| Business | Phone |
| Sacchi School Of Music 1219 12th St W, Billings 59102 | (406) 252-6956 |
| Devitt Music Studios 1138 16th St W # 10, Billings 59102 | (406) 248-1335 |
| Raggle Rock Beads & Music 983 Dixon Cir, Billings 59105 | (406) 252-3803 |
| Rawlinson Voice Studio 695 Indian Trl, Billings 59105 | (406) 256-7974 |