Editing MSI (section)

==Organizations==
* [[Macedonian Scientific Institute]], an institution in Sofia, Bulgaria
* [[Marketing Science Institute]], a nonprofit learning institution in Cambridge, Massachusetts, US
* [[Media Sport Investment]], the international fund of investors that ran Sport Club Corinthians Paulista
* [[Millennium Science Initiative]], an international program bringing technology to developing nations
* [[Ministry of Science and Innovation (New Zealand)]]
* [[Minority-serving institution]], in US higher education
* [[MSI Reproductive Choices]], an international non-governmental organisation providing contraception and safe abortion services, with a global HQ in London, UK
* [[Museum of Science and Industry (Chicago)]]
* [[Science and Industry Museum]], in Manchester, England
* [[University of Minnesota Supercomputing Institute]]
* [[Italian Social Movement]] (''Movimento Sociale Italiano''), a defunct post-fascist party

===Companies===
* [[Micro-Star International]], a Taiwanese information technology company
* [[Midwest Scientific|Midwest Scientific Instruments]], a defunct American computer company
* [[Morgan Stanley]] (Broker ID), an American financial services company
* [[Motorola Solutions]] (NYSE: MSI), an American data communications and telecommunications equipment provider
* [[Movie Star (company)]] (AMEX: MSI), an American clothing manufacturer