| Business | Phone |
| Sentry Electric & Controls 5901 Roberta Rd, Harrisburg 28075 | (704) 455-5538 |
| Quesenberry Electric Inc 4430 Highway 49 S, Harrisburg 28075 | (704) 455-6822 |
| National Electrical 9467 Hester Ct, Harrisburg 28075 | (704) 455-4895 |
| Genesis Electrical Svc Inc 12036 University City Blvd, Harrisburg 28075 | (704) 455-8530 |
| Genuine Electric Inc 7800 Robinson Church Rd, Harrisburg 28075 | (704) 455-2433 |
| H & P Electric Co Po Box 1387, Harrisburg 28075 | (704) 455-5405 |