| ASArclin Surfaces | Hayward | Paper Manufacturing | 322220 | 20–99 | ◐ LIKELY ACTIVE |
Louisiana-pacific Corporation-hayward | Hayward | Wood Product Manufacturing | 321210 | 100–499 | ◐ LIKELY ACTIVE |
| HRHayward Ready-mix Concrete LLC Div of Todd''s Redi | Hayward | Nonmetallic Mineral Product Manufacturing | 327320 | — | ◇ UNVERIFIED |
| JTJohnson Timber Corporation | Hayward | Wood Product Manufacturing | 321110 | — | ◇ UNVERIFIED |
| LOLignetics of Great Lakes LLC | Hayward | Wood Product Manufacturing | 321999 | — | ◇ UNVERIFIED |
| ASAngry Spirits Distilling LLC | Hayward | Beverage and Tobacco Product Manufacturing | 312140 | — | ◐ LIKELY ACTIVE |
| LGLignetics Great Lakes | Hayward | Wood Product Manufacturing | 321999 | 20–99 | ◐ LIKELY ACTIVE |
| OOOut Of The Woods Winery | Hayward | Beverage and Tobacco Product Manufacturing | 312130 | — | ◐ LIKELY ACTIVE |
| TFTamarack Farms Winery | Hayward | Beverage and Tobacco Product Manufacturing | 312130 | — | ◐ LIKELY ACTIVE |
| WRWhiskey Ridge | Radisson | Food Manufacturing | 311611 | — | ◐ LIKELY ACTIVE |
| CMCaken' Me Crazy, LLC | Hayward | Food Manufacturing | 311811 | — | ◇ UNVERIFIED |
| CMCaken' Me Crazy, LLC | Hayward | Food Manufacturing | 311811 | — | ◇ UNVERIFIED |
| CMCrescents Meats and Catering, LLC | Hayward | Food Manufacturing | 311612 | — | ◇ UNVERIFIED |
| FRFiberglass Reinforced Products, INC. | Exeland | Nonmetallic Mineral Product Manufacturing | 327212 | — | ◇ UNVERIFIED |
| HLHayward Lakes Winery, LLC | Hayward | — | — | — | ◇ UNVERIFIED |
| HBHidden Bay Graphics | Hayward | Printing and Related Support Activities | 323113 | — | ◇ UNVERIFIED |
| HBHinton Bay Enterprises, INC. | Hayward | Apparel Manufacturing | 315280 | — | ◇ UNVERIFIED |
| JTJohnson Timber Corporation | Hayward | Machinery Manufacturing | 333210 | — | ◇ UNVERIFIED |
| SLScooterbugs LLC | Hayward | Textile Product Mills | 314999 | — | ◇ UNVERIFIED |
| SLScooterbugs LLC | Hayward | Machinery Manufacturing | 333999 | — | ◇ UNVERIFIED |