Karsun Solutions | 7,369 followers on LinkedIn. The Enterprise Modernization Experts | Karsun Solutions is a fast-growing, innovative, enterprise modernization firm. The Virginia Chamber of Commerce, Washington Business Journal, and Inc. all recognize Karsun Solutions among the fastest-growing companies in the Washington, D.C. region. Karsun teams deliver software development, cloud, and advanced analytics solutions to customers at government agencies including the Department of Homeland Security, Federal Aviation Administration, and General Services Administration.