Aeromexico [ http://www.aeromexico.com ]  [ Member of SkyTeam ]

AirTran Airways [ http://www.airtran.com ]  [ Miles Program: A+ Rewards ]

Air Canada [ http://www.aircanada.com ]  [ Miles Program: Aeroplan, Member of Star Alliance ]

Air France [ http://www.airfrance.us ]  [ Member of SkyTeam ]

Air India [ http://www.airindia.com ]

Alaska Airlines [ http://www.alaskaair.com ]

Allegiant Air [ http://www.allegiantair.com ]

American Airlines [ http://www.aa.com ]  [ Miles Program: AAdvantage ]

Asiana Airlines [ http://us.flyasiana.com ]

British Airways [ http://www.britishairways.com ]  [  Miles Program: Executive Club  ]

Cape Air [ http://www.flycapeair.com ]

Cathay Pacific [ http://www.cathay-usa.com ]

Cayman Airways [ http://www.caymanairways.com ]

China Airlines [ http://www.china-airlines.com ] [ Member of Star Alliance ]

China Eastern Airlines [ http://en.ceair.com ]  [ Member of SkyTeam ]

China Southern Airlines [ http://www.flychinasouthern.com ]  [ Member of SkyTeam ]

Continental Airlines [ http://www.continental.com ]  [ Member of Star Alliance ]

Delta Airlines [ http://www.delta.com ]  [ Member of SkyTeam ]

Frontier Airlines [ http://www.frontierairlines.com ]

Hawaiian Airlines [ http://www.hawaiianair.com ]

JetBlue Airways [ http://www.jetblue.com ]

KLM, Royal Dutch Airlines [ http://www.klm.com/travel/us_en/index.htm ] [ Member of SkyTeam ]

Korean Air [ http://www.koreanair.com ]  [ Member of SkyTeam ]

Lufthansa [ http://www.lufthansa.com ]  [ Member of Star Alliance ]

Singapore Airlines [ http://www.singaporeair.com ]  [ Member of Star Alliance ]

SkyWest Airlines [ http://www.skywest.com ]

Southwest Airlines [ http://www.southwest.com ]

Spirit Airlines [ http://www.spirit.com ]

Sun Country Airlines [ http://www.suncountry.com ]

Swiss International Airlines [ http://www.swiss.com ]  [ Member of Star Alliance ]

Thai Airways [ http://www.thaiairways.com ]  [ Member of Star Alliance ]

United Airlines [ http://www.united.com ]  [ Miles Program: MileagePlus, Member of Star Alliance ]

USA 3000 Airlines [ http://www.usa3000.com ]

US Airways [ http://www.usairways.com ]  [ Miles Program: Dividend Miles, Member of Star Alliance ]

Virgin America [ http://www.virginamerica.com ]

Vision Airlines [ http://www.visionairlines.com ]

WestJet [ http://www.westjet.com ]

more will be added soon...
 

Updated 8/14/2011