| PCPacific Community Church | Upland | — | ◇ UNVERIFIED |
| PPParagon Partners | Ontario | — | ◇ UNVERIFIED |
| PJPatel & Joshi Hospitality CORP Dba Americas Best Value Inn & Suites on | Ontario | — | ◇ UNVERIFIED |
| PAPerformance Abrasives Mfg, INC. | Victorville | — | ◇ UNVERIFIED |
| PRPioneer Roofing Tile INC | Fontana | — | ◇ UNVERIFIED |
| PPPyramid Precast INC | Rialto | — | ◇ UNVERIFIED |
| RFRainbow Fiberglass | Chino | — | ◇ UNVERIFIED |
| RBRancho Block Company | San Bernardino | — | ◇ UNVERIFIED |
| RERegards Enterprises Inc | Ontario | — | ◇ UNVERIFIED |
| RFRms Finishing, INC. | Chino | — | ◇ UNVERIFIED |
| RRRobertson's Ready Mix | Highland | — | ◇ UNVERIFIED |
| RRRobertson's Ready Mix | San Bernardino | — | ◇ UNVERIFIED |
| RRRobertson's Ready Mix - Adelanto | Adelanto | — | ◇ UNVERIFIED |
| RRRobertson's Ready Mix - Hesperia | Hesperia | — | ◇ UNVERIFIED |
| RRRobertson's Ready Mix INC | Fontana | — | ◇ UNVERIFIED |
| RRRobertson's Ready Mix - Lucerne Vly (hwy 18) | Lucerne Valley | — | ◇ UNVERIFIED |
| RRRobertson's Ready Mix - Victorville | Victorville | — | ◇ UNVERIFIED |
| SBSan Bernardino County | San Bernardino | — | ◇ UNVERIFIED |
| SRService Rock Prods INC Barstow | Barstow | — | ◇ UNVERIFIED |
| SRService Rock Prods INC Victorville | Victorville | — | ◇ UNVERIFIED |
| SRService Rock Products INC Fort Irwin | Fort Irwin | — | ◇ UNVERIFIED |
| SGShark Glass Recycling West, LLC. | Victorville | — | ◇ UNVERIFIED |
| SMSouthland Mixer Service, INC | Adelanto | — | ◇ UNVERIFIED |
| SWSouth West Concrete Products | Ontario | — | ◇ UNVERIFIED |
| STSpede Tool Mfg CO -rancho Rd | Adelanto | — | ◇ UNVERIFIED |
| SSSpeedway Sbc Development, LLC | Fontana | — | ◇ UNVERIFIED |
| SMSuncrete Materials CO. | Hesperia | — | ◇ UNVERIFIED |
| SBSuperlite Block | Needles | — | ◇ UNVERIFIED |
| TOTerrace Oaks Apartments | Colton | — | ◇ UNVERIFIED |
| TPThompson Pipe Group INC | Rialto | — | ◇ UNVERIFIED |
| UUei | Apple Valley | — | ◇ UNVERIFIED |
| UUei | Apple Valley | — | ◇ UNVERIFIED |
| UMUS Mix | Fontana | — | ◇ UNVERIFIED |
| WSWestern States Wholesale INC Dba Patio Industries | Ontario | — | ◇ UNVERIFIED |
