| Business | Phone |
| 51 United 51 Murray St, New York 10007 | (212) 962-8888 |
| Advanced Digital Internet 1140 Avenue Of The Americas, New York 10036 | (212) 944-5400 |
| Credit Data Integration Inc 304 Park Ave S # 11, New York 10010 | (212) 753-6386 |
| Davidge Data Systems 20 Exchange Pl # 39, New York 10005 | (212) 269-0901 |
| Bt Infonet 99 Park Ave # 11, New York 10016 | (212) 716-2300 |
| Financial Data Systems 55 Water St, New York 10041 | (212) 344-6615 |
| Global Digital Datacom Svc 53 W 36th St # 904, New York 10018 | (212) 631-0707 |
| Graphic Scanning Corp 29 Broadway, New York 10006 | (212) 747-0332 |
| Hypercom Inc 20 Waterside Plz, New York 10010 | (212) 213-4232 |
| Kinney Data Svc Inc 23 E 26th St, New York 10010 | (212) 689-4969 |
| R B Data Systems Inc 250 W 57th St # 1431, New York 10107 | (212) 757-0080 |
| Shore Group Satellite 460 W 35th St, New York 10001 | (212) 736-2915 |
| Stratacom Inc 330 Madison Ave, New York 10017 | (212) 692-7400 |
| Mci Intl 2 Washington St, New York 10004 | (212) 701-2000 |
| Mohawk Data Sciences Corp 50 Broadway, New York 10004 | (212) 269-2870 |
| P & C Insurance Systems Inc 17 State St # 20, New York 10004 | (212) 425-9200 |
| Paradyne Corp 32 Broadway, New York 10004 | (212) 422-3850 |