OST (Open Systems Technologies) is a $68 million company with offices in Grand Rapids, and Ann Arbor, Michigan, Minneapolis and London, England.  OST has been focused on providing IT infrastructure services and products for over fifteen years; in addition OST offers security services, custom application development services, managed services, and business process services. Since 2003, the company has grown it revenue at a compounded rate of over 35% annually. In 2007, 2008, 2009 2010, 2011, and 2012 OST was recognized in INC. magazine’s 5,000’s Fastest Growing Private Companies. OST was also listed on CRN’s Tech Elite 250 in 2010 and 2011, and CRN’s FastGrowth100 in 2007, 2008 and 2009 and on the Michigan 50 Companies to Watch in 2009.

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