| Business | Phone |
| Antioch Piano Svc 1647 Willow Pass Rd # 423, Concord 94520 | (925) 753-1906 |
| Kendall Ross Bean Concord 94520 | (925) 676-3355 |
| Skylark Piano Svc 1867 Karas Ct, Concord 94521 | (925) 288-0412 |
| Tim Toutjian Piano Tuner Tech Concord 94520 | (925) 687-0238 |