7-Eleven
Academy Collection Service
ACH Direct
Alliance & Leicester
Amazon.com
AmbironTrustWave
American Online
Amer. Bank Note Holo.
American Express
Applied Bank
Austin Logistics
Bank of America
Bank of New York
Bank of New Zealand
Barclaycard
BJ's Wholesale Club
Blackhawk Networks
BNP Paribas
Bopo Cards
BP
Caisses d'Epargne
Capital One
Cardtronics
Central Nat'l Bank of Enid
Chevron/Texaco
China UnionPay
ChoicePoint
Citgo
Citibank
Coinstar
Comdata
ConocoPhillips
CPI Card Group
CPS Technologies
Credco
Cricket
Cruz Bay Solutions
Cryptomathic
DataX
Diebold
Discover
eBureau
Ecount
eFunds
Electronic Clearinghouse
Empiria Group
Equifax
Experian
ExxonMobil
Fair Isaac
First American Payment
First Data
FleetCor
Fundstech
GE Money
Genpact
Global Payments
Google
Harris Bank
Household Financial
Humboldt Merchant Serv.
Hypercom
ICMA

InComm
Innova Card
Innovis
Int'l Merchant Services
JCB International
JPMorgan Chase
La Poste
LexisNexis
Lloyds RSB
LML Patent Corp.
Marathon
Marks & Spencer
MasterCard
mBlox
MCI
Merchant e-Solutions
Meta Payment Systems
Moneris Solutions
Nat'l Bank of Kuwait
Nationwide Building Society
NCR
NEC
Nokia
Nomad Payments
Nova Info Systems
Oberthur Card Systems
Online Resources
Paymetric
PayPal
Personix
Planet Payment
Postilion
Providian
PSCU Financial Services
RBS Lynk
RDM Corp.
Regions Bank
Sage Software
Shell
Sinclair
Smart Transaction Systems
SMi Group
Société Générale
Sovereign Bank
Sunoco
Speedway
Tchek
Teletrack
The Strawhecker Group
TransUnion
Travelex Americas
Triton Systems
U.S. Bank
USAA Federal
Valero
Valista
VeriFone
Visa
Vodafone
Wavecom
Wells Fargo
Wright Express
ZL Technologies