| Business | Phone |
| Bobco Air Conditioning Corp 5 Stacy Ct, Port Jefferson 11777 | (631) 928-6350 |
| Bright Side Electrical Svc Inc 17 Baylis Ave, Port Jefferson 11777 | (631) 331-0728 |
| Novellino Enterprises Inc 119 Cliff Rd, Port Jefferson 11777 | (631) 874-5046 |
| Future Electric 3 Park Ave, Port Jefferson 11777 | (631) 928-6341 |
| Home Electric Port Jefferson 11777 | (631) 331-1131 |
| Pob Electric Inc 52 Crooked Oak Rd, Port Jefferson 11777 | (631) 331-3388 |
| T Connolly Electric Port Jefferson 11777 | (631) 476-5816 |