| Business | Phone |
| East Bay Hot Spring Spa 2260 Commerce Ave, Concord 94520 | (925) 671-7100 |
| Spa-Land 1800 Arnold Industrial Way, Concord 94520 | (925) 356-5634 |
| Jacuzzi 1776 Arnold Industrial Way # R, Concord 94520 | (925) 280-2100 |
| Spa0land 3885 Highway 29, Concord 94518 | (925) 642-7777 |