| Business | Phone |
| Gattis Electric 2501 Kiphen Rd, Round Rock 78664 | (512) 244-0805 |
| Installations Unlimited 3404 Perch Trl, Round Rock 78664 | (512) 828-0452 |
| Adventure Electric 1400 Chisholm Trail Rd E, Round Rock 78681 | (512) 388-5630 |
| Schmidt Electric Co 2400 Round Rock Ave, Round Rock 78681 | (512) 716-1324 |
| Ats Electrical Contractors 1111 N Ih 35, Round Rock 78664 | (512) 255-7637 |