| Business | Phone |
| Alliance Of Contra Costa Tax Walnut Creek 94596 | (925) 930-2825 |
| Health Plus Shared Svc 877 Ygnacio Valley Rd # 210, Walnut Creek 94596 | (925) 746-2400 |
| Walnut Creek Downtown Business 1615 Bonanza St # 213, Walnut Creek 94596 | (925) 933-6778 |