| PAPremier Auto Repair | Long Beach | — | ◇ UNVERIFIED |
| PWPremium Windows | Paramount | — | ◇ UNVERIFIED |
| PIPretty In Plastic, Inc. | Long Beach | — | ◇ UNVERIFIED |
| PCProductivity California | South Gate | — | ◇ UNVERIFIED |
| PIProtective Industries INC | Rancho Dominguez | — | ◇ UNVERIFIED |
| QIQ.e.p. INC. | Sun Valley | — | ◇ UNVERIFIED |
| RARay Alex Professional Services LLC | South El Monte | — | ◇ UNVERIFIED |
 R D Rubber Technology | Santa Fe Springs | — | ◇ UNVERIFIED |
| RMRemington Manufacturing | South El Monte | — | ◇ UNVERIFIED |
| RMReynaldo Mejia and Martha Mejia | Huntington Park | — | ◇ UNVERIFIED |
| RBRichard Brown Dba Rb Fiberglass Products | Lynwood | — | ◇ UNVERIFIED |
| RZR&m Zamora Corporation Dba All Size Foam & Fabric | Vernon | — | ◇ UNVERIFIED |
| RWRoadster Wheel LLC | City of Industry | — | ◇ UNVERIFIED |
| RWRopak West, INC. | La Mirada | — | ◇ UNVERIFIED |
| RMRotational Molding INC | Gardena | — | ◇ UNVERIFIED |
| RMRotonics Manufacturing, INC. | Gardena | — | ◇ UNVERIFIED |
| RFRoyal Floormats | South Gate | — | ◇ UNVERIFIED |
| RHRoy Hanson Tanks | Los Angeles | — | ◇ UNVERIFIED |
| RPR Planet Earth Los Angeles LLC | Vernon | — | ◇ UNVERIFIED |
| RSR S K Tool INC | Compton | — | ◇ UNVERIFIED |
| RCRubbercraft Corporation | Long Beach | — | ◇ UNVERIFIED |
| RIRubber-teck INC | Gardena | — | ◇ UNVERIFIED |
| RIRubber/urethanes Incorporated | Azusa | — | ◇ UNVERIFIED |
| SPSage Plastic Long Beach CORP | Long Beach | — | ◇ UNVERIFIED |
| SFSanta Fe Mold Company | Santa Fe Springs | — | ◇ UNVERIFIED |
| SFSanta Fe Packaging Corporation | Santa Fe Springs | — | ◇ UNVERIFIED |
| SBS Bravo Systems INC | Montebello | — | ◇ UNVERIFIED |
| SBS Bravo Systems INC | Commerce | — | ◇ UNVERIFIED |
| SESchindler Elevator - Jc Penny Northridge Fash Center | Northridge | — | ◇ UNVERIFIED |
| SCSchlobohm Company, INC | Rancho Dominguez | — | ◇ UNVERIFIED |
| SCScott Container Products Group | City of Industry | — | ◇ UNVERIFIED |
| SCSealright CO INC Western Divi | Commerce | — | ◇ UNVERIFIED |
| SPSewell Plastics INC | City of Industry | — | ◇ UNVERIFIED |
| SLSix-eleven Limited INC | North Hollywood | — | ◇ UNVERIFIED |
| SISKELL inc | Los Angeles | — | ◇ UNVERIFIED |
| STSol-Pak Thermoforming Inc., a California | Vernon | — | ◇ UNVERIFIED |
| SLSpartech LLC | La Mirada | — | ◇ UNVERIFIED |
| SPSpartech Plastics | La Mirada | — | ◇ UNVERIFIED |
| SISPN Investments, Inc. | Santa Fe Springs | — | ◇ UNVERIFIED |
| SPStar Plastic INC. | Harbor City | — | ◇ UNVERIFIED |
| SDStratasys Direct INC | Valencia | — | ◇ UNVERIFIED |
| SASub Air Cargo Equipment INC | Compton | — | ◇ UNVERIFIED |
| SSSunland Shutters | Long Beach | — | ◇ UNVERIFIED |
| SPSuperior Packaging | Glendale | — | ◇ UNVERIFIED |
| SPSuperior Plastic Fabrication Inc | Gardena | — | ◇ UNVERIFIED |
| TBThe Barber-webb CO INC | Los Angeles | — | ◇ UNVERIFIED |
| TFThe Foam Factory | Rancho Dominguez | — | ◇ UNVERIFIED |
| TGThe Gill Corporation | El Monte | — | ◇ UNVERIFIED |
 The Zippertubing CO | Los Angeles | — | ◇ UNVERIFIED |
| TDThree D Plastics INC | Burbank | — | ◇ UNVERIFIED |
