| Business | Phone |
| Jax Kneppers Assoc Inc 2125 Ygnacio Valley Rd # 200, Walnut Creek 94598 | (925) 933-3914 |
| Madsen Kneppers & Assoc Inc 1855 Olympic Blvd # 310, Walnut Creek 94596 | (925) 934-3235 |
| Bay Builders Walnut Creek 94596 | (925) 937-8057 |
| H J Schneider Construction 1538 Siskiyou Dr, Walnut Creek 94598 | (925) 947-5474 |
| Owner Builder Consulting Svc 1305 Boulevard Way # 209, Walnut Creek 94595 | (925) 939-9455 |
| Pipeline Construction Svc 916 Placer Ridge Rd, Walnut Creek 94597 | (925) 941-0070 |