 Mettler-toledo Rainin, LLC | Oakland | 500+ | ● ACTIVE |
 Arris Composites, INC. | Berkeley | — | ● ACTIVE |
| CMC.h.k. Manufacturing, INC. | Oakland | — | ● ACTIVE |
| EPEmerald Packaging INC | Union City | 100–499 | ● ACTIVE |
 Tournesol Siteworks LLC | Union City | — | ● ACTIVE |
| WPWestec Plastics CORP. | Livermore | 20–99 | ● ACTIVE |
 Auscree INC | Hayward | — | ● ACTIVE |
| JJJ & J Paper & Packaging, INC. | Hayward | — | ● ACTIVE |
 Novas Bio INC | Hayward | — | ● ACTIVE |
 Delphon Industries, LLC | Hayward | — | ◐ LIKELY ACTIVE |
| MTMembrane Technology & Research INC | Newark | 20–99 | ◐ LIKELY ACTIVE |
| CCCommex Corporation | Hayward | — | ◇ UNVERIFIED |
| APAmerican Poly-foam Co., INC. | Hayward | 20–99 | ◐ LIKELY ACTIVE |
| EOElectro-coatings of California, INC. | Berkeley | — | ◐ LIKELY ACTIVE |
| UPUni Poly INC | San Leandro | 1–19 | ◐ LIKELY ACTIVE |
| VMViant Medical | Fremont | 20–99 | ◐ LIKELY ACTIVE |
| PIPlastikon Industries | Hayward | — | ◐ LIKELY ACTIVE |
| BPBay Polymer CORP | Fremont | — | ◇ UNVERIFIED |
| DPDelta Pacific Products | Union City | — | ◇ UNVERIFIED |
| GPGolden Plastics CORP | Oakland | — | ◇ UNVERIFIED |
| HPHenry Plastic Molding | Fremont | — | ◇ UNVERIFIED |
| KPKnightsbridge Plastics INC | Fremont | — | ◇ UNVERIFIED |
| PCPacific Coast Chemicals Company | Berkeley | — | ◇ UNVERIFIED |
| SPSonoco Protective Solutions INC | Hayward | — | ◇ UNVERIFIED |
| SISpacesonic INC | Union City | — | ◇ UNVERIFIED |
| SLSway Lab Facility - Gate510 - San Leandro | San Leandro | — | ◇ UNVERIFIED |
| APAllstate Plastic, LLC | Hayward | 20–99 | ◐ LIKELY ACTIVE |
| DYDelta Yemin Technologies inc DBA WestFall Technik LLC | Union City | 100–499 | ◐ LIKELY ACTIVE |
| L1Location 1 / UC | Union City | 20–99 | ◐ LIKELY ACTIVE |
| MPMetro Poly Corp. | San Leandro | 20–99 | ◐ LIKELY ACTIVE |
| TPTap Plastics, INC. | San Leandro | — | ◐ LIKELY ACTIVE |
| UMUnitro Mfg. Inc. | San Leandro | 20–99 | ◐ LIKELY ACTIVE |
| AFAllied Fluid Products CORP. | Oakland | — | ◐ LIKELY ACTIVE |
| FDFoam Distributors | Hayward | — | ◇ UNVERIFIED |
| AMAgribag Manufacturing, INC. | Oakland | — | ◇ UNVERIFIED |
| ABAgricultural Bag Mfg INC | Oakland | — | ◇ UNVERIFIED |
| BPBell Plastics | Hayward | — | ◇ UNVERIFIED |
| BCBemis Company INC | Union City | — | ◇ UNVERIFIED |
| BFBemis Flexible Packaging-milpr | Newark | — | ◇ UNVERIFIED |
| BOBig O Tire | Hayward | — | ◇ UNVERIFIED |
| BPB & P Cultured Marble INC | Oakland | — | ◇ UNVERIFIED |
| BTBruce's Tire INC | Oakland | — | ◇ UNVERIFIED |
| COCity of Oakland , Envr Scvs Di | Oakland | — | ◇ UNVERIFIED |
| CPCommercial Pattern, INC | Hayward | — | ◇ UNVERIFIED |
| DJD & J International, INC. | Hayward | — | ◇ UNVERIFIED |
| DCDow Corning Corporation | Newark | — | ◇ UNVERIFIED |
| EBEagle Bag CORP. | Oakland | — | ◇ UNVERIFIED |
| FIFoamex Innovations Operating CO | San Leandro | — | ◇ UNVERIFIED |
| FIFoamex International | Hayward | — | ◇ UNVERIFIED |
| FLFoamex, L P | San Leandro | — | ◇ UNVERIFIED |
