17. Attain Growth Rate: 183% HQ: McLean, Va.
Based in McLean, Va., Attain is a leading management, technology, and strategy consulting firm comprised of innovative problem solvers addressing today's complex government, health, and education challenges. The firm combines a legacy of proven performance with forward thinking and the best transformational solutions and services to deliver market leading results. With a nationwide presence, Attain is an agile company with the experience to scale solutions and services to meet clients' needs.
