Organisation for the Prohibition of Chemical Weapons | Commonwealth Scientific and Industrial Research Organisation | Organisation of African Unity | Organisation for Economic Co-operation and Development | National Institute of Standards and Technology | American National Standards Institute | European emission standards | Rank Organisation | British Darts Organisation | standards | Indian Space Research Organisation | Defence Science and Technology Organisation | Polish Military Organisation | Organisation Todt | United Malays National Organisation | Organisation of Eastern Caribbean States | European Patent Organisation | Colours, standards and guidons | Advertising Standards Authority | Organisation de l'armée secrète | National Board for Professional Teaching Standards | Shanghai Cooperation Organisation | Interstate Highway standards | Independent Parliamentary Standards Authority | Hellenic Railways Organisation | Ernst Thälmann Pioneer Organisation | Standards and Practices | Netherlands Organisation for Applied Scientific Research | Nature and Organisation | Internationalist Communist Organisation |
Open Mobile Alliance - a standards developing organisation managing the (mobile) Instant Messaging and Presence Service IMPS specification