IEEE Information Theory Society
Focuses on the processing, transmission, storage, and use of information, and the foundations of the communication process.
International Society for Complexity, Information
ISCID is a cross-disciplinary professional society that provides a forum for formulating, testing, and disseminating research on complex systems from an information- and design-theoretic framework.
Quiprocone
EU research network: Quantum Information Processing and Communications Network of Excellence. Information on meetings, reports, jobs, projects, and further resources.