• Alumni Associations

• 640.

Epsilon Nu Alumni Association of Alpha Sigma Phi

Epsilon Nu Alumni Association Give Directly To ENAA Please Give to the Alumni Endowment Fund.

• Medical Disciplines

• 641.

Society of Academic Urologists

TO PROVIDE ACADEMIC UROLOGISTS A FORUM FOR THE DISCUSSION, REVIEW AND POTENTIAL RESOLUTION OF ISSUES CRITICAL TO ALL ASPECTS OF ACADEMIC UROLOGY.

Jasper County Historical Society of Iowa

OWNS AND OPERATES THE JASPER COUNTY HISTORICAL MUSEUM WHICH COLLECTS, PRESERVES AND EXHIBITS ARTIFACTS Closed for the season.

• Winter Sports (Snow and Ice)

• 643.

Upper Peninsula Luge Club

We are the United States natural luge team.

• Public Foundations

• 644.

Idaho Dark Sky Alliance Inc

RESERVE BY NIGHT ABOUT THE RESERVE RESERVE BY DAY Central Idaho Dark Sky Reserve in the News Astrophotography in the Central Idaho Dark Sky Reserve Ed Cannady Photo A team from the CBS Sunday Morning show recently came out to the Central Idaho Dark Sky Reserve to do a story about photographing the stars.

• Natural Resource Conservation and Protection

• 645.

Starry Skies North

Let's improve the way we light the night.

Mnswcaorg

Excalibur Con August 1617 2025 the DECC.

• Physical Sciences/Earth Sciences Research and Promotion

• 647.

Tennessee Valley Rock and Mineral Society Inc

TENNESSEE VALLEY ROCK AND MINERAL SOCIETY ABOUT OUR CLUB A fixture in the Chattanooga TN and surrounding community for over 40 years the TVRMS is a 501c3 notforprofit educational organization dedicated to being a local resource for people who want to learn about rocks minerals fossils and how to work with gems.

• Professional Societies & Associations

• 648.

NATIONAL ASSOCIATION OF GEOSCIENCE

NAGT supports a diverse, inclusive, & thriving community of educators & education researchers to improve teaching & learning about the Earth 🌎📚 NAGT works to improve the teaching of the Earth sciences by providing teaching resources, professional development events, & high quality publications.