Canadian Operational Research Society/Société Canadienne de Recherche Opérationnelle - Bulletin, meetings, careers, membership information and other resources. French and English site. INFORMS - Institute for Operations Research and the Management Sciences. American OR society. AIRO - Italian Society of Operations Research, Optimization and Decision Science. Includes membership, meetings, and publications. ORSSA - South African OR society. ORBEL - Begian Operations Research Society - proposes an agenda of conferences as well as teaching information on O.R. Operational Research Society of New Zealand - Membership, meetings, resources. Netherlands Society for Statistics and Operational Research - VVS: Vereniging voor Statistiek en Operationele Research / Netherlands Society for Statistics and Operations Research. Australian Society for Operations Research (ASOR) - Membership, meetings, resources. Aðgerðarannsóknafélag Íslands - Icelandic Operations Research Society (ICORS). Gesellschaft für Operations Research e. V. - German OR society. Operational Research Society - United Kingdom OR society.