41st Parameter
Accelya
Accertify
ACS
Air France-KLM
Air Jamaica
Airline Information
Airlines Reporting Corporation (ARC).
Air Trade Intl
Airtran
ALTA (Latin American & Caribbean Airline Association)
Al Tayer Travel Agency
Alternative Airlines
Amadeus
American Airlines
American Express
Amtrack
Anixe
ASTA
Bahamasair
BCD Travel
Bill Me Later
Cape Air
Caribbean Airlines
Cathay Pacific
Continental Airlines
Continuum Commerce
Copa Airlines
Cybersource
Delta Air Lines
Diplomata Tours
Edgar Dunn & Co.
Elevon
eNett
Ethoca
Eurocommerce
Expedia
Farelogix
FEXCO Dynamic Currency Conversion
First Atlantic Commerce
First Data
Global Collect
Hahn Air
IATA
Insel Air
Jetstar Airways
LAN Airlines
Lufthansa
Lufthansa Airplus
Martinair Holland
MasterCard
Moneta
Moneydirect
MS&W Latin America
Netgiro
Ogone
Orbitz
Ormeno Associates
PayPal
PayCommerce
Paysafecard
PayTrue Solutions
Planet Payment
RBS Worldpay
Realex Payments
Retail Decisions
SafetyPay
SeaMountain
SeerGate
SignatureLink
Southwest Airlines
Spirit Airlines
ThinkInk Travel PR
TAM Linhas Aereas
transavia.com
Travel Guard
Travelex
Travelocity
TRX
UATP
United Airlines
UseMyBank
Vietnam Airlines
Virgin Atlantic
VISA
Volaris
Winair
Wyndham Hotels