Sigma Defense Systems LLC (formerly Sigma Defense Systems, Inc founded in 2006) delivers innovative engineering, system integration, program management, and logistical solutions to the Department of Defense (DoD) and other National Intelligence agencies.  

Sigma is a premier provider of integrated technical solutions that encompass ground, air, and space-based Intelligence, Surveillance, and Reconnaissance (ISR) systems and sensors.

Sigma and its employees take great pride in consistently delivering the highest quality products and technical services to our government customers.