| Business | Phone |
| Wiremen Inc 138 Manhan St, Waterbury 6710 | (203) 753-5484 |
| Al Tramuta Electric 796 Washington Ave, Waterbury 6708 | (203) 757-7920 |
| Artman's Electrical Svc Llc Waterbury 6708 | (203) 759-5961 |
| Astro Electric Inc 680 Riverside St, Waterbury 6708 | (203) 755-0741 |
| Veeco Inc 217 Interstate Ln, Waterbury 6705 | (203) 575-0202 |
| B Kane Electric Co Inc 496 Meriden Rd, Waterbury 6705 | (203) 753-6644 |
| Tri-City Electric Svc Inc 53 Interstate Ln, Waterbury 6705 | (203) 753-5029 |
| Star Electric Co 35 Wyman St, Waterbury 6710 | (203) 755-7625 |
| Stolfi Electric Co Inc 294 Moran St, Waterbury 6704 | (203) 753-7810 |
| C & H Electric Inc 1999 S Main St, Waterbury 6706 | (203) 865-2055 |
| Stango Electric Co 70 Kendall Cir, Waterbury 6708 | (203) 756-9356 |
| Santos's Electric 50 Middle St, Waterbury 6706 | (203) 756-2086 |
| Collins Electric 162 Beth Ln, Waterbury 6705 | (203) 756-2860 |
| Rush Electrical Svc Waterbury 6708 | (203) 756-4389 |
| Delta-Wye Electric Constr Co 16 Fiske St, Waterbury 6710 | (203) 753-8790 |
| Power All Electric 12 Mount Vernon Ave, Waterbury 6708 | (203) 591-8534 |
| Dube Electric Co 63 Lydia St, Waterbury 6705 | (203) 574-2588 |
| Outboard Electric 567 S Leonard St, Waterbury 6708 | (203) 754-7031 |
| Garofalo Electric Co 35 Bennett Ave, Waterbury 6708 | (203) 753-7699 |
| Miele Electric Llc 137 Bunker Hill Ave, Waterbury 6708 | (203) 757-7429 |
| J & T Electrical Contractors 329 Scott Rd, Waterbury 6705 | (203) 575-1826 |
| Ja-Ma Wellington Electrical 17 Dunbar St, Waterbury 6705 | (203) 757-9825 |
| Leon J Farr Inc 11 E Aurora St, Waterbury 6708 | (203) 757-8333 |