| Business | Phone |
| Ruhnke Piano & Organ Co 3130 State Highway 32 # 10, Chico 95973 | (530) 891-4886 |
| Ruhnke Piano Co 3130 State Highway 32 # 10, Chico 95973 | (530) 893-4636 |
| Keys Of Covenant Piano Studio 1279 Dale Way, Chico 95926 | (530) 896-1750 |
| Ruhnke Piano Co 3130 State Highway 32 # 10, Chico 95973 | (530) 891-4886 |