| PPPactiv Packaging INC | Stockton | — | ◇ UNVERIFIED |
| PPPactiv Packaging INC | Stockton | — | ◇ UNVERIFIED |
| PPPage Packaging Corporation | San Leandro | — | ◇ UNVERIFIED |
| PPPanchita Properties III, LLC | San Bernardino | — | ◇ UNVERIFIED |
| PPPaper, Pulp & Film | Fresno | — | ◇ UNVERIFIED |
| PSPaper Source Converting & Mfg. INC. | Vernon | — | ◇ UNVERIFIED |
| PIPatrick Industries INC | Fontana | — | ◇ UNVERIFIED |
| PLPay - Less Box | South Gate | — | ◇ UNVERIFIED |
| PSPca Southern California Acquisition LLC | City of Industry | — | ◇ UNVERIFIED |
| PSPca Southern California Acquisition LLC Dba Crockett Packing | City of Industry | — | ◇ UNVERIFIED |
| PFP.C. Financial, L.L.C. | La Habra | — | ◇ UNVERIFIED |
| PPPechiney Plastic Packaging, in | San Leandro | — | ◇ UNVERIFIED |
| PPPechiney Plastic Packaging INC | City of Commerce | — | ◇ UNVERIFIED |
| PIPermalite INC | Gardena | — | ◇ UNVERIFIED |
| PCPm Company LLC | Rancho Cucamonga | — | ◇ UNVERIFIED |
| PTPort Townsend Paper CORP. | Pico Rivera | — | ◇ UNVERIFIED |
| PMPratt (robert Mann Packaging) LLC | Salinas | — | ◇ UNVERIFIED |
| PDPrecise Die and Finishing, INC | Chatsworth | — | ◇ UNVERIFIED |
| PBPreferred Boxes, INC. | Ontario | — | ◇ UNVERIFIED |
| PPPreferred Paperbox INC | Ontario | — | ◇ UNVERIFIED |
| PPPreferred Printing & Packaging INC | Ontario | — | ◇ UNVERIFIED |
| PCPrint Copy Xpress | San Mateo | — | ◇ UNVERIFIED |
| PPProactive Packaging and Display | Ontario | — | ◇ UNVERIFIED |
| PLProgressive Label INC | Commerce | — | ◇ UNVERIFIED |
| QCQuality Container Company | Madera | — | ◇ UNVERIFIED |
| QHQuality House Envelope & Printing Specialties INC | Alhambra | — | ◇ UNVERIFIED |
| RBRam Board | Valencia | — | ◇ UNVERIFIED |
| RPRdm Print Signs | Roseville | — | ◇ UNVERIFIED |
| RCReliable Container CORP | Santa Fe Springs | — | ◇ UNVERIFIED |
| RDRelign Div Zimmer Biomet | Santa Clara | — | ◇ UNVERIFIED |
 Reynolds Consumer Products LLC Red Bluff Plant | Red Bluff | — | ◇ UNVERIFIED |
| RCRhino Container | West Sacramento | — | ◇ UNVERIFIED |
| RTRichmond Technology INC. | Redlands | — | ◇ UNVERIFIED |
| RERicoh Electronics INC | Santa Ana | — | ◇ UNVERIFIED |
| RIRiverwood International USA in | Bakersfield | — | ◇ UNVERIFIED |
| RFRobert Fierro | Oxnard | — | ◇ UNVERIFIED |
| RGRocklin Gc Yard | Rocklin | — | ◇ UNVERIFIED |
| RTRock Tenn Converting Company | Fresno | — | ◇ UNVERIFIED |
| RCRocktenn Cp, LLC | Cerritos | — | ◇ UNVERIFIED |
| RPRon Pak | Mira Loma | — | ◇ UNVERIFIED |
| RRonpak | Mira Loma | — | ◇ UNVERIFIED |
| RPRts Packaging a Sonoco Product Company | Merced | — | ◇ UNVERIFIED |
| RPRts Packaging LLC | Orange | — | ◇ UNVERIFIED |
| RPRts Packaging LLC | Stockton | — | ◇ UNVERIFIED |
| SCSacramento Conatainer CORP | Kingsburg | — | ◇ UNVERIFIED |
| SCSacramento Container CORP | Mcclellan | — | ◇ UNVERIFIED |
| SPSambrailo Packaging | Watsonville | — | ◇ UNVERIFIED |
| SASanta Ana Packaging Inc. | Santa ana | — | ◇ UNVERIFIED |
| SPScope Packaging INC | Orange | — | ◇ UNVERIFIED |
| SPSd Paper Box CO | Spring Valley | — | ◇ UNVERIFIED |
