| Business | Phone |
| Consulting Group 5 Camelot Ln, East Setauket 11733 | (631) 689-0171 |
| It Resource Soultions 12 Technology Dr # 2, East Setauket 11733 | (631) 941-2622 |
| Robert Greenberg Consulting 3 Technology Dr, East Setauket 11733 | (631) 689-1151 |
| Tdm Consulting Engineer 4 James Monroe Ln, East Setauket 11733 | (631) 444-0078 |