| MPMonterey Peninsula School District | Seaside | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| MFMorgan Four LLC | Torrance | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| MHMorgan Hill Unified School District | Morgan Hill | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| MSMorgan Sterling | Torrance | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| MBMorningstar Baptist Church | Pasadena | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| MLMpl LTD | Monterey | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| MMpusd | Marina | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| MMpusd | Seaside | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| MMpusd | Seaside | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| MMpusd | Marina | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| MHMurrieta Hot Springs Resorts | Murrieta | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| NKNancy Kachline | Burbank | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| NINanogence Incorporated | West Sacramento | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| NHNargas Hossaini | Northridge | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| NRNatalie Reeves | Los Angeles | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| NFNathaniel Faynard | Moorpark | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| NZNathaniel Zur | Mission Viejo | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| NZNathaniel Zur | Lake Forest | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| NCNational Credit Industries INC | Covina | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| NANaval Air Station Pensacola | Pensacola | FL | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| NMNcp Multifamily LLC | Novato | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| NDNeil Duffy | Venice | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| NBNew Basis | Livermore | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| NFNew Future Mine | Galatia | IL | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| NBNewport Beach Cars, LLC C/o Autonation, INC | Newport Beach | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| NMNewport Mesa Unified School District | Costa Mesa | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| NMNewport Mesa Unified School District | Newport Beach | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| NNexceris | Lewis Center | OH | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| NVNextgen Village LLC | Downey | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| NDNick Dispalatro | Long Beach | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| NBNigel Beckmeier | Rancho Palos Verdes | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| NBNir Bendavid | Reseda | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| NBNoam Bouzaglou | Reseda | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| NMNorcal Materials LLC Dba Harbor Ready Mix | San Carlos | CA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| NANorthern Aggregate INC | Bemidji | MN | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| NHNorth Hill Resources | Burlington | WA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| NFNorthwest Florida Manufacturing, LLC | Niceville | FL | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| NLNtc Liberty Station 178, LLC | San Diego | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| NTNusil Technology | Carpinteria | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| OMOak Manor | Lomita | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| OIOldcastle Infrastructure | Redding | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| OIOldcastle Infrastructure INC | Chowchilla | CA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| OPOldcastle Precast Storm Water | Stockton | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| OBOlivia Blachard | West Hollywood | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| OGOrange Group Partners LLC | Los Angeles | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| OOOran Osadon | San Gabriel | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| OROsborne Ranches INC | Mission Viejo | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| OCOscar Chavez | Pasadena | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| OOOscar Orozco | Whittier | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| OYOvsep Yerganyan | Granada Hills | CA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
