Culmen International | 14,249 followers on LinkedIn. Accomplishing Critical Missions in Challenging Environments Worldwide | Established in 2004, Culmen International, LLC is a privately held U.S. company with more than twenty years’ experience providing exceptional support to the United States Government (USG), multinational organizations, and foreign partners. Headquartered in Alexandria, VA, with personnel permanently based in over 40 countries, Culmen has accomplished critical missions in more than 155 countries. Culmen enhances global safety and security, strengthens homeland defense, advances humanitarian programs, and supports government operations.