| Business | Phone |
| Boomerang Sound & Lighting Co Altoona 16602 | (814) 943-5779 |
| Cruse Audio 2031 14th Ave, Altoona 16601 | (814) 942-3760 |
| Freelance Audio 1801 Logan Ave, Altoona 16602 | (814) 942-7131 |
| Galaxy Sound & Communications 901 10th Ave, Altoona 16601 | (814) 944-4596 |