| Business | Phone |
| Z University 660 Steamboat Rd, Greenwich 6830 | (203) 422-2294 |
| Wall St Research Net 5 Glen Ct, Greenwich 6830 | (203) 869-9776 |
| Third Millenium Solution 47 Burying Hill Rd, Greenwich 6831 | (203) 863-0000 |
| Express Line 8 Grigg St # 6, Greenwich 6830 | (203) 869-7330 |
| New Age Computer Graphics 5 Glen St, Greenwich 6830 | (203) 629-2327 |
| Greenwich Technology Partners 2 Pickwick Plz, Greenwich 6830 | (203) 629-8125 |
| Manticore Partners 340 Pemberwick Rd, Greenwich 6831 | (203) 618-1826 |