• Physical Sciences/Earth Sciences Research and Promotion

• 19.

Women in Aviation International

Women in Aviation International is a nonprofit membership organization dedicated to connecting and engaging women in aviation.

• Mental Health Associations - Multipurpose

• 20.

Army Aviation Association of America Inc

Founded in 1957. Over 20,000 members & 79 Chapters worldwide.

• Physical Sciences/Earth Sciences Research and Promotion

• 21.

Women in Aviation International

Chicago’s Leading Edge Chapter was founded in October, 2009 and serves the Chicagoland area.

• Museums & Museum Activities

• 22.

Army Aviation Heritage Foundation and Flying Museum Inc

The AAHF serves to educate the American public on the contributions of Army Aviation and maintain historic Army Aviation aircraft in flyable condition.

• Military/Veterans' Organizations

• 23.

Air Force Association

BILLY MITCHELL CHAPTER 247 Welcome to BillyMitchell The Air Force Association is the voice for aerospace power and the Air Force family.

• Historical Societies and Related Activities

• 24.

Idaho Aviation Heritage Inc

Idaho Aviation Heritage Working to honor and preserve our heritage of flight.

• Adult, Continuing Ed

• 25.

Alaska Airmens Association Inc

The Alaska Airmen's Association is one of the largest general aviation groups in America.

• Business and Industry

• 26.

Colorado Agricultural Aviation Association Inc

Colorado Association in support of Agricultural Aviation Pilots.

Aero Club of Washington DC

The Aero Club of Washington is now in its 115th year of bringing the Washington and national community together to share and discuss aviation issues.