Defense Studies Institute (DSI) provides government contracting support for prime defense contractors and small businesses. DSI promotes understanding and mastery of the defense contracting and acquisition processes. DSI hosts educational conferences and symposiums where defense contractors and small businesses gain insight into various aspects of government contracting. To assist defense contractors, DSI publishes numerous helpful guidebooks. These easy-to-read guidebooks clarify and explain the defense contracting process. Our informative guidebooks can help your company get started with government contracting. These guidebooks show you how to grow your volume of business with the Department of Defense (DoD).