Operations Research/Management Science Societies

• ALIO: Asociación Latino-Iberoamericana de Investigación Operativa
• CORS: Canadian Operational Research Society
• DSI: Desicion Sciences Institute
• ECCO: European Chapter on Combinatorial Optimization
• EU/ME: EURO Working Group: European Chapter on Metaheuristics
• EWG: EURO Working Group: OR in Agriculture and Forest Management
• EURO: The Association of European Operational Research Societies
• GroupSim: Community for Collaborative Simulation Modelling
• HELORS: Hellenic Operational Research Society
• ICS: INFORMS Computing Society
• IOS: INFORMS Optimization Section
• IEEE SMC: IEEE Systems, Man, and Cybernetics Society
• IFORS: International Federation of Operational Research Societies
• IIE: Institute of Industrial Engineers
• IMIIS: Instituto Mexicano de Ingenieros Industriales y de Sistemas
• INCOSE: International Council on Systems Engineering
• INFORMS: The Institute of Operations Research and the Management Science
• INFORMS: TSL INFORMS Transportation Science and Logistics Section
• MCDM: International Society of Multiple Criteria Decision Making
• MPS: Mathematical Programming Society
• Omega Rho: International Honor Society
• ORS: The Operational Research Society
• P-and-S: Activity group on planning and scheduling
• PAREO: EURO working group on parallel processing in operations research
• POMS: Production and Operations Management Society
• SEIO: Sociedad Española de Estadística e Investigación Operativa
• SIAM Activity Group on Optimization
• SIAM Activity Group on Optimization (old)
• WDSI: Western Decision Sciences Institute

Gas Societies

• NET: Stategic Centre for Natural Gas and Oil
• IGT: Institute of Gas Technology
• Natural Gas
• PSIG: Pipeline Simulation Interest Group
• RBAC Consultans: Gas industry
• GRIDNET: Natural Gas Operations Optimizing System
• SPE: Society of Petroleum Engineers
• BBC: World Natural Gas Business
• PSEG: Process Systems Engineering Group at Cranfield University

Other Scientific Societies

• AAAS: American Association for the Advancement of Science
• ACM: Association for Computing Machinery
• AIMS: American Institute of Mathematical Sciences
• AMS: American Mathematical Society
• EENR: Environmental Economics and Natural Resources Group
• IEEE: Institute of Electrical and Electronics Engineers
• SIAM: Society for Industrial and Applied Mathematics
• SMM: Sociedad Matemática Mexicana
• TWAS: The Academy of Sciences of the Developing World
• WSEAS: The World Scientific and Engineering Academy and Society
• WSEAS: Indexing