| Business | Phone |
| Activation Inc 153 W Valley Ave, Birmingham 35209 | (205) 942-1753 |
| Asco Switch Birmingham 35243 | (205) 970-6620 |
| East Birmingham Bronze Foundry 73 Mt Laurel Ave, Birmingham 35242 | (205) 595-0584 |
| Cooper Power Systems Inc 4516 Valleydale Rd, Birmingham 35242 | (205) 991-2553 |
| Hannah Electric Mfg Co 3226 Cahaba Heights Rd, Birmingham 35243 | (205) 970-0153 |
| Harry C Johnson Co 2400 4th Ave S, Birmingham 35233 | (205) 956-1456 |