American Society for Cybernetics -  .

Cambridge Cybernetic Society - - Association with the mission to create a forum for transdisciplinary discussion in the tradition of cybernetics, to consider relationships of technology, commerce and society in the 21st Century and to offer perspectives of cybernetics as a constructive discipline, especially in the context of its prefix being usurped.

The Control Systems Group - - Membership organization dedicated to application of William T. Powers' perceptual control theory model to understanding purposeful behavior.

Cybernetics and Systems Societies - - A list maintained by F. Heylighen.

CybSoc - - The Cybernetics Society, London, U.

IEEE Systems, Man and Cybernetic Society - - Fields of Interest are Integration of the Theories of Communication, Control, Cybernetics, Stochastics, Optimization and System Structure towards the Formulation of a General Theory of Systems, Technology and Application of the Above to the Analysis and Design of Biological, Ecological, Socio-Economic, Social Service, Computer Information, and Operational Man-Machine Systems.

IFAC, the International Federation of Automatic Control - - A multinational Federation of Organizations Representing the Engineering and Scientific Societies Concerned with Automatic Control.

International Association for Cybernetics - - Aims are to ensure a permanent and organized connection between cybernetics researchers around the world to promote the development of this science and its technical applications.

WOSC: Homepage - - World Organization of Cybernetics and System.