Continental Airlines is a major American airline based in Continental Center I in Downtown Houston, Texas. On October 1, 2010, the acquisition of Continental airlines by UAL Corporation (the parent company of United Airlines) was completed and on the same day UAL changed its name to United Continental Holdings, Inc. These airlines are in the process of merging their operations under the name United Airlines. During the integration period, both airlines will, for a time, run separate operations under direction of a combined leadership team of the new parent company based in Chicago. The merger transaction is estimated to be worth (USD)$3.2 billion.

www.continental.com

United Air Lines Inc., (NYSE: UAL) is a major airline based in the United States and one of the world’s largest airlines with 48,000 employees and 359 aircraft. It is a subsidiary of United Continental Holdings, Inc. formerly, UAL Corporation, with corporate offices in Chicago. United’s current largest hub is Chicago’s O’Hare International Airport. United also has hubs in Washington Dulles International Airport, Denver International Airport, San Francisco International Airport, Los Angeles International Airport and Narita International Airport near Tokyo. United is a founding member of the Star Alliance, the largest airline alliance in the world, and offers connections to over 1,000 destinations in over 170 countries worldwide.

www.united.com

Delta Air Lines, Inc. (NYSE: DAL) is a major airline based in the United States headquartered in Atlanta. Delta is the world’s largest airline operating under a single certificate, operating flights on six continents across the globe. Delta operates an extensive domestic and international network, spanning North America, South America, Europe, Asia, Africa, the Middle East, the Caribbean and Australia. Delta and its subsidiary Delta Connection operate over 4,000 flights every day. Delta and the Delta Connection carriers fly to 348 destinations in 64 countries. (excluding codeshare) Delta operates the world’s largest and busiest hub at Hartsfield-Jackson Atlanta International Airport. It has been the world’s busiest airport by passenger traffic and number of landings and take-offs since 1999, serving 88 million passengers per year. Delta is a founding member of the SkyTeam alliance.

www.delta.com

Southwest Airlines Co. (NYSE: LUV) is an American airline based in Dallas, Texas. Southwest is the largest airline in the United States, based on domestic passengers carried, as of June 30, 2010. Southwest operates more than 3,400 flights a day, as of March 2011, utilizing a fleet of 547 Boeing 737 aircraft.

www.Southwest.com

US Airways, Inc. is a major airline based in the U.S. city of Tempe, Arizona. The airline is an operating unit of US Airways Group and is the 6th largest airline by traffic and 8th largest by market value in the country. US Airways operates major hubs in Charlotte, Phoenix and Philadelphia and maintains focus city operations at Ronald Reagan Washington National Airport.

www.airways.com

Northwest Airlines, Inc. (often abbreviated NWA), was a major United States airline headquartered in Eagan, Minnesota, near Minneapolis-St. Paul International Airport. Northwest has merged into Delta Air Lines. Northwest had three major hubs in the United States: Detroit Metropolitan Wayne County Airport, Minneapolis-Saint Paul International Airport, and Memphis International Airport. Northwest also operated flights from its Asian hub at Narita International Airport (Tokyo). Transatlantic flights were operated from its European hub at Amsterdam Airport Schiphol in cooperation with its partner airline KLM.

www.nwa.com

Alaska Airlines, (NYSE: ALK) is an airline based in the Seattle suburb of SeaTac, Washington, United States. Classified as a major carrier, Alaska operates hubs at Seattle–Tacoma International Airport, Ted Stevens Anchorage International Airport, and Portland International Airport. It also operates a secondary hub and Mexican gateway at Los Angeles International Airport.

www.AlaskaAir.com

Lockheed Martin (NYSE: LMT) is an American global aerospace, defense, security, and advanced technology company with worldwide interests. It was formed by the merger of Lockheed Corporation with Martin Marietta in March 1995. It is headquartered in Bethesda, Maryland, in the Washington Metropolitan Area. Lockheed Martin employs 133,000 people worldwide. Robert J. Stevens is the current Chairman and Chief Executive Officer.

www.LockheedMartin.com

The Boeing Company (pronounced /ˈboʊ.ɪŋ/) is an American multinational aerospace and defense corporation, founded in 1916 by William E. Boeing in Seattle, Washington. Boeing has expanded over the years, merging with McDonnell Douglas in 1997. Boeing Corporate headquarters has been in Chicago, Illinois since 2001. Boeing is made up of multiple business units, which are Boeing Commercial Airplanes (BCA); Boeing Defense, Space & Security (BDS); Engineering, Operations & Technology; Boeing Capital; and Boeing Shared Services Group.

Boeing is among the largest global aircraft manufacturers by revenue, orders and deliveries, and the third largest aerospace and defense contractor in the world based on defense-related revenue. Boeing is the largest exporter by value in the United States. Its stock is a component of the Dow Jones Industrial Average.

www.boeing.com

American Airlines, Inc. (AA) is the world’s fourth-largest airline in passenger miles transported, passenger fleet size, and operating revenues. American Airlines is a subsidiary of the AMR Corporation and is headquartered in Fort Worth, Texas adjacent to its largest hub at Dallas/Fort Worth International Airport. American operates an extensive international and domestic network, with scheduled flights throughout North America, Latin and South America, Europe, Asia/Pacific and the Caribbean.

American Airlines was listed at #120 on the Fortune 500 list of companies in 2010 and is a founding member of the Oneworld airline alliance.

www.aa.com