| Business | Phone |
| Five Brothers Audio & Video 43 Graham Ave, Brooklyn 11206 | (718) 782-8585 |
| Altronix Corp 140 58th St # 3w, Brooklyn 11220 | (718) 567-8181 |
| Big Daddy Electronics 260 Flatbush Ave, Brooklyn 11217 | (718) 399-3030 |
| Innercity Components 562 Halsey St, Brooklyn 11233 | (718) 443-2781 |
| Comp International 2414 65th St, Brooklyn 11204 | (718) 339-6922 |
| Sound Around/Pyramid Sound 1640 63rd St, Brooklyn 11204 | (718) 621-0129 |
| Mini-Circuits Lab 13 Neptune Ave, Brooklyn 11235 | (718) 934-4500 |
| Warshaw Electric Co 893 Shepherd Ave, Brooklyn 11208 | (718) 257-2111 |