| DDazpak | Irvine | — | ◇ UNVERIFIED |
| EPExpress Packaging Company | Placentia | — | ◇ UNVERIFIED |
| FSFelix Schoeller North America INC | Anaheim | — | ◇ UNVERIFIED |
| FFreshends | Irvine | — | ◇ UNVERIFIED |
| GCGeorgia-pacific Corrugated LLC | Buena Park | — | ◇ UNVERIFIED |
| GKGolden Kraft INC | Anaheim | — | ◇ UNVERIFIED |
| GPGraphic Packaging International INC | Irvine | — | ◇ UNVERIFIED |
| HIHarris Industries, INC | Huntington Beach | — | ◇ UNVERIFIED |
| IDImperial Dade | Irvine | — | ◇ UNVERIFIED |
| IPInternational Paper | Buena Park | — | ◇ UNVERIFIED |
| IPInternational Paper CO | Anaheim | — | ◇ UNVERIFIED |
| IPInternational Paper Company | Irvine | — | ◇ UNVERIFIED |
| IPInternational Paper Company | Cypress | — | ◇ UNVERIFIED |
| IPInternational Paper-kraft Bag Division | Buena Park | — | ◇ UNVERIFIED |
| JPJansy Packaging | Huntington Beach | — | ◇ UNVERIFIED |
| JSJefferson Smurfit CORP | Irvine | — | ◇ UNVERIFIED |
| JCJellco Container INC | Anaheim | — | ◇ UNVERIFIED |
| JCJellco Container INC | Anaheim | — | ◇ UNVERIFIED |
| JPJose Pineda | Santa Ana | — | ◇ UNVERIFIED |
| KWKimberly-clark Worldwide Inc.-fult. Mill | Fullerton | — | ◇ UNVERIFIED |
| LSLa Supply Co/dba Label House | Irvine | — | ◇ UNVERIFIED |
| LTLeisure Time Packaging, Inc | Irvine | — | ◇ UNVERIFIED |
| LPLogic Packaging, INC. | Santa Ana | — | ◇ UNVERIFIED |
| MPMcdonald Packaging INC | Santa Ana | — | ◇ UNVERIFIED |
| MFMpp Fullerton | Fullerton | — | ◇ UNVERIFIED |
| NGNexus Garden Plaza | Santa Ana | — | ◇ UNVERIFIED |
| PFP.C. Financial, L.L.C. | La Habra | — | ◇ UNVERIFIED |
| RERicoh Electronics INC | Santa Ana | — | ◇ UNVERIFIED |
| RPRts Packaging LLC | Orange | — | ◇ UNVERIFIED |
| SASanta Ana Packaging Inc. | Santa ana | — | ◇ UNVERIFIED |
| SPScope Packaging INC | Orange | — | ◇ UNVERIFIED |
| SOShield of Glory, INC. | Irvine | — | ◇ UNVERIFIED |
| SPSmart Packaging Company | Anaheim | — | ◇ UNVERIFIED |
| SCSouthern California Carton | Garden Grove | — | ◇ UNVERIFIED |
| SCStone Container CORP | Fullerton | — | ◇ UNVERIFIED |
| SISunclipse Inc, St Hart Container Div | Fullerton | — | ◇ UNVERIFIED |
| SISunclipse Inc,st Hart/corru-kraft Iv Div | Fullerton | — | ◇ UNVERIFIED |
| TEThermech Eng CORP | Anaheim | — | ◇ UNVERIFIED |
| TITin Inc., Crockett Container, Dba | Buena Park | — | ◇ UNVERIFIED |
| TFTrade Finishing Corporation | Santa Ana | — | ◇ UNVERIFIED |
| VAVestcom (an Avery Dennison Company) | Cypress | — | ◇ UNVERIFIED |
| ZPZapp Packaging, INC | Brea | — | ◇ UNVERIFIED |
