday Rock Co., INC. | Rialto | CA | — | ◇ UNVERIFIED |
| HRHolliday Rock Colton Plant 4 | Bloomington | CA | — | ◇ UNVERIFIED |
| HRHolliday Rock Company, INC | Littlerock | CA | — | ◇ UNVERIFIED |
| HRHolliday Rock Company - Mountain View | Upland | CA | — | ◇ UNVERIFIED |
| HRHolliday Rock Company - Van Nuys | Van Nuys | CA | — | ◇ UNVERIFIED |
| HRHolliday Rock - Irvine | Irvine | CA | — | ◇ UNVERIFIED |
| HRHolliday Rock San Bernardino 29 | San Bernardino | CA | — | ◇ UNVERIFIED |
| HRHolliday Rock - San Bernardino Facility | San Bernardino | CA | — | ◇ UNVERIFIED |
| HRHolliday Rock Santa Ana 25 | Santa Ana | CA | — | ◇ UNVERIFIED |
| HRHolliday Rock Ventura 27 | Ventura | CA | — | ◇ UNVERIFIED |
| HRHolliday Rock Westminster 20 | Westminster | CA | — | ◇ UNVERIFIED |
| HCHollingsworth Concrete Products INC. | Carrollton | GA | — | ◇ UNVERIFIED |
| HCHolroyd CO Lakewood | Lakewood | WA | — | ◇ UNVERIFIED |
| HRHolyoke Ready Mix | Holyoke | CO | — | ◇ UNVERIFIED |
| HLHome Lumber Reddimix | Hazard | KY | — | ◇ UNVERIFIED |
| HRHood River Sand and Gravel | Hood River | OR | — | ◇ UNVERIFIED |
| HRHood River Sand, Gravel & Ready Mix - the Dalles | The Dalles | OR | — | ◇ UNVERIFIED |
| HHowell | Freehold | NJ | — | ◇ UNVERIFIED |
| HPHuey P. Stockstill Llc, Asphalt Plant No. 4 | Wiggins | MS | — | ◇ UNVERIFIED |
| HPHuey P Stockstill Llc, Picayune | Picayune | MS | — | ◇ UNVERIFIED |
| HPHuey P. Stockstill Llc, Ready Mix Concrete #2 | Poplarville | MS | — | ◇ UNVERIFIED |
| HPHuey P Stockstill LLC - Tycer Plant #1 | Hammond | LA | — | ◇ UNVERIFIED |
| HPHurst Plant | Hurst | TX | — | ◇ UNVERIFIED |
| IPI-220 Plant | Jackson | MS | — | ◇ UNVERIFIED |
| IDIcmi/nukote Dunbar Plt | Connellsville | PA | — | ◇ UNVERIFIED |
| ICIdaho Concrete Company | Boise | ID | — | ◇ UNVERIFIED |
| ICIdaho Concrete Company Site | Caldwell | ID | — | ◇ UNVERIFIED |
| IMIdaho Materials and Construction | Eagle | ID | — | ◇ UNVERIFIED |
| IRIdeal Ready Mix CO INC | Elvaston | IL | — | ◇ UNVERIFIED |
| IRIdeal Ready Mix CO Inc-canton | Canton | MO | — | ◇ UNVERIFIED |
| IRIdeal Ready Mix CO Inc-kahoka | Kahoka | MO | — | ◇ UNVERIFIED |
| IRIdeal Ready Mix CO INC - Keokuk | Keokuk | IA | — | ◇ UNVERIFIED |
| IRIdeal Ready Mix CO INC - Knoxville | Knoxville | IA | — | ◇ UNVERIFIED |
| IIIdeker INC. (portable) (air) | Wathena | KS | — | ◇ UNVERIFIED |