| Business | Phone |
| Mack Electric 2 Naro Ln, Northport 11768 | (631) 242-2638 |
| Budget Electrics Co 8 Deauville Ct, Northport 11768 | (631) 368-8902 |
| Cooney Electric 33 Crestfield Pl, Northport 11768 | (631) 261-3679 |
| Cross Electrical Inc 385 Fort Salonga Rd, Northport 11768 | (631) 261-0697 |
| Progressive Electrical 490 Main St, Northport 11768 | (631) 261-0549 |
| Progressive Electrical Contr 6 British Colony Rd, Northport 11768 | (631) 269-0778 |
| R Thury & Son Inc 40 Milland Dr, Northport 11768 | (631) 754-0491 |