Mark A. Tanner

Federal Bureau of Investigation provides security and crime-fighting services. It specializes in terrorism, public corruption, cyber crime, and violent crimes. The company was founded in 1908 and is headquartered in Washington, DC.

INDUS Corp. provides information technology services. It offers services to federal civilian, homeland security, defense and intelligence organizations. The firm's solutions include business analytics, critical infrastructure protection, enterprise IT modernization, health IT, information transport systems and network defense, open government, secure infrastructure and software applications management. The company was founded by Shiv Krishnan in 1993 and is headquartered in Vienna, VA.