• Physical Sciences/Earth Sciences Research and Promotion

• 469.

Greater Washington Business Aviation Association Inc

Advancing the safety and education of pilots, maintenance technicians, management, schedulers and dispatchers and ground support.

• Social Science Research Institutes, Services

• 470.

AMERICAN INSTITUTES FOR RESEARCH IN THE BEHAVIORAL SCIENCES

Since 1946, AIR has been advancing evidence to evolve systems, improve lives, and ultimately create a better, more equitable world.

• Commemorative Events

• 471.

Honor Flight Philadelphia Corporation

Transport Americas veterans to Washington, D.

• Recreational, Pleasure, or Social Club

• 472.

Octopus Flying Club

Flying Club Octopus Flying Club A flying club based in Gaithersburgh Maryland and North Perry Florida Home We are small flying club with a wellequipped low wing fleet primarily for those pilots seeking day trips or week long crosscountry adventures.

• Other Recreation, Sports, or Leisure Activities N.E.C.

• 473.

Experimental Aircraft Association Chapter 1593 Incorporated

EAA Chapters EAAs local chapters are about people bringing together individuals interested in learning more about aviation as well as sharing their own knowledge.

• History Museums

• 474.

March Field Museum Foundation Inc

The March Field Air Museum is a nonprofit educational institution dedicated to promoting an understanding of humanity’s desire for flight and March Field’s pivotal role in the development of aviation.

• Single Organization Support

• 475.

Dragonflight Gamecon

The Pacific Northwest's premier gaming convention.

• Educational Services and Schools - Other

• 476.

Minnesota Aviation Career Education (ACE) Camp

We are a non-profit organization connecting students with the opportunity to explore a wide variety of aviation careers through hands-on projects, tours, and flight experience at our residential week-long summer camp.

Beechcraft Heritage Museum Inc

37 distinctive aircraft from 1924 - present day.