| Business | Phone |
| Sunshine Electric Co 851 S Highway 205, Rockwall 75032 | (214) 356-1413 |
| A-1 Electrical Svc 304 Laurence Dr, Rockwall 75032 | (972) 524-9473 |
| Alpha Star Electric Inc 2029 Sunny Cir, Rockwall 75032 | (972) 772-0002 |
| Barney's Electric 998 Holli Ln, Rockwall 75087 | (972) 771-9464 |
| Boyd Electric 501 Camp Creek Rd, Rockwall 75087 | (972) 771-2996 |
| Boykin & Assoc 1112 Smirl Dr, Rockwall 75032 | (972) 772-4222 |
| C & F Electrical 7561 S Fm 549, Rockwall 75032 | (972) 771-1131 |
| Combs Electrical Contractors 1093 Prince Ln, Rockwall 75087 | (972) 771-8133 |
| Cullen Electric 445 Perch Rd, Rockwall 75032 | (972) 772-1977 |
| Design Electric 801 Laurence Dr, Rockwall 75032 | (972) 771-3236 |
| Ksvac-Electric Heating 2441 Wagonwheel Dr, Rockwall 75032 | (972) 722-4781 |
| Madden Electric 150 Anna Cade Rd, Rockwall 75087 | (972) 771-8121 |
| Mec Inc 2026 Midlake Ln, Rockwall 75032 | (972) 772-0375 |
| Wilcoxson Electric Svc 301 Stonecrest Dr, Rockwall 75087 | (972) 771-5364 |
| Rich Electrical Contracting 853 Equestrian Dr, Rockwall 75032 | (972) 772-8800 |
| Rowlett Electric 2013 Sun Dr, Rockwall 75032 | (972) 475-5100 |