 Biolog, INC. | Hayward | 20–99 | ● ACTIVE |
 Affimedix, INC. | Hayward | — | ● ACTIVE |
| BHBaxter Healthcare INC | Hayward | 100–499 | ● ACTIVE |
 Visolis, INC | Hayward | — | ● ACTIVE |
| RARohm and Haas - Hayward Plant | Hayward | — | ◇ UNVERIFIED |
| ALAllure Labs, INC. | Hayward | 100–499 | ◐ LIKELY ACTIVE |
| ABArcus Biosciences | Hayward | — | ◇ UNVERIFIED |
| CNC3 Nano INC | Hayward | — | ◇ UNVERIFIED |
| EPEngineered Polymer Solutions INC. D/b/a Valspar Coatings | Hayward | — | ◇ UNVERIFIED |
| HIHalio, INC. | Hayward | — | ◇ UNVERIFIED |
| ILImpax Laboratories INC | Hayward | — | ◇ UNVERIFIED |
| IPImpax Pharmaceuticals Bldg 2 | Hayward | — | ◇ UNVERIFIED |
| RCRoyal Chemical Company C/o Univar Solutions | Hayward | — | ◇ UNVERIFIED |
| ETEKC Technology - Hayward Barrington | Hayward | 20–99 | ◐ LIKELY ACTIVE |
| RTRJR Technologies California | Hayward | 20–99 | ◐ LIKELY ACTIVE |
| RCRoyal Chemical - Hayward | Hayward | 20–99 | ◐ LIKELY ACTIVE |
| TDThe Dow Chemical Company Hayward Site | Hayward | 20–99 | ◐ LIKELY ACTIVE |
| TITruepill, Inc. | Hayward | 500+ | ◐ LIKELY ACTIVE |
| APAcelrx Pharmaceuticals INC | Hayward | — | ◇ UNVERIFIED |
| ACAdvanced Chemblocks INC | Hayward | — | ◇ UNVERIFIED |
| ABAim Biosciences INC | Hayward | — | ◇ UNVERIFIED |
| ACAll Clean | Hayward | — | ◇ UNVERIFIED |
 Applied Biosystems, LLC | Hayward | — | ◇ UNVERIFIED |
| ABArsenal Biosciences, Inc.- Hayward Main | Hayward | — | ◇ UNVERIFIED |
| ACAxis Construction | Hayward | — | ◇ UNVERIFIED |
| BUBaxalta US INC | Hayward | — | ◇ UNVERIFIED |
| BIBaxter International INC | Hayward | — | ◇ UNVERIFIED |
| BPBayside Pharma INC | Hayward | — | ◇ UNVERIFIED |
| BSBioassay Systems LLC | Hayward | — | ◇ UNVERIFIED |
| BBionovo | Hayward | — | ◇ UNVERIFIED |
| BIBmr-bridgeview Ii LP | Hayward | — | ◇ UNVERIFIED |
| BLBmr-bridgeview LP | Hayward | — | ◇ UNVERIFIED |
| BBBmr - Bridgeview Technology Pa | Hayward | — | ◇ UNVERIFIED |
| BTBolt Threads, INC | Hayward | — | ◇ UNVERIFIED |
| CGCell Genesys Clinical Mfg | Hayward | — | ◇ UNVERIFIED |
| CPCommercial Pattern, INC | Hayward | — | ◇ UNVERIFIED |
| CCCorefact CORP Dra Digital Printing | Hayward | — | ◇ UNVERIFIED |
| ETEikon Therapeutics INC. | Hayward | — | ◇ UNVERIFIED |
| ETEkc Technology Dupont Electronic and Imaging | Hayward | — | ◇ UNVERIFIED |
| EIEncyclogen INC | Hayward | — | ◇ UNVERIFIED |
| GAGcp Applied Technologies @ Lowry's INC. | Hayward | — | ◇ UNVERIFIED |
| GPGenstar Portfolio LLC C/o Tarlton Properties INC | Hayward | — | ◇ UNVERIFIED |
| GGenturadx | Hayward | — | ◇ UNVERIFIED |
| HPHayward Point Eden Business Center | Hayward | — | ◇ UNVERIFIED |
| HCHenkel Corporation | Hayward | — | ◇ UNVERIFIED |
| ILImpax Laboratories, Bldg 10 | Hayward | — | ◇ UNVERIFIED |
| ILImpax Laboratories INC | Hayward | — | ◇ UNVERIFIED |
| ILImpax Laboratories INC Bldg 1 | Hayward | — | ◇ UNVERIFIED |
| ILImpax Laboratories INC Bldg 16 | Hayward | — | ◇ UNVERIFIED |
| ITIntarcia Therapeutics | Hayward | — | ◇ UNVERIFIED |
