Open Software Integrators is a Big Data consulting and services company specializing in Hadoop, Cassandra, MongoDB and many other open source technologies. OSI was founded in 2008 by open source software developer, evangelist and now president, Andrew C. Oliver. We are based in Durham, NC and operate nationally. 

At OSI we approach each opportunity with professionalism, experience and a commitment to your specific goals. As new technologies emerge, OSI makes it a priority to be fully trained and knowledgeable to meet the market needs. Our clients range from start-ups to Fortune 5 companies around the globe; each with unique projects that require creative solutions.

OSI is part of two booming communities and in our mind community comes first. Whether we are contributing to local non-profits, sponsoring the arts or supporting local food trucks and restaurants; we make it our mission to actively engage and serve the people around us.