• Astronomy (includes Observatories)

• 631.

HAMPTONS OBSERVATORY

Hamptons Observatory (aka Montauk Observatory) ia 501(c)(3) NYS nonprofit est.

Conn Road Builders Assoc Inc

Commercial Construction Trade Association committed to shaping the future of the industry in CT.

• Military/Veterans' Organizations

• 633.

Society of American Military Engineers

To promote and facilitate engineering support for national security by developing and enhancing relationships and competencies among uniform services public- and private-sector engineers and related professionals and by developing future engineers through outreach and mentoring.

• Fund Raising and/or Fund Distribution

• 634.

National Geographic Society

Supporting a community of Explorers who are illuminating and protecting the wonder of our world.

• Educational Services and Schools - Other

• 635.

The Expo

SPX: The Small Press Expo Promote cartooning & related art forms Small Press Expo 2025 The Premier Event for Graphic Novels the Comic Arts and Cartooning Returns.

• Medical Disciplines

• 636.

Sacramento District Dental Society

It is the mission of SDDS to be the recognized source for serving its members.

• Education N.E.C.

• 637.

International Facility Management Association Inc

The Utah Chapter of IFMA is a diverse group of Facility Management professionals that meet to network and share best practices.

• Education N.E.C.

• 638.

INTERNATIONAL INSTITUTE FOR SUSTAINABLE

I2SL is dedicated to advancing sustainable laboratories globally.

• Arts, Cultural Organizations - Multipurpose

• 639.

GALENA CENTER FOR THE ARTS INC

The Galena Center for the Arts strives to elevate and celebrate regional arts and artists.