SOS International LLC

SOS International LLC (SOSi) provides technology, intelligence, language, and logistics services to U.S. and allied government customers, including defense and intelligence agencies. The privately held firm, founded in 1989 and headquartered in Reston, Virginia, delivers data science, software, cybersecurity, ISR, and enterprise IT solutions under government contracts across operations in multiple countries. Its work spans systems engineering, secure information sharing, and mission support for combatant commands and law-enforcement partners.