Accel/Exchange
Acculynk
ACI Worldwide
Advanta
American Express
Arco
Auctionpay
Autoscribe Corp.
Aveso Displays
Bell ID
Billing Revolution
BillMeLater
Bling Nation
BP
Chase Paymentech
Chevron
China UnionPay
CHS?Cenex
Citgo
Coinstar
Collis
Comdata
Commonwealth Bank
ConocoPhillips
Consult Hyperion
CyberSource
Cynergy Holdings
DataRose
Diners Club
Discover
DZ Card International
Egytec
Elavon
Empiria Group
Equifax
European Commission
European Vending Association
ExxonMobil
Fifth Third Bank
First Data
First Nat'l Bank of Omaha
FIS
Fleet One
Gemalto
Global Payments
GlobalPlatform
Green Dot
Hypercom
Inside Contactless
Instamed
Ingenico

IXI Corp.
Jack Henry & Associates
JCB
JPMorgan Chase
Marathon
Marks Baughan & Co.
MasterCard
McLagan
Mega Network
Merchant Warehouse
National Payment Card Assoc.
NatWest Bank
Oberthur Technologies
Obopay
PAY.ON
Paymetric
Payoneer
PayPal
Pemco Technologies
Planet Payment
Postbank
Rapadev
RBS WorldPay
S1
Sagem Orga
Saudi Hollandi Bank
Secure POS Vendor Alliance
Secure Remote Payment Council
Serverside Group
Shell
Sino Payments
Speedway
Sunoco
T-Chek
TASQ
Terrapinn
The Members Group (TMG)
TowerGroup
Transaction Network Services
TransUnion
Travelex
Trilby Lundberg
U.S. Bank
Upromise
Valero
VeriFone
Vesdia
Visa
Web.com
Western Union
Wright Express