Mesa Air Group, Inc.
- Provides regularly-scheduled commuter and cargo airline services.
- http://www.mesa-air.com/

Hawaiian Airlines
- Hawaii's first and largest airline, provides scheduled and charter interisland flights between the Hawaiian Islands. Hawaiian Airlines also provides air transportation between Hawaii, California, Nevada, Oregon, Washington, Alaska, American Samoa and Tah
- http://www.hawaiianair.com

Aloha Airlines
- Major hub in Honolulu serving Hawaii and western North America.
- http://www.alohaairlines.com

Spirit Air
- Provides service to the Caribbean, the Bahamas, and Latin America.
- http://www.spiritair.com

Midwest Airlines
- Provides service from its major hub in Milwaukee.
- http://www.midwestairlines.com

Frontier Airlines
- Provides service from its Denver hub.
- http://www.frontierairlines.com

Ted
- Low fare guaranteed no-frills airline offers entertaining ride to anywhere in North America.
- http://www.flyted.com

Big Sky Airlines
- Serving destinations in Colorado, Idaho, Montana, North Dakota, Washington, and Wyoming.
- http://www.bigskyair.com/

Virgin America
- Opened December 2005 with the motto "the airline we hope you love"; includes job openings, executive profiles, and updates on launch plans.
- http://www.virginamerica.com/

Pan Am Clipper Connection
- Opeated by Boston-Maine Airways serving the northeast, Florida, and the Caribbean.
- http://www.flypanam.com

Alaska Airlines/Horizon Air
- Major hubs in Anchorage and Seattle.
- http://www.alaskaair.com

Atlantic Southeast Airlines
- Delta Connection carrier with major hubs in Atlanta, Cincinnati, and Salt Lake City.
- http://www.flyasa.com

Comair
- Delta Connection carrier with hubs in Cincinnati, New York-JFK, Salt Lake City, Orlando, and Boston.
- http://www.comair.com

Mesaba Holdings, Inc.
- Operates as Northwest Airlink from Minneapolis/St. Paul, Detroit, and Memphis.
- http://www.mesaba.com/

US Airways
- Major hubs in Charlotte and Philadelphia.
- http://www.usairways.com/

Southwest Airlines
- Major hubs in Chicago-Midway, St. Louis, Dallas-Love, Houston-Hobby, Phoenix, Albuequrque.
- http://www.southwest.com

Northwest Airlines
- Member of the SkyTeam Alliance with major hubs in Minneapolis/St. Paul, Detroit, Memphis, Milwaukee, Boston, and Narita-Tokyo.
- http://www.nwa.com

Continental Airlines
- Member of the SkyTeam Alliance with major hubs in Newark, Cleveland, Houston-Intercontinental, Denver, and New Orleans.
- http://www.continental.com

JetBlue Airways
- Major hubs in New York-JFK, Boston, Washing DC-Dulles, Fort Lauderdale, Long Beach, and Oakland.
- http://www.jetblue.com

Delta Air Lines
- Member of the SkyTeam Alliance with major hubs in Atlanta, Cincinnati, Los Angeles, Salt Lake City, and New York-JFK.
- http://www.delta.com

American Airlines
- Member of the oneworld Alliance with major hubs in Dallas / Ft. Worth, Chicago, Miami, St. Louis and San Juan.
- http://www.aa.com

United Airlines
- Member of the Star Alliance with major hubs in Chicago, Denver, Washington DC-Dulles, Seattle, San Francisco, Raleigh, Tokyo, and London-Heathrow.
- http://www.united.com

AirTran Airways
- Discount airline serving the eastern and central United States. Includes schedules, reservations, a route map, online incentives, and employment opportunities, based in Atlanta, Georgia. [English and Spanish]
- http://www.airtran.com/