| Business | Phone |
| California National Trading 28302 Industrial Blvd # G, Hayward 94545 | (510) 782-9936 |
| E J Gallo Winery 30825 Wiegman Rd, Hayward 94544 | (510) 476-5000 |
| Lin Chen Inc 20175 Mack St, Hayward 94545 | (510) 887-7165 |
| Bella Sera Winery 30825 Wiegman Rd, Hayward 94544 | (510) 476-5280 |
| Signature Wine Cellars 2536 Barrington Ct, Hayward 94545 | (510) 259-6555 |