| Business | Phone |
| Alpha Co 638 Veterans Hwy, Hauppauge 11788 | (631) 265-5955 |
| Mercury Electric Manufacturer Corp 135 Marcus Blvd, Hauppauge 11788 | (631) 231-7744 |
| Dan King Electrical Contr 631 Townline Rd, Hauppauge 11788 | (631) 979-8978 |
| Fulton Electric 873 Townline Rd, Hauppauge 11788 | (631) 382-7322 |
| Kings Electric Parts Co 125 Commerce Dr, Hauppauge 11788 | (631) 435-4545 |