| Business | Phone |
| Guadalupe Electric Inc Fredericksburg 78624 | (830) 997-0029 |
| Herbert Schmidt Electric 319 E Main St, Fredericksburg 78624 | (830) 997-3633 |
| Hometown Electric 109 Crestwood Dr, Fredericksburg 78624 | (830) 990-9916 |
| Itz Electric 804 E Main St, Fredericksburg 78624 | (830) 997-4535 |
| Allen Herbort Electric 917 Jenschke Kunz Rd, Fredericksburg 78624 | (830) 997-6992 |
| Custom Wiring 101 Olvera Ln, Fredericksburg 78624 | (830) 990-0005 |
| S J & V Electric Inc 506 Kraupahen St, Fredericksburg 78624 | (830) 997-9449 |