| Country |
Title |
Web Site |
| Argentina |
SADIO |
www.sadio.org.ar |
| Australia |
ASOR |
www.asor.org.au |
| Austria |
ÖGOR |
www.oegor.at |
| Belarus |
BYORS |
|
| Belgium |
ORBEL/Sogesci-B.V.W.B. |
www.orbel.be |
| Brazil |
SOBRAPO |
www.sobrapo.org.br |
| Bulgaria |
BORS |
|
| Canada |
CORS/SCRO |
www.cors.ca |
| Chile |
ICHIO |
www.ind.utfsm.cl/ichio/ |
| China |
ORSC |
www.orsc.org.cn |
| Colombia |
CRORS |
www.socio.org.co |
| Croatia |
CROR |
|
| Czech Republic |
CSOR |
nb.vse.cz.csov.rada.htm |
| Denmark |
DORS |
www.dorsnet.dk |
| Finland |
FORS |
www.operaatiotutkimus.fi |
| France |
ROADEF |
www.readef.org/ |
| Germany |
GOR |
https://gor.uni-paderborn.de |
| Greece |
HELORS |
www.eeee.org.gr |
| Hong Kong |
ORSHK |
|
| Hungary |
HORS |
www.hors.hu/ |
| Iceland |
ICORS |
www.agr.is/arfi/orsociety.html |
| India |
ORSI |
|
| Ireland |
ORMSI |
mis.ucd.ie/mssi |
| Israel |
ORSIS |
iew3.technion.ac.il/Labs/Orsis |
| Italy |
AIRO |
www.airo.org |
| Japan |
ORSJ |
www.orsj.or.jp/ |
| Korea |
KORS |
www.korms.or.kr |
| Lithuania |
LITORS |
www.mii.lt/LitORS |
| Malaysia |
MSORSM |
www.managementsciences.org.my |
| Mexico |
MISOR |
|
| Netherlands |
NSOR |
www.ngb-online.nl |
| New Zealand |
ORSNZ |
www.orsnz.org.nz |
| Norway |
NORS |
|
| Philippines |
ORSP |
www.orsp.org.ph |
| Poland |
ASPORS |
www.ptbois.org.pl |
| Portugal |
APDIO |
www.apdio.pt |
Serbia
|
YUORS |
www.dopis.org.yu |
| Singapore |
ORSS |
sunsite.nus.edu.sg/ORSS |
| Slovakia |
SSOR |
fhi.euba.sk/ssov |
| Slovenia |
SDI-SOR |
www.drustvo-informatika.si/
sekcije/sor/index.jsp |
| South Africa |
ORSSA |
www.orssa.org.za |
| Spain |
SEIO |
www.seio.es/ |
| Sweden |
SOAF |
www.soaf.se |
| Switzerland |
SVOR |
www.svor.ch/ |
| Tunisia |
TMSS |
http://tmss.chez.com/ |
| Turkey |
ORST |
www.yad.org.tr |
| United Kingdom |
ORS |
www.theorsociety.com |
| United States of America |
INFORMS |
www.informs.org |
| Uruguay |
AUDIIO |
|
