A.T. Kearney
Accel Networks
American Express
Argus Info. & Advisory
Arthur Blank & Co.
Asset Mgmt. Outsourcing
BAI
Banco Popular
Banco Santander
Bank of America
Bell ID
BOC Credit Card Int'l
BP Oil
BRD - Groupe Soc. Generale
Capital One
CashEdge
Citigroup
ClairMail
Client Services
Collis
Convergent Resources
CPI Card Group
Cypress Software
Deutsche Bank
Discover Card
DnB Nor Kort
Edgar Dunn & Company
Egg Bank
Elavon
Empiria Group
EuroCommerce
Experian
Fed. Res. Bank/Philadelphia
Fidelis Recovery Solutions
Fidelity Nat'l Info Services
Fifth Third Bank
First Atlantic Commerce
First Data
First Source
FleetCor
GC Services
GE Money
Gemalto
GlobalPlatform
HSBC
Huntington National Bank
I.C. System
ICICI Bank
Infonox
Ingenico
InstaMed
Integri
JPMorgan Chase
Linudix
LMB
Luottokunta

Marcus Evans
Market Platform Dynamics
Masary
MasterCard
Microsoft
Monetech
Mpayy
MRS Associates
National Bank of Canada
NCI
NCO Group
Netgiro
Nordea Bank
NovoPayment
NRF
Nyce
Oberthur Technologies
On Track Innovations
Paragon
Paybox
PayEase
Payvision
Protiviti
Pulse EFT
Radius Travel
Renesas Technology
SafeNet
Sitel
Six Multipay
SmartSoft IT
SMi Group
Sony Corporation"
Sovereign Bank
Sunrise Credit Services
SunTrust
TCM Bank
The Cambridge Group
TransUnion
Trustwave
TSYS Acquiring
U.S. Bank
USAA Federal
Van Ru Credit Corp.
Vengroff, Williams
Venyon
VeriFone
Versatile Card Technology
Visa
ViVOtech
Wachovia
Wausau Financial Systems
Weltman, Weinberg & Reis
West Asset Management
Westpac