International E-z Up, INC. | Norco | 100–499 | ● ACTIVE |
Mil-bar Plastics, INC. | Corona | — | ● ACTIVE |
Purosil LLC | Corona | — | ● ACTIVE |
Quality Foam Packaging, INC. | Lake Elsinore | — | ● ACTIVE |
| AEAdvanced Engineering and Molding Technology, INC. | Riverside | — | ● ACTIVE |
Finova LLC | Riverside | — | ● ACTIVE |
| HIHarrington Industrial Plastics LLC | Riverside | — | ● ACTIVE |
Merrick Engineering, INC. | Corona | — | ● ACTIVE |
| RLRw Lyall | Corona | 100–499 | ◐ LIKELY ACTIVE |
| TPTnt Plastic Molding | Corona | 20–99 | ◐ LIKELY ACTIVE |
| FAFranklin Acquisitions (dba Fibernetics Molded Products) | Nuevo | — | ◐ LIKELY ACTIVE |
| NBNew Basis (frmly Associated Plastics) | Riverside | — | ◐ LIKELY ACTIVE |
Altium Packaging - Corona | Corona | 20–99 | ◐ LIKELY ACTIVE |
| ALArvinyl Laminates LP | Corona | 20–99 | ◐ LIKELY ACTIVE |
| HPHirel Plastics & Molding | Riverside | 20–99 | ◐ LIKELY ACTIVE |
| PPPreproduction Plastics, INC | Corona | — | ◐ LIKELY ACTIVE |
| RBRepublic Bag | Corona | 20–99 | ◐ LIKELY ACTIVE |
| SPSkyspares Parts INC | Riverside | — | ◐ LIKELY ACTIVE |
| TCTrademark Cosmetics | Riverside | — | ◐ LIKELY ACTIVE |
| TMTrade Mark Plastics INC | Riverside | — | ◐ LIKELY ACTIVE |
| TMTrm Manufacturing | Corona | 100–499 | ◐ LIKELY ACTIVE |
| BRBas Recycling | Moreno Valley | — | ◇ UNVERIFIED |
| CICarbonlite Industries LLC | Riverside | — | ◇ UNVERIFIED |
| ETElastomer Technologies, INC (eti) | Corona | — | ◇ UNVERIFIED |
| MRMission Rubber CO | Corona | — | ◇ UNVERIFIED |
| MRMitchell Rubber Products INC | Mira Loma | — | ◇ UNVERIFIED |
| OTO'neill Tube & Reel | Mira Loma | — | ◇ UNVERIFIED |
| PCPolyair Corporation | Corona | — | ◇ UNVERIFIED |
| 1D10 Day Parts, Inc | Riverside | 1–19 | ◐ LIKELY ACTIVE |
| APAMA Plastics Corp | Riverside | 100–499 | ◐ LIKELY ACTIVE |
| CCorona | Corona | 20–99 | ◐ LIKELY ACTIVE |
| JEJM Eagle | Perris | 20–99 | ◐ LIKELY ACTIVE |
| LPLighthouse Packaging, A FirmaPak Company | Corona | 20–99 | ◐ LIKELY ACTIVE |
| MWMilgard Windows and Doors | Temecula | 500+ | ◐ LIKELY ACTIVE |
| PEPeabody Engineering & Supply, Inc. | Corona | 20–99 | ◐ LIKELY ACTIVE |
| RPRiverside Pouring Plant | Riverside | 100–499 | ◐ LIKELY ACTIVE |
| TUTigre USA Inc. | Beaumont | 100–499 | ◐ LIKELY ACTIVE |
| VIVm International: 945 E Chrurch St. Riverside, Ca 92507 | Riverside | 100–499 | ◐ LIKELY ACTIVE |
| BIBomatic INC | Temecula | — | ◇ UNVERIFIED |
| UPUS Plastic INC | Riverside | — | ◇ UNVERIFIED |
| URUS Rubber Roller | Riverside | — | ◇ UNVERIFIED |
| APAaron Packaging INC | Corona | — | ◇ UNVERIFIED |
| AEAdvanced Engineering & Molding | Riverside | — | ◇ UNVERIFIED |
| AEAmeristar Enterprises, Inc. | Riverside | — | ◇ UNVERIFIED |
| ASAmeri Star Windows INC | Riverside | — | ◇ UNVERIFIED |
| ASAmf Support Surfaces, INC. Dba Tridien Medical | Corona | — | ◇ UNVERIFIED |
| APAustin Plastics INC | Corona | — | ◇ UNVERIFIED |
| BMBahnson's Machine Shop | Palm Springs | — | ◇ UNVERIFIED |
| BAB/e Aerospace Dba Teklam CORP. | Corona | — | ◇ UNVERIFIED |
| BRBorder Recapping LLC Dba Border Tire | Corona | — | ◇ UNVERIFIED |