AOPA provides advocacy, training, industry news, and other services to a membership of more than 400,000 pilots and aviation enthusiasts.

421 Aviation Way
Frederick, MD 21701-4756
Tel: (800) 872-2672
Fax: (301) 695-2375
http://www.aopa.org

Airlines for America works with members to help shape aviation policy and enhance aviation safety.

1275 Pennsylvania Avenue, NW, Suite 1300
Washington, D.C. 20004-2450
Tel: (202) 626-4000
Email: a4a@airlines.org
http://www.airlines.org

The Federal Aviation Administration's mission is to provide a safe, efficient, and environmentally responsible aerospace system.

800 Independence Avenue, SW
Washington, D.C. 20591-0001
Tel: (866) 835-5322
https://www.faa.gov

The General Aviation Manufacturers Association's primary purpose is to foster and advance the general welfare, safety, interests, and activities of general aviation.

1400 K Street, NW, Suite 801
Washington, D.C. 20005-2485
Tel: (202) 393-1500
Fax: (202) 842-4063
Email: info@gama.aero
https://www.gama.aero

The National Aeronautics and Space Administration focuses on aeronautics, tackling challenges in the air transportation system, and also conducts work in human exploration and operations, science, and space technology.

300 E Street, SW, Suite 5R30
Washington, D.C. 20546-0005
Tel: (202) 358-0001
Fax: (202) 358-4338
https://www.nasa.gov

The National Air Transportation Association provides various resources such as advocacy and educational forums for its aviation service members.

818 Connecticut Avenue, NW, Suite 900
Washington, D.C. 20006-2733
Tel: (800) 808-6282
Tel: (202) 774-1535
Fax: (202) 452-0837
https://www.nata.aero

The Regional Airline Association provides an array of technical, government relations, and public relations services for North American regional airlines.

1201 15th St. NW
Washington, D.C. 20005
Tel: (202) 367-1170
Fax: (202) 367-2170
Email: raa@raa.org
https://www.raa.org