| Business | Phone |
| Noesis 2 Wakefield Ave # A, Port Washington 11050 | (516) 944-7873 |
| De Luca Computers 7 Hilltop Rd, Port Washington 11050 | (516) 944-6129 |
| Port Data Resources Inc 105 Soundview Dr, Port Washington 11050 | (516) 883-3282 |
| Glm Systems Inc 95 Reid Ave, Port Washington 11050 | (516) 767-0434 |
| Task Information Systems Inc 25 Wakefield Ave, Port Washington 11050 | (516) 767-8275 |