41st Parameter
Absa
Accel Exchange
Accertify
Ace Cash Express
Al Rajhi Bank
Alliance Data
ALP Jamol Bank
Altair Financial
American Express
ANZ Bank
Apple
Arab National Bank
Army & Air Force Exchange
Austin Logistics
Axis Bank
Bank Hapoalim
Bank Leumi
Bank of America
Berkeley Payment Solutions
BC Banking Technologies
Capital One
Carlson Wagonlit Travel
Cardinal Commerce
CashLinq
Cato
Charming Shoppes
CheckFree PaymentView
Citigroup
Comdata
DBS Bank
Dell
Diners Club
Elavon
Electronic Check Alliance
Electronic Clearinghouse
Electronics Today
Empiria Group
ePayments
European Card Issuing
ExaDigm
Fargo Electronics
First Data
First Nat'l Bank/South Africa
GE Money
Gemalto
Giesecke & Devrient
Global Payments
Greenings International
HSBC
Hypercom
InComm
Innova Card
Inside Contactless
Int'l Payment Solutions
Iovation

iPayables
Israel Credit Card / Cal
ITOS
JCB International
JPMorgan Chase
Kuwait Finance House
Lane Bryant
MasterCard
Matica System
Mercury Payment Systems
Moneris Solutions
mPower Labs
Multicard
MyECheck
National Bank of Kuwait
Nedbank
NetSend
Network International
Newcastle Building Society
Nokia
Nordstrom
NXGEN
NXP
PayByCash
PIC Solutions
Prime Factors
Purchasing Card Consultancy
Purepay
QVC
Qwasi
Riyad Bank
SABB
Samsung
Scotiabank
Smart Card Alliance
Solveras Payment Systems
Sony
Standard Bank/South Africa
Sterling Jewelers
Strategies Telecoms
SunTrust
Target
TeleCash
Terrapinn
TietoEnator
TransFirst
Trustwave
VeriFone
Visa
Washington Mutual
Watchdata
Way Systems
Wells Fargo
Western Payments Alliance
Yalamanchili International