| Business | Phone |
| Arelco Electrical Contracting 66 Deer Path Rd, Central Islip 11722 | (631) 234-1748 |
| Call Me Electric Inc 77 Windsor Pl # 15, Central Islip 11722 | (631) 232-0428 |
| Circuit Electric 46 Peach St, Central Islip 11722 | (631) 234-5131 |
| Fulton Electric Inc 61 Windsor Pl, Central Islip 11722 | (631) 234-5940 |
| John M Hogan 285 Saint Johns St, Central Islip 11722 | (631) 234-6990 |
| Salantri Electrical Contract 53 Windsor Pl, Central Islip 11722 | (631) 232-3435 |