| Business | Phone |
| Ajd Electric Corp 220 Route 6, Mahopac 10541 | (845) 621-8670 |
| Alpine Electric 111 Watermelon Hill Rd, Mahopac 10541 | (845) 628-1334 |
| Atlantic Electric Po Box 59, Mahopac 10541 | (845) 621-7694 |
| Cobra Electric Angela Dr, Mahopac 10541 | (845) 628-4155 |
| D Owens Electric Inc 925 Route 6, Mahopac 10541 | (845) 628-1208 |
| Ferretti Electric Inc 65 Secor Rd, Mahopac 10541 | (845) 621-0169 |
| John Kroell Jr 22 Brookdale Rd, Mahopac 10541 | (845) 628-3654 |
| Light Electric 4 Miller Rd, Mahopac 10541 | (845) 621-2721 |
| Mahopac Electric 32 Watermelon Hill Rd, Mahopac 10541 | (845) 628-2787 |
| Ray Of Light Electric Inc 35 Hilltop Dr, Mahopac 10541 | (845) 628-1050 |