| Business | Phone |
| Adi Electric Inc 2 Waterfall Ln, Cos Cob 6807 | (203) 622-9066 |
| Vivian Electric Inc 60 Valley Rd, Cos Cob 6807 | (203) 661-9222 |
| Chiappetta Electric 11 Mead Ave, Cos Cob 6807 | (203) 629-9736 |
| R M Harris Electrical Co 105 River Rd, Cos Cob 6807 | (203) 661-1887 |
| Electrical Associates 24 Licata Ter, Cos Cob 6807 | (203) 661-0740 |
| G & S Electrical Contractor 215 River Road Ext, Cos Cob 6807 | (203) 661-7316 |
| Mancuso Electric Inc 20 Robertson Ln, Cos Cob 6807 | (203) 629-2232 |