• Historical Societies and Related Activities

• 541.

Berlin Airlift Historical Foundation

Dedicated to Preserving the Memory and Legacy of the Berlin Airlift of 1948-1949 using our historic C-54 and C-97 aircraft.

• Recreational, Pleasure, or Social Club

• 542.

Flying Pilgrims R C Flying Club

A club of enthusiasts who enjoy flying radio controlled model aircraft.

• Promotion of Business (Chambers of Commerce)

• 543.

West Coast Societies

Western Coatings Symposium Oct 15-18, 2017 at the Paris Las Vegas Hotel.

• Professional Societies & Associations

• 544.

St Louis Aviation Maintenance Association

St. Louis Aviation Maintenance Promoting a high standard of technical and ethical practices within the midwestern aviation maintenance community IA seminar on 16 September 2025 We will be holding the IA renewal seminar on 16 September 2025 .

• Professional Societies & Associations

• 545.

National Precast Concrete Association Inc

Founded in 1965, NPCA connects leaders in the manufactured concrete industry through educational, leadership and networking opportunities.

National Aviation Youth Resources Inc

An aviation youth program providing STEM exposure and career opportunities in the aerospace & aviation industry Indiana ACE is an aviation youth program located throughout the state of Indiana.

• Recreational, Pleasure, or Social Club

• 547.

Palomar Chapter of the Model A Ford Club of America

Palomar Model A Club MAFCA North San Diego Chapter Palomar As Are a Social and Touring Club for Ford Model A Enthusiasts We are proud members of the Model A Ford Club Of America MAFCA and Model A Restorers Club MARC.

• Amateur Sports Clubs, Leagues

• 548.

Classic Jet Aircraft Association Inc

TO ASSIST IN THE PRESERVATION OF THE RIGHT TO FLY CLASSIC JET AIRCRAFT WITH THE LEAST AMOUNT OF REGULATION AND RESTRICTIONS COMMENSURATE WITH THE SAFE OPERATION OF THE AIRCRAFT.

• Computer Science

• 549.

US Technology Leadership Council

INNOVATE THE FUTURE Advanced Weapon Systems and Munitions Electronic Warfare and Protection Command Control Communications Computers and Intelligence C4I Unmanned Systems Biometrics Human Systems Advanced Electronics and Microelectronics Quantum Computing and Advanced Analytics Advanced and Affordable Manufacturing Materials Research Energy and Power Technologies Counter Improvised Explosive Devices IEDs Weapons of Mass Destruction WMD Engineered Resilience Systems Sensors and Processing System and Platform Prototyping for Land Sea and Air Homeland Security Energy Home USTLC is a not for profit501c6 organizationwhose purpose is to provide members with opportunities to exchange ideas in science and technology among industry leaders government officials and university researchers to promote US technology leadership for the benefit of society.