Austria, Germany, Switzerland - GASCO - consortium

Finland - Finnish Academy - funding agency

France - CEA - laboratory

France - COUPERIN - consortium

France - National Center for Scientific Research (CNRS) - funding agency

France - National Institute for Nuclear Physics and Particle Physics (IN2P3) - funding agency

Germany - Federal Ministry of Education and Research - funding agency

Germany - German Research Foundation (DFG) - funding agency

Germany - Helmholtz Association/DESY - funding agency/laboratory

Germany - Max-Planck Society (MPG) - funding agency

Greece - General Secretariat for Research and Technology - funding agency

Italy - CILEA - consortium

Italy - INFER - consortium

Italy - National Institute of Nuclear Physics (INFN) - funding agency

Netherlands - NIKHEF - funding agency

Netherlands - SURF - consortium

Norway - ABM-utvikling - consortium

Norway - Norwegian Research Council - funding agency

Portugal - Knowledge Society Agency (UMIC) - funding agency

Portugal - Laboratory of Instrumentation and Experimental Particle Physics - laboratory

Spain - CIEMAT - funding agency

Spain - Program for Particle Physics - funding agency

Sweden - Swedish Research Council -  funding agency

Switzerland - CHIPP - funding agency

United Kingdom - Joint Information Systems Committee - consortium

United Kingdom - Particle Physics and Astronomy Research Council - funding agency

United States - SLAC - laboratory

CERN - Host

ECFA

European Physical Society

JINR

European Commission, DG research

UNESCO