Here is a list of the current african OR societies.

Name = Institute for Operations Research of Nigeria
URL = http://www.inforn.org.ng

Name = The Operations Research Society of South Africa (ORSSA)
URL = http://www.orssa.org.za

Name = Operational Practice in Africa (ORPA)
URL = http://orpa-group.org

Name = Tunisian Operational Research Societies (TORS)
URL = http://www.tors-tn.org

Name = African Federation of Operational Research Societies
URL = http://ww.afrosocieties.org