• Professional Societies & Associations

• 91.

AMERICAN PHYSICAL SOCIETY

Fostering a vibrant, inclusive, and global community dedicated to science and society.

• Professional Societies & Associations

• 92.

American Institute of Physics Inc

Physics Today, the flagship publication of the American Institute of Physics, is the most influential and closely followed physics magazine in the world.

• Unknown

• 93.

Society of Rheology Incorporated

ADVANCING AND DISSEMINATING INFORMATION ON THE DEFORMATION AND FLOW OF MATTER TO THE SCIENTIFIC AND EDUCATIONAL COMMUNITIES WORLDWIDE.

• Professional Societies & Associations

• 94.

American Association of Physics Teachers

American Association of Physics Teachers — Strengthening Physics Education, Supporting Physics Teachers #Physics #ITeachPhysics #PhysicsTeachers #AAPTWM25 AAPT empowers physics educators, from introductory physics to post graduate physics with an active community of teachers.

• Secondary/High School

• 95.

Chelsea School

Educates Promising students with specific language-based learning differences to become lifelong, independent learners.

HYATTSVILLE VOLUNTEER FIRE DEPARTMENT INCORPORATED

The HVFD provides volunteer fire, rescue & EMS service in Prince George's County, MD, responding to nearly 6,000 calls annually.

• Physical Sciences/Earth Sciences Research and Promotion

• 97.

American Center for Physics Inc

AMERICAN CENTER FOR PHYSICS, INC. ACP IS ORGANIZED TO OPERATE TO PROVIDE A NATIONAL CENTER FOR PHYSICS TO ASSURE THE ADVANCEMENT AND DIFFUSION OF THE KNOWLEDGE OF PHYSICS AND RELATED SCIENCES.

• International Relief

• 98.

Dsh Humanity for African Children Inc

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• Recreational, Pleasure, or Social Club

• 99.

Free State Flying Club Inc

Free state Flying club college park airport CGS The Free State Flying Club is a social and flying club based at College Park Airport in suburban Maryland.