http://www.aimsciences.org

American Institute of Mathematical Sciences

http://www.ams.org/

American Mathematical Society

http://www.austms.org.au/

Australian Mathematical Society

http://emics.ksu.ru

Equilibrium Models in Complex Systems (EMICS)

http://www.ams.org/mathweb/mi-sao.html

Mathematical Associations around the World

http://optnet.itwm.uni-kl.de/sigopt/

Special Interest group in Optimization

http://www.siam.org/siags/siagop/siagop.htm

SIAM Activity Group in Optimization

http://www.mathprog.org

Mathematical Programming Society

http://www.siam.org/nnindex.htm

Society for Industrial and Applied Mathematics (SIAM)

http://genconv.ec.unipi.it/

Working Group on Generalized Convexity (WGGC)

http://rgmia.vu.edu.au/

Research Group in Mathematical Inequalities and Applications (RGMIA) 

http://gala.univ-perp.fr/~aussel/Mode/acceuil.html

Subgroup of French Applied Math. Society in Optimization

http://smai.emath.fr/

French Applied Mathematics Society

http://www.ndopt.kiev.ua/

Network for developing  theory  methods and applications of  nonsmooth analysis and optimization  (Former Soviet Union)

http://www.informs.org/

Institute for Operations Research and Management Sciences (INFORMS)

http://www.orsj.or.jp/english/engindex.html

The Operations Research Society of Japan

http://www.iam.metu.edu.tr/EUROPT/

EURO Working Group on Continuous Optimization (EUROPT)

http://www.cs.rutgers.edu/~imacs/

The International Association for Mathematics and Computers in Simulation

http://www.apnet.com/

Academic Press

http://www.baltzer.nl/anor/anor.asp

Annals of Operaration Research

http://www.baltzer.nl

Baltzer Science Publisher

http://www.wkap.nl/journalhome.htm/0926-6003

Computational Optimization and Applications

http://www.aimsciences.org

Communications on Pure and Applied Analysis

http://www.aimsciences.org

Discrete and Continuous Dynamical Systems

http://www.elsevier.nl/

Elsevier Science Publisher

http://www.ie.ncsu.edu/fangroup/fuzzy.dir/FODM.html

Fuzzy Optimization and Decision Making

http://www.ruf.rice.edu/~miele/jota0.html

 Journal of Application Theory and Optimization, JOTA

http://www.wkap.nl/journalhome.htm/1382-6905

Journal of Combinatorial Optimization, Kluwer Academic Publishers

http://www.msci.memphis.edu/~anastasg/anlyjour.htm

Journal of Computational Analysis and Computation, Kluwer Academic Publishers

http://www.heldermann.de/jcacover.htm

Journal of Convex Analysis

http://www.wkap.nl/journalhome.htm/0925-5001

Journal of Global Optimization

http://www.wkap.nl/

Kluwer Academic Publishers

http://www.wkap.nl/kaphtml.htm/JRNLHOME

Kluwer Academic Publishers, Journal homepage

http://www.dekker.com/

Marcel Dekker Publishing House

http://www.aimsciences.org

Mathematical Biosciences and Engineering

http://www.caam.rice.edu/~mathprog/mpsjournal/

Mathematical Programming

http://www.informs.org/Pubs/Math/

Mathematics of Operation Research

http://www.caam.rice.edu/~mathprog/optima/

OPTIMA

http://www.tandf.co.uk/journals/titles/02331934.asp

Optimization, A journal of mathematical programming and operation research

http://ssor.twi.tudelft.nl/~terlaky/OPTE/opte.html

Optimization and Engineering

http://www.cas.mcmaster.ca/~terlaky/OPTE/opte.html

Optimization and Engineering

http://fmad-www.larc.nasa.gov/mdob/users/natalia/opte

Optimization and Engineering

http://www.wkap.nl/journalhome.htm/0927-6947

Set-valued Analysis

http://www.siam.org/journals/sicon/sicon.htm

SIAM, Journal of Control and Optimization

http://www.siam.org/journals/sicon/sicon.htm

SIAM, Journal of Numerical Analysis

http://www.siam.org/journals/siopt/siopt.htm

SIAM, Journal of Optimization

http://www.springer-verlag.com/

Springer-Verlag

http://www.tandf.co.uk/journals/

Taylor and Francis Journals

http://www.wspc.com.sg/

World Scientific Publishing Company

http://www.mat.univie.ac.at/~neum/glopt.html

Global optimization (This is a comprehensive archive of online information on global optimization, and somewhat less comprehensive on local optimization, collected by Arnold Neumaier)

http://mat.gsia.cmu.edu/

Michael Tric's Operation Research page (This is a page for pointers to all aspects of operations research)

http://www-unix.mcs.anl.gov/otc/Guide/faq/

Optimization: Frequently asked questions

http://fmad-www.larc.nasa.gov/mdob/MDOB/index.html

Multidisciplinary Optimization Branch

http://www.cs.wisc.edu/cpnet/

Complementary Problem Net

http://plato.la.asu.edu/bench.html

Benchmarks for Optimization software

http://plato.la.asu.edu/guide.html

Decision tree for Optimization Software

http://www.netlib.org/na-net/na_home.html

NA digest

http://optnet.itwm.uni-kl.de/opt-net/

Optnet

http://www.mcs.anl.gov/otc/Guide

NEOS Guide

http://www-neos.mcs.anl.gov/

NEOS Server

http://www.optimization-online.org/

Optimization Online

http://archimedes.scs.uiuc.edu/tawarmal/orlinks.html

Mohit Tawarmalani's operation research links