AFSCET (Association Française de Science des Systèmes Cybernétiques, Cognitifs et Techniques)
UES (Union Européenne de Systémique) http://ues-eus.eu/

IIGSS (International Institute for General Systems Studies) 

Principia Cybernetica Project (Free Univ. of Brussels)

American Society for Cybernetics

Web Dictionary of Cyb. & Systems

Austrian Society for Cybernetic Studies

Dept. of Cybernetics, Reading University

Intl. Assoc. for Cybernetics, Namur, Belgium (e-mail address)

IEEE Systems, Man & Cyb. Society

Cybernetics & Human Knowing (Journal)

Max-Planck-Institute for Biol. Cybernetics, Tübingen

Dortmund University (Fachbereich Informatik)

Dortmund University (Current Contents of CS Journals)

St Petersburg Central R&D Inst. Robotics & Tech. Cyb.

Sociocybernetics (Zaragoza, associated with Amsterdam)

Jnl. of Applied Systems Studies (JASS)

Institute for Information Transmission Problems, Moscow

UK Cybernetics Society

European Society for the Study of Cognitive Systems

Syncho Research

EMCRS Meeting http://www.emcsr.net