Established in 1989, Assistech Inc. is one of the leading information technology proposal support companies in the Washington, D.C. area. Based in McLean, Va., the company offers a range of services, including proposal management, technical writing/editing, oral presentation development, performance-based resumes, past-performance records, graphic designing and publication. In addition, Assistech Inc. specializes in developing presentation scripts, marketing and building presentation slides. The company provides nationwide supports for federal, state, local and commercial proposals. Its list of clients includes CACI, Unisys, L3, Qwest and Computer Sciences Corporation.