| HRHanson Roof Tile - Hobe Sound | Hobe Sound | FL | — | ◇ UNVERIFIED |
| HRHanson Roof Tile INC | Houston | TX | — | ◇ UNVERIFIED |
| HRHanson Roof Tile, INC. | Sanderson | FL | — | ◇ UNVERIFIED |
| HRHanson Roof Tile Summerfield | Summerfield | FL | — | ◇ UNVERIFIED |
| HRHanson Roof Tile Tolleson | Tolleson | AZ | — | ◇ UNVERIFIED |
| HVHappy Valley Blended Products, LLC | Bellefonte | PA | — | ◇ UNVERIFIED |
| HMHargett Materials, INC. | Milan | TN | — | ◇ UNVERIFIED |
| HTHarmarville Temporary Batch Plant Project | Harmar, Township of | PA | — | ◇ UNVERIFIED |
| HGHarold Green Bagging Facility | Austin | TX | — | ◇ UNVERIFIED |
| HCHart Concrete Designs, INC. | Santa Ana | CA | — | ◇ UNVERIFIED |
| HHHaus Holdings LLC | Phoenix | AZ | — | ◇ UNVERIFIED |
| HPHawaii Precast, INC. | Kailua Kona | HI | — | ◇ UNVERIFIED |
| HPHawkeye Pedershaab Concrete Technologies, INC | Mediapolis | IA | — | ◇ UNVERIFIED |
| HUHcm Utah INC | La Mirada | CA | — | ◇ UNVERIFIED |
| HCHeadwaters - Craig Power Plant Terminal | Craig | CO | — | ◇ UNVERIFIED |
| HMHeidelberg Materials' Cementon/alsen Quarry | Catskill | NY | — | ◇ UNVERIFIED |
| HMHeidelberg Materials Northeast Llc- Wheeling Plant Hau | Mcmechen | WV | — | ◇ UNVERIFIED |
| HMHeidelberg Materials US Cement LLC | Plain, Township of | OH | — | ◇ UNVERIFIED |
| HMHeidelberg Materials US Cement LLC | Palmer | MA | — | ◇ UNVERIFIED |
| HMHeidelberg Materials US Cement LLC | Speed | IN | — | ◇ UNVERIFIED |
| HMHeidelberg Materials US Cement LLC | Sellersburg | IN | — | ◇ UNVERIFIED |
| HMHeidelberg Materials US Cement Llc/nazareth | Nazareth | PA | — | ◇ UNVERIFIED |
| HMHeidelberg Materials US Cement LLC (remediation Site) | Mason City | IA | — | ◇ UNVERIFIED |
| HBHeitman Brooks Ii, LLC. | Ontario | CA | — | ◇ UNVERIFIED |
| HEHeldenfels Enterprises, INC. | Corpus Christi | TX | — | ◇ UNVERIFIED |
| HEHeldenfels Enterprises, INC. | El Paso | TX | — | ◇ UNVERIFIED |
| HPHenkay Precast INC | Fort Denaud | FL | — | ◇ UNVERIFIED |
| HCHercules Cement CO Llc/stockertown | Stockertown | PA | — | ◇ UNVERIFIED |
| HPHeritage Personnel, LLC | Cedar Park | TX | — | ◇ UNVERIFIED |
| HIHerpel, INC. | West Palm Beach | FL | — | ◇ UNVERIFIED |
| HCHippo Concrete LLC | King of Prussia | PA | — | ◇ UNVERIFIED |
| HPHmss Plant - Alvin | Alvin | TX | — | ◇ UNVERIFIED |
| HPHmss Plant - Fm1463 | Katy | TX | — | ◇ UNVERIFIED |
| HPHmss Plant - Fm242 | Conroe | TX | — | ◇ UNVERIFIED |
| HPHmss Plant - Highland Shores | Highlands | TX | — | ◇ UNVERIFIED |
| HPHmss Plant - Huffman | Huffman | TX | — | ◇ UNVERIFIED |
| HPHmss Plant - Jacintoport | Houston | TX | — | ◇ UNVERIFIED |
| HPHmss Plant - Jack Road | Hockley | TX | — | ◇ UNVERIFIED |
| HPHmss Plant - Juliff | Rosharon | TX | — | ◇ UNVERIFIED |
| HPHmss Plant - Karen Switch | Magnolia | TX | — | ◇ UNVERIFIED |
| HPHmss Plant - Lake Jackson | Lake Jackson | TX | — | ◇ UNVERIFIED |
| HPHmss Plant - Moorhead | Conroe | TX | — | ◇ UNVERIFIED |
| HPHmss Plant - Old Brownsville | Corpus Christi | TX | — | ◇ UNVERIFIED |
| HPHmss Plant - Plum Grove Rd | Cleveland | TX | — | ◇ UNVERIFIED |
| HPHmss Plant - Ransom Rd | Richmond | TX | — | ◇ UNVERIFIED |
| HPHmss Plant - Sealy | Sealy | TX | — | ◇ UNVERIFIED |
| HPHmss Plant - Sleepy Hollow | Conroe | TX | — | ◇ UNVERIFIED |
| HPHmss Plant - Victoria | Victoria | TX | — | ◇ UNVERIFIED |
| HPHmss Plant - West Road | Katy | TX | — | ◇ UNVERIFIED |
| HFHobusch Facility | Sandy | UT | — | ◇ UNVERIFIED |
| HIHolcim (us) INC Ste Genevieve Plant | Bloomsdale | MO | — | ◇ UNVERIFIED |
| HUHolcim US INC | Superior | NE | — | ◇ UNVERIFIED |
| HIHolcim (us) INC - Catskill Plant | Catskill | NY | — | ◇ UNVERIFIED |
| HUHolcim US INC - Clarksville Plant | Clarksville | MO | — | ◇ UNVERIFIED |
| HIHolcim (us) INC. D/b/a Lafarge Essexville Terminal | Essexville | MI | — | ◇ UNVERIFIED |
| HIHolcim (us) INC - Fort Collins Terminal | Henderson | CO | — | ◇ UNVERIFIED |
| HIHolcim (us) INC - Fort Collins Terminal | Fort Collins 3.9 Mi. Nw of | CO | — | ◇ UNVERIFIED |
| HIHolcim (us) Inc-holcim (us) INC - Kansas City Terminal | North Kansas City | MO | — | ◇ UNVERIFIED |
| HIHolcim (us) INC - Mason City | Mason City | IA | — | ◇ UNVERIFIED |
| HUHolcim US INC Ravensdale | Ravensdale | WA | — | ◇ UNVERIFIED |
| HIHolcim (us) Inc-st Louis Terminal | Saint Louis | MO | — | ◇ UNVERIFIED |
| HRHolliday Rock Company - Palmdale | Palmdale | CA | — | ◇ UNVERIFIED |
| HIHolnam INC - Dundee Plant | Dundee | MI | — | ◇ UNVERIFIED |
| HCHoward Concrete Pumping CO INC | Belleville | IL | — | ◇ UNVERIFIED |
| HCHoyte's Concrete Products, Inc | Rome | NY | — | ◇ UNVERIFIED |
| HIHpkd INC. | Pittsburgh | PA | — | ◇ UNVERIFIED |
| HOHubbell Okc Family | Oklahoma City | OK | — | ◇ UNVERIFIED |
| HPHuntsman Pigments Americas, LLC (dba Southern Color) | Cartersville | GA | — | ◇ UNVERIFIED |
| HWHupp Wilbert Vault Co, INC. | Gahanna | OH | — | ◇ UNVERIFIED |
| HSHurst Sakrete Plant | Fort Worth | TX | — | ◇ UNVERIFIED |
| HRHusky Run, LLC | Sturgeon Lake | MN | — | ◇ UNVERIFIED |
| HMHydraulic Mudpumps INC. | Manitowoc | WI | — | ◇ UNVERIFIED |
| HCHydro Conduit | Thomasville | NC | — | ◇ UNVERIFIED |
| HCHydro Conduit CORP Dba Rinker Materials | Fresno | CA | — | ◇ UNVERIFIED |
| IIIhc Industrial Activity Area | Texarkana | AR | — | ◇ UNVERIFIED |
| IPIJA Properties LLC | Farley | IA | — | ◇ UNVERIFIED |
| ISIkard Septic Manufacturing and Sales | Harvest | AL | — | ◇ UNVERIFIED |
| IPIllini Precast LLC | Charlestown | IN | — | ◇ UNVERIFIED |
| IRIndependence Recycling Jacksonville | Jacksonville | FL | — | ◇ UNVERIFIED |
| IAInduge a Bath INC. | Sarasota | FL | — | ◇ UNVERIFIED |
| IPInnovative Prestress, LLC | Tarpon Springs | FL | — | ◇ UNVERIFIED |
| IIIntegrity Industries LLC | Bend | OR | — | ◇ UNVERIFIED |
| IIIntegrity Industries LLC | Bend | OR | — | ◇ UNVERIFIED |
| IGIntermont Group LTD | Durham | NC | — | ◇ UNVERIFIED |
| IIInterra Innovation INC | Andover | MA | — | ◇ UNVERIFIED |
| ISInterstate Safety Service, Incorporated | Clarks Summit | PA | — | ◇ UNVERIFIED |
| IMIVA Materials LLC | San Antonio | TX | — | ◇ UNVERIFIED |
| IRIvey Red-mix | Mineral Point | WI | — | ◇ UNVERIFIED |
| JRJ&A Real Estate LLC | Spencer | IN | — | ◇ UNVERIFIED |
| JEJaxon Enterprises | Sjvapcd | CA | — | ◇ UNVERIFIED |
| JPJBALL Precast LLC | Willmar | MN | — | ◇ UNVERIFIED |
| JSJb Statuary INC | Canby | OR | — | ◇ UNVERIFIED |
 Jefferson Concrete CORP. | Watertown | NY | — | ◇ UNVERIFIED |
| JSJenasis Structures INC. | Miami | FL | — | ◇ UNVERIFIED |
| JMJennchem Midwest, LLC | Macedonia | IL | — | ◇ UNVERIFIED |
| JEJensen Enterprises | Kapolei | HI | — | ◇ UNVERIFIED |
| JEJensen Enterprises INC | Santa Rosa | CA | — | ◇ UNVERIFIED |
 Jensen Enterprises, INC. | Santa Clarita | CA | — | ◇ UNVERIFIED |
| Jensen Enterprises, INC. | Sparks | NV | — | ◇ UNVERIFIED |
| Jensen Enterprises INC Dba Jensen Precast | Ontario | CA | — | ◇ UNVERIFIED |
