| Business | Phone |
| Carlson Power Electronics 10034 Plum Rd, Erie 16510 | (814) 739-9452 |
| Sunburst Electronics Inc 420 E Bayfront Pkwy, Erie 16507 | (814) 461-9120 |
| Techsource Engineering Inc 2047 W 12th St, Erie 16505 | (814) 459-2150 |
| X2y Attenuators Llc 2730 W 21st St # B, Erie 16506 | (814) 835-8180 |