Accenture
Acculynk
ACI Worldwide
Advanced Payment Sol.
Advent International
American Express
Bank of America
Barclaycard
Bill Me Later
BB&T
Card Commerce
CardinalCommerce
Cardtronics
Carrefour
Chase Paymentech
Citigroup
CPNI
CSU CardSystem
Cubic Transportation Sys.
CyberSource
Cynergy Data
Deutsche Bank
Dib & Associates
Diners Club
Discover Card
ECHO
Elavon
eProcessing Network
ETA
Euronet Worldwide
EVO Merchant Services
FICO
Fifth Third Processing
First American Payment Sys.
First Data
First Nat'l Merchant Sol.
Fortis Bank
GE
Global Payments
Heartland Payment
IBM
ID TEch
Ingenico
Innovative Merchant Sol.
IntelCav Cartões
Intuit
iPayment
ISTS Outsourcing Services
ITOS Outsourcing Services
JCB International
Key Merchant Services
Latin Next Group
Loyalty Expo

Luup
MagTek
MasterCard
MBF Cards
Merchant e-Solutions
Merchants' Choice Card Serv.
Mercury Payment Systems
Merrick Bank
Metavante
Moneris
Monext
MoneyGram
Monitise
MSI Merchant Services
Nokia
North American Bancard
NPC
NXP
Oberthur Technologies
Obopay
Orange Group
Outside Ventures
Persolvo Data Systems
PNC Merchant Services
Prime Debt Soft
ProfitPoint
Pulse Network
Rabobank
RBS Worldpay
RDM Corporation
Retail Decisions
Sage Payment Solutions
Sears
SIA-SSB
SIX Multipay
Springbok Services
Standard Chartered Bank
Staples
The Home Depot
Total Merchant Services
TransFirst
TriSource Solutions
TSYS
U.S. Bank
United Bank Card
Visa
Visiona Card Mgmt. System
ViVOtech
Walmart
Web.com
Wells Fargo
WiPro