| Business | Phone |
| Aqua Clean Pool & Spa Concord 94519 | (925) 586-7946 |
| Arnold Pool-Spa Svc & Repair 1501 Wicket Ct, Concord 94518 | (925) 825-2575 |
| Best Pool Svc Concord 94521 | (925) 798-0942 |
| Michaelis Services 4285 Wilson Ln, Concord 94521 | (925) 687-0796 |
| Poolsmith Concord 94520 | (925) 674-1975 |
| Ron's Pool Svc Concord 94520 | (925) 827-0333 |
| Schaezler Pool & Spa 990 Treg Ln, Concord 94518 | (925) 680-5132 |
| Sparkling Pools Svc 1187 Krona Ln, Concord 94521 | (925) 672-4985 |
| Sub Aqua Enterprises Concord 94520 | (925) 686-1838 |