[Airlines] [Car Rental] [Cruise Lines] [Hotels] [Rail]
Airlines (the harder to find ones)

Aer Lingus
Air Canada
Air France
Air Jamaica
Air New Zealand
Alitalia
British airways
Canadian
El Al
Finnair
Frontair
KLM
LOT
Lufthansa
Mexicana
Qantas
SAS Scandanavian
Sabena
Swissair
Western Pacific

Car Rental Agencies

Alamo
Auto Europe
Avis
Budget
Dollar
Hertz
Kemwel
National
Value

Cruise Lines

American Hawaii Cruises
Carnival
Celebrity
Cunard
Dolphin
Holland America
Norwegian
Princess
Regal
Royal Caribbean

Hotels

Best Western
Club Hotels by Doubletree
Doubletree
Embassy Suites
Forte
Four Seasons
Hawthorne Suites
Hilton
Holiday Inn
Homewood Suites
Inter-Continental
Loews
Marriott
Outrigger
Radisson
Red Roof
Sheraton
Super 8
Westin

Rail, other

Amtrak
Greyhound Bus Lines
Rail Europe