| Business | Phone |
| Kirlin Industries Inc 1477 E Cedar St, Ontario 91761 | (909) 923-2249 |
| Pearl River Piano Group 2260 S Haven Ave # F, Ontario 91761 | (909) 673-9155 |
| Switchmusic.Com Inc 1900 Proforma Ave, Ontario 91761 | (909) 947-8618 |
| Zenith Musical Instruments 1855 S Lake Pl, Ontario 91761 | (909) 923-2017 |