ACG Identification Technologies
ACI Worldwide
Acies Corp.
Aequitas Capital Management
AirPlus
Alpine Bank
Altour Incentive Management
American Express
Apollo Enterprise Solutions
Arcot Systems
Atos Worldline
Axalto
Bank of America
BankFirst
Best Buy
Bharosa
Blackhawk Network
BlackHawk Products Group
Brookwood Capital
Cadooz
Capital One
CCV-jeronimo
Chase
CheckFreePayLink
China Merchants Bank
Citigroup
Commerciant
ComPsych
Continental Currency
Cross Check
Cubis Financial
CyberNet
Cyclone Software
Cynergy Data
Cyphermint
Da Sistemi
Datacard
DFCU Financial
Dionica
Diners Club
Discover Financial
Dollar General Stores
EDB Business Partner
Elcom
Element Payment Services
eProcessingNetwork
Equity Commerce
EVO Merchant Services
EWI Holdings
Experian
Fidelity Express
First Data Resources
First Investment Bank
First Premier Bank
GE Money
Giesecke & Devrient
Global eTelecom
Global Express
Green Dot
HSBC

Hypercom
i2c
Ingenico
Intellect
Intelligent Environment
Intercede
IP Commerce
JCB
KeyBank
Keycorp
Landesbank Berlin
Lansforsakringar Bank
Link
Lipman
Loyalty Partner Holding
MasterCard
Mauritius Commercial Bank
Merchants Information Solutions
Moneris Solutions
MoneyGram Int'l
National Processing
NCR
Nova Information Systems
NSTN
Ogone
Palamon Capital Partners
Payex
Paymentech
Plastic Jungle
PointPay Int'l
Pulse
Quatrro Risk Management
Quova
RapidAdvance
RBS National Bank
RDM Corp.
Retail Decisions
Sagem
SAV Credit
Saylent Technologies
Secure Check RCK
Star Financial Bank
Starwood Hotels & REsorts
Terminal Velocity Processing
Thales
Toyota Finance
Transaction Network Services
TSYS Acquiring Solutions
TSYS Japan
U.S.Bank
U.S. Postal Service
USAA Federal
VeriFone
Visa
Washington Mutual
Way Systems
Welcome
Wells Fargo
Western Union
Wirecard