| PCPacific Coast Chemicals Company | Berkeley | — | ◇ UNVERIFIED |
| PPPacific Plastics INC | Brea | — | ◇ UNVERIFIED |
| PBPactiv - Bakersfield | Bakersfield | — | ◇ UNVERIFIED |
| PCPactiv Corporation - La Mirada | La Mirada | — | ◇ UNVERIFIED |
| PIParco INC | Ontario | — | ◇ UNVERIFIED |
| PIPark International Corporation | Long Beach | — | ▲ REPORTED CLOSED |
| PBP. B. Fiberglass Products INC | Sun Valley | — | ◇ UNVERIFIED |
| PPPeterson Products, INC | Belmont | — | ◇ UNVERIFIED |
| PSPhoenix Spas | Anderson | — | ◇ UNVERIFIED |
| PRPhx Recycling INC | Fowler | — | ◇ UNVERIFIED |
| PNPilkington North America Incorporated | Lathrop | — | ◇ UNVERIFIED |
| PAPirelli Armstrong Tire CORP | Hanford | — | ◇ UNVERIFIED |
| PDPlastic Dress Up CO | South El Monte | — | ◇ UNVERIFIED |
| PPPlastipak Packaging INC | Modesto | — | ◇ UNVERIFIED |
| PCPolyair Corporation | Corona | — | ◇ UNVERIFIED |
| PPPolycell Packaging Corporation | Biola | — | ◇ UNVERIFIED |
| PLPolyclad Laminates INC | Elk Grove | — | ◇ UNVERIFIED |
 Polytek Development CORP | Pomona | — | ◇ UNVERIFIED |
| PLPrecision Label INC | Oceanside | — | ◇ UNVERIFIED |
| PMPrime Measurement Products LLC | City of Industry | — | ◇ UNVERIFIED |
| PAProtec Arisawa America INC | Vista | — | ◇ UNVERIFIED |
| RORamcast Ornamental Supply CO INC | Van Nuys | — | ◇ UNVERIFIED |
| RCRegal Cultured Marble INC | Pomona | — | ◇ UNVERIFIED |
| RPRehrig Pacific CO | Los Angeles | — | ◇ UNVERIFIED |
| RPRevere Packaging LLC | Sacramento | — | ◇ UNVERIFIED |
| SPSandee Plastic Extrusions | Paramount | — | ◇ UNVERIFIED |
| SCS. C. Johnson Home Storage, LLC | Fresno | — | ◇ UNVERIFIED |
| SISdi Industries | Pacoima | — | ◇ UNVERIFIED |
| SSSeal Science INC | Irvine | — | ▲ REPORTED CLOSED |
| SSSensation Spas, INC (diamante Spas) | Ontario | — | ◇ UNVERIFIED |
| SCSewing Collection INC | Vernon | — | ◇ UNVERIFIED |
| SFSignature Flexible Packaging, INC | Commerce | — | ◇ UNVERIFIED |
| SASignet Armorlite INC | San Marcos | — | ◇ UNVERIFIED |
| SASkc America INC. | Sunnyvale | — | ◇ UNVERIFIED |
| SMSouthwest Machine & Plastic CO | Glendora | — | ◇ UNVERIFIED |
| SSpacesonic | Union City | — | ◇ UNVERIFIED |
| SVSpecialized Vehicles CORP - Kidron Div | Tulare | — | ◇ UNVERIFIED |
| SIStoropack INC | Downey | — | ◇ UNVERIFIED |
| SFSunshine Fpc INC | Montebello | — | ◇ UNVERIFIED |
| SLSway Lab Facility - Gate510 - San Leandro | San Leandro | — | ◇ UNVERIFIED |
| THTank Holding CORP | Gardena | — | ▲ REPORTED CLOSED |
| TITelair International | Oxnard | — | ◇ UNVERIFIED |
| TDThree D Plastics Incorporated | Burbank | — | ◇ UNVERIFIED |
| TRThree Rivers Levee Improvement Authority | Marysville | — | ◇ UNVERIFIED |
| TSTrelleborg Sealing Solutions El Segundo INC | El Segundo | — | ◇ UNVERIFIED |
| TPTubed Products INC | Oxnard | — | ◇ UNVERIFIED |
| UIUpm INC | Baldwin Park | — | ◇ UNVERIFIED |
| WAWest American Rubber CO INC | Orange | — | ◇ UNVERIFIED |
| WHWincup Holdings LP | Corte Madera | — | ◇ UNVERIFIED |
| XPXtreme Performance Heat Coatings | Oxnard | — | ◇ UNVERIFIED |
