| GRGcc Rio Grande - Pueblo Cement Plant | Avondale | CO | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| GRGlasgow Ready Mix | Glasgow | MO | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| GFGlens Falls Lehigh Northeast Cement | Wilmington | MA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| GPGrandscape Precast, Inc. | Crescent | IA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| HEHalliburton Energy Services | Woodland | CA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| HRHanson Ready Mix INC. | Fredericksburg | VA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| HMHeidelberg Materials' Cementon/alsen Quarry | Catskill | NY | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| HMHeidelberg Materials US Cement LLC | Speed | IN | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| HMHeidelberg Materials US Cement Llc/nazareth | Nazareth | PA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| HEHeldenfels Enterprises, INC. | El Paso | TX | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| HCHippo Concrete LLC | King of Prussia | PA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| HPHolcim Portland Plant | Florence | CO | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| HIHolcim (us) INC - Fort Collins Terminal | Fort Collins 3.9 Mi. Nw of | CO | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| HIHolcim (us) INC. Portland Pla Nt | Florence, 3.8 Mi E of | CO | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| HUHolcim US INC Ravensdale | Ravensdale | WA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| HCHoyte's Concrete Products, Inc | Rome | NY | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| JCjhz cement llc | Sterling | IL | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| KPKeystone Portland Cement/east Allen | Bath | PA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| LHLafarge Holcim | Ravena | NY | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| LLafargeholcim | Green Bay | WI | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| LNLafarge North America, INC. | Nashville | TN | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| LNLafarge North America INC. and Its Successors | Baltimore | MD | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| LRLafarge Ravena Cement Plant | Ravena | NY | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| LCLegacy Cast Stone and Composites LLC | North Las Vegas | NV | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| LCLehigh Cement Company | College Park | GA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| LCLehigh Cement Company LLC | Fort Lauderdale | FL | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| LCLehigh Cement Company LLC | Mitchell | IN | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| LCLehigh Cement West LLC | Redwood City | CA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| LSLone Star Ind INC Dba Buzzi Unicem USA Pryor Cement Plant | Pryor | OK | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| LSLone Star Industries Dba Buzzi Unicem St. Louis | St Louis | MO | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| LSLone Star Industries Portland Cement Plant | Houston | TX | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| LSLone Star Industries Portland Cement Plant | Dallas | TX | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| MCMaryneal Cement Plant | Maryneal | TX | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| MBMaster Block INC | El Mirage | AZ | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| MPMasterpiece Precast INC | Haskell | NJ | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| MPMaterials Packaging CORP | Draper | UT | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| MVMcclain's Vault Company | Geneva | AL | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| MPMidlothian Plant | Midlothian | TX | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
 Mitsubishi Cement Corporation | Long Beach | CA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| Mitsubishi Cement Corporation Cushenbury Plant | Lucerne Valley | CA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| MMMmc Material, INC | Meridian | MS | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| MTMurray Terminal | Murray | UT | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| NCNational Cement CO of California INC | Lebec | CA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| NCNevada Cement Company | Sacramento | CA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| NENokomis Equity Group LLC | Venice | FL | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| NCNovada Cement Fl, LLC | Palmetto | FL | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| OHODC Holdings LLC | Evans | CO | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| OSOrchard Supply Hardware | Sunnyvale | CA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| PMPd Mechanical, INC. | Apple Valley | CA | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| PCPhoenix Cement Company's Clarkdale Facility | Clarkdale | AZ | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
