| Business | Phone |
| Atlas Electrical Contracting 203 Saint Andrews Ct, Mcdonough 30253 | (770) 914-1244 |
| Brown Electric Contracting 6018 Ridgemont Way, Mcdonough 30253 | (770) 914-8053 |
| C-D-C Electric Co 176 Crossings Dr, Mcdonough 30253 | (770) 898-3008 |
| A B Davis Electric Inc Po Box 95, Mcdonough 30253 | (770) 486-8882 |
| Dillard's Electrical Svc 3003 Brush Arbor Xing, Mcdonough 30252 | (678) 432-1770 |
| Hardin Electric Co 825 Monticello Ln, Mcdonough 30253 | (770) 898-1786 |
| Henry County Electric Co 4660 Peeksville Rd, Mcdonough 30252 | (770) 914-9442 |
| Lewis Electrical Contracting 1032 Campground Rd, Mcdonough 30252 | (770) 957-6930 |
| P & P Electric Inc 340 W Knight Rd, Mcdonough 30252 | (770) 957-9811 |
| Penco Electrical Contractors 257 N Ola Rd, Mcdonough 30252 | (770) 914-0225 |
| Sanders Electric 904 Field View Dr, Mcdonough 30253 | (770) 898-4890 |
| Skelton Electric Inc 62 Honey Ln, Mcdonough 30252 | (678) 432-2255 |
| Smith Electric Contracting Co 447 Harper Rd, Mcdonough 30252 | (770) 957-9910 |
| Southpointe Electric Inc 200 Pleasant Valley Rd, Mcdonough 30253 | (770) 957-4418 |
| Stroud Electric 169 Keys Ferry St, Mcdonough 30253 | (770) 957-1763 |
| T & G Electric 679 Oak Grove Rd, Mcdonough 30253 | (770) 898-5255 |
| Wallace Electric Co 117 Park West Dr, Mcdonough 30253 | (678) 432-7210 |