| DCDynamic Cement Products | Stockton | — | ◇ UNVERIFIED |
| EREagle Roofing Products | Stockton | — | ◇ UNVERIFIED |
| EREd's Rockery U-haul Concrete, Landscape | Manteca | — | ◇ UNVERIFIED |
| GTGlassfab Tempering Services INC. | Tracy | — | ◇ UNVERIFIED |
| GIGreen International Solutions INC | Stockton | — | ◇ UNVERIFIED |
| HPHanson Pipe & Products | Lockeford | — | ◇ UNVERIFIED |
| HBHd Builder Solutions Gp | Lathrop | — | ◇ UNVERIFIED |
| JAJason and Toni Cooper, Partnership | Tracy | — | ◇ UNVERIFIED |
| JPJensen Precast | Lockeford | — | ◇ UNVERIFIED |
| JPJensen Precast | Lockeford | — | ◇ UNVERIFIED |
| LSLehigh Southwest Cement Company | Stockton | — | ◇ UNVERIFIED |
| LSLehigh Southwest Cement Company | Stockton | — | ◇ UNVERIFIED |
| LNLhoist North America Stockton Terminal | Stockton | — | ◇ UNVERIFIED |
| LCLibbey-owens-ford CO. | Lathrop | — | ◇ UNVERIFIED |
| NPNorthwest Pipe Company, LLC | Tracy | — | ◇ UNVERIFIED |
| OEOldcastle Enclosure Solutions | Tracy | — | ◇ UNVERIFIED |
| OIOldcastle Infrastructure | Stockton | — | ◇ UNVERIFIED |
| OPOldcastle Precast, INC. | Stockton | — | ◇ UNVERIFIED |
| OPOldcastle Precast, INC. | Lathrop | — | ◇ UNVERIFIED |
| OPOldcastle Precast Storm Water | Stockton | — | ◇ UNVERIFIED |
| OGOwens-brockway Glass Container | Tracy | — | ◇ UNVERIFIED |
| PCPacific Custom Materials | Stockton | — | ◇ UNVERIFIED |
| PIParexlahabra INC | French Camp | — | ◇ UNVERIFIED |
| PTPebble Technology International | Manteca | — | ◇ UNVERIFIED |
| PLPilkington Libbey Owens Ford | Manteca | — | ◇ UNVERIFIED |
| PLP & L Concrete Products | Escalon | — | ◇ UNVERIFIED |
| QBQbr Brake INC. | Stockton | — | ◇ UNVERIFIED |
| RHRalph Hayes & Son, INC. | Tracy | — | ◇ UNVERIFIED |
| RERamrock Environmental | Stockton | — | ◇ UNVERIFIED |
| RRRobertson's Ready Mix | Tracy | — | ◇ UNVERIFIED |
| RRRobertson's Ready Mix | Lathrop | — | ◇ UNVERIFIED |
| TATeichert Aggregates | Stockton | — | ◇ UNVERIFIED |
| TRTeichert Readymix | San Joaquin CO. | — | ◇ UNVERIFIED |
| TMThe Mud Mill, INC | Lodi | — | ◇ UNVERIFIED |
| TRTracy Ready Mix Calportland Company | Tracy | — | ◇ UNVERIFIED |
| TSTransload Solutions LLC | Stockton | — | ◇ UNVERIFIED |
| TSTraylor Shea Precast a Joint Venture | Stockton | — | ◇ UNVERIFIED |
