| Business | Phone |
| Audio Video Doctor 10403 Park Rd # C, Charlotte 28210 | (704) 541-8552 |
| Battery Research & Testing Inc 714 Montana Dr, Charlotte 28216 | (704) 398-1107 |
| Update Inc 2801 N Tryon St, Charlotte 28206 | (704) 333-6342 |
| R L Electronics Inc 1900 Central Ave, Charlotte 28205 | (704) 344-9117 |
| City Sound 407 Westham Ridge Rd, Charlotte 28217 | (704) 527-8926 |
| Delta Electronics 1151 Commercial Ave, Charlotte 28205 | (704) 333-5121 |