Ameritech
AT&T
Bell Atlantic
BellSouth
British Telecom
Cable & Wireless
Comsat
ELI
France Telecom
GTE
ICG Satellite Services
MCI
MFN
NTT
Northern Kentucky Telecommunications Authority
Ohio Telecommunications Network Council
SBC
SNET
Sprint
TCG
US West

Bank of Tokyo
Computer Sciences Corp.
Canadian Government
Chase Manhattan Bank
Chattanooga Metropolitan Airport Authority
Chris Craft Industries
CitiBank
Goldman Sachs
Kolberg Kravis & Roberts
Lockheed Sanders
Morgan Guaranty
Nabisco
Prudential Insurance
Prudential Securities
Stop 'N Shop Corp.
St. Alexius Hospital
Union Camp Corp.
Virginian - Pilot
Visa International

Datum Corp.
Fujitsu
Hitachi
IBM
Lucent Technologies
Mitel
NCR
NEC
Norstan
Nortel
Octel Comminations
Panasonic
Siemens
Source