Sigma Defense

Employee Size

501-1,000

Organization Type

Self-Owned

Headquarters

Lexington Park, MD

Founded in 2006 and headquartered in Perry, Georgia, Sigma Defense develops defense technology and mission systems that move data, software and intelligence from command networks to the tactical edge. Its work spans C5ISR integration, secure software delivery and cyber-electronic warfare training, with products such as the Olympus ecosystem and Aries tactical surveillance solutions supporting U.S. military customers. Nearly half of its team has served in uniform, and the company’s Sigma Software Studio holds Authority to Operate from the U.S. Navy and Marine Corps.

• Ultra I&CUltra I&C develops mission-critical defense technology that secures, moves and interprets data for operators in contested environments. Its work spans AI-enabled command-and-control software, resilient tactical communications and military-grade cryptography, with products such as the Rain intelligence-fusion platform and Knox edge processors supporting decisions from the frontline to command centers. Operating across locations in the United States and United Kingdom, Ultra I&C has been trusted by defense forces and allies worldwide for decades.ROCKVILLE, MD
• Ultra I&CUltra I&C develops mission software, tactical communications and cryptographic systems that help defense forces secure, move and interpret critical data in contested environments. Its command-and-control platforms turn inputs from sensors and partner networks into a shared operational picture, while its communications and encryption technologies keep information moving from the edge to command centers. With operations across the United States and United Kingdom, the company has been advancing defense technology for decades and is scaling production of its open-architecture Knox processors for unmanned aircraft and other tactical platforms.LANCASTER, PA
• Mission Solutions GroupFounded by military and defense-industry veterans who came together through the $40 billion MRAP program, Mission Solutions Group designs and deploys intelligence, infrastructure, and cybersecurity solutions for secure information exchange. Based in North Charleston, the company brings more than 150 years of combined defense experience to work ranging from mission-critical communications infrastructure to cyber risk and security support. MSG is an ISO 9001:2015-certified small-business prime contractor on Navy SeaPort-NxG.HOLLYWOOD, MD
• L3Harris TechnologiesL3Harris Technologies develops and manufactures defense technology and mission systems that connect space, air, land, sea and cyber operations. Its work ranges from spacecraft and missile-defense systems to tactical radios, electronic-warfare equipment and undersea training systems, including a 50,000-square-foot maritime production facility opened in Rhode Island in 2026. The company traces a century of innovation and has maintained a Rhode Island presence since 1991.335313PHILADELPHIA, PA