• Professional Societies & Associations

• 244.

Geophysical Society of Pittsburgh

THE OBJECTIVE OF THIS SOCIETY WILL BE TO PROMOTE THE SCIENCE OF GEOPHYSICS AND TO PROMOTE THE FELLOWSHIP AND COOPERATION AMONG THOSE PERSONS INTERESTED IN GEOPHYSICAL METHODS AND PROBLEMS.

• Museums & Museum Activities

• 245.

Space Museum

Explore the history of spaceflight at the most comprehensive space history museum in Missouri.

Astrological Society of Princeton

The Astrological Society of Princeton N.

• Music

• 247.

California Autoharp Gathering CAG Foundation

PROMOTE AND FACILIATE MUSIC THEORY AND PRACTICE.

• Physical Sciences/Earth Sciences Research and Promotion

• 248.

Near Earth Object Foundation

Greetings from Sir Arthur C.

• Private Grantmaking Foundations

• 249.

Hyslop Foundation Inc

Hawthorn Hollow is a private, nonprofit nature sanctuary and arboretum owned & operated by the Hyslop Foundation, providing environmental education to all ages.

• Environmental Education and Outdoor Survival Programs

• 250.

Frontiers in Ornithology Association

All the latest updates, news, and conversation about the 2023 Frontiers in Ornithology Symposium being held November 4, Returning in 2025.

• Human Services - Multipurpose & Other N.E.C.

• 251.

Reach for the Stars

We're a pioneering Tucson nonprofit dedicated to reducing self-harm, depression, and stress in youth through powerful astronomy, art, and STEM programs.

BLACK SWAMP BIRD OBSERVATORY

We are dedicated to bird research, education, and conservation.