- Santa Fe InstituteCenter for Nonlinear studies – Los Alamos National Laboratories
- Centre of Complexity Science (Imperial College London)
- Research Institute for Complexity (Ca’ Foscari University of Venice)
- Non-linearity and Complexity Research Group (Aston University, UK)
- Complexity Sciences Center (University of California at Davis)
- Complex Systems Research at The University of Sydney
- GRIFE Complex Systems Research Group at the University of Sao Paulo
- Institute for Complex Systems Simulation Complexity Science Group at the University of Calgary, Alberta
- Max Planck Institute for the Physics of Complex Systems
- IPM Complex Systems Research Group at the Institute for Research in Fundamental Sciences
- International Research Center for Mathematics & Mechanics of Complex Systems (M&MoCS) at the University of L’Aquila
- Mexican Institute of Complex Systems (MICS), Tampico, Tamaulipas
- Complex System Group at the Centre de Recerca Matemàtica
- Bristol Centre for Complexity Sciences (BCCS) at the University of Bristol
- CABDyN Complexity Centre at the University of Oxford
- Centre for Complexity Science at the University of Warwick
- Institute for Complex Systems Simulation at the University of Southampton
- CASL Institute (Complex and Adaptive Systems Laboratory) at University College Dublin, Republic of Ireland
- Centre for Complex Networks and Systems Research at Indiana University
- Centre for Social Dynamics & Complexity (CSDC) at Arizona State University
- Northwestern Institute on Complex Systems (NICO), Northwestern University
- Complex Systems Laboratory, International Hellenic University, Kavala, Greece