American Institute of Physics
A non-profit organization created for the purpose of promoting the advancement and diffusion of the knowledge of physics and its application to human welfare.
Applied Physics Society
APS is a nonprofit membership organization working to advance and diffuse the knowledge of physics through outstanding research journals, scientific meetings, and education.
International Union of Pure and Applied Physics
A worldwide organization dedicated to stimulating and facilitating international cooperation in physics and the worldwide development of science.
PhysicsWorld
New, views, and information for the global physics community.
Physics.org
A website maintained by the Institute of Physics and includes: a database with over 4,000 physics websites, career possibilities, and a wealth of more information.