| Business | Phone |
| Audiolink 545 Daniel Webster Hwy, Manchester 3104 | (603) 644-3755 |
| Unique Installs Unlimited 227 Willow St, Manchester 3103 | (603) 486-6060 |
| Sound Creations 100 Willow St, Manchester 3103 | (603) 666-0061 |
| Sound Service Of New Hampshire 516 Elm St, Manchester 3101 | (603) 668-4979 |