| Business | Phone |
| William Canavan 28 W Neck Rd, Huntington 11743 | (631) 424-0926 |
| Capano & Parker Engineers 20 High St, Huntington 11743 | (631) 421-0439 |
| Dysef Inc 4 Mayo Ave, Huntington 11743 | (631) 549-5566 |
| Essex Systems 36 Flower Hill Rd, Huntington 11743 | (631) 423-0806 |
| Jen-Mark Assoc Inc 22 Oakwood Rd # 4, Huntington 11743 | (631) 549-5175 |
| Jordan I Ruzz Pe 424 New York Ave, Huntington 11743 | (631) 423-4944 |