| Business | Phone |
| Barbey Electronics 333 N 4th St, Reading 19601 | (610) 376-7451 |
| Colonial Electric Supply 844 Nicolls St, Reading 19604 | (610) 374-2134 |
| Exide Technologies 3000 Montrose Ave, Reading 19605 | (610) 921-4400 |
| Fargo Assembly 601 Hiesters Ln, Reading 19605 | (610) 921-8838 |
| Fromm Electric Supply Corp 2101 Centre Ave, Reading 19605 | (610) 374-4441 |
| Silicon Cert Ltd 4201 Pottsville Pike, Reading 19605 | (610) 939-9500 |
| Wesco Distributing Inc 811 William Ln, Reading 19604 | (610) 921-1390 |