About Sigma

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.

"Sigma, the Greek symbol representing the sum of all parts, is our company’s logo and namesake.  It signifies that Sigma is not concentrated within a single intelligence domain, but approaches our customer’s problem-set from the perspective of understanding the optimal ‘end to end’ solution by understanding and taking into account the "sum of all parts"

Sigma Logo1a

Our skilled team of Intelligence, Surveillance, and Reconnaissance (ISR) professionals have demonstrated experience in all segments of our nation’s intelligence infrastructure and are experts at developing, delivering, and implementing cost effective, innovative, end-to-end solutions for our customer’s most mission-critical operational requirements.