Aconite
Acxiom
Advanta
AirPlus International
American Banknote
American Express
Amex Incentive Services
Bank Alfalah
Bank Leumi
Bank of America
Barclaycard
Barnes International
BB&T
Bell ID
Capital One
Card Services for CU
Cassis International
Charge Anywhere
Chase Paymentech
Citigroup
ClairMail
Clarion Events
Columbus Bank & Trust
Comdata
Comerica
Compass Bank
DataCash
Deutsche Bank
Diners Club
Discover
ECHO
Edgar, Dunn & Company
eFunds
Elan Financial Services
Elavon
Ericsson
Everlink Payment Serv.
ExaDigm
Experian
Fair Isaac
Fidelity Express
Fidelity Nat'l Info Serv.
Fifth Third
First Data
First Horizon
First Nat'l Bank of Omaha
Fiserv
GE Money
GlobalCollect
HSBC Finance
ICICI Bank
Idology
inComm
Infonox
Innova Card
IP Commerce
IQPC
JPMorgan Chase
KeyBank

KICTeam
Lufthansa Airlines
M&I Bank
Magenta Global
MasterCard
mBlox
Mellon Group
Memento Security
Merrill Lynch
Meta Payment Systems
Metavante
mFoundry
Moneris
MoneyGram
Monitise Group
National City Bank
Neteller
Newcastle Building Society
NYCE
Oberthur Technologies
PayPal
Payter
Pelorus Group
Phoenix Check Cashing
PNC Bank
Postbank
Praxell
Prepaid Press Expo
PSCU Financial Services
RBS Citizens
Real People
Regions Bank
Sagem Orga
Samsung
Scotiabank
Sony
Spectra Technologies
Star
Strategies Telecoms
SunTrust
Swift Prepaid Solutions
Sybase 365
TeleCheck
The Bancorp Bank
The Merchants Guide
TransUnion
Trustwave
TSYS
U.S. Bank
United Bank Card
VeriSign
Visa
Wachovia
Washington Mutual
Way Systems
Wells Fargo
Western Union
Wright Express