Insights

Diversified Defense SOSi is a private, founder-led defense and government solutions firm with a broad technology focus spanning data science, software development, network engineering, ISR, language services, and logistics, presenting multiple cross-sell opportunities across DoD, DoJ, and federal civilian agencies.

Award-Winning Leadership CEO Julian Setian recently received the 2026 Wash100 Award, signaling strong leadership and market credibility that can be leveraged to secure larger multi-year contracts and expand account footprints in defense, intelligence, and federal civilian sectors.

Expanding DoJ Footprint Significant contract activity with the U.S. Department of Justice EOIR valued up to $875 million indicates readiness to pursue additional immigration, homeland security, and defense-related initiatives within federal agencies through continued relationships and expanded scope.

Veteran-Powered Capabilities With more than a quarter of the workforce consisting of veterans, SOSi emphasizes mission-focused capabilities and security-cleared expertise, aligning well with government programs prioritizing veteran-led teams and trusted, mission-critical delivery.

Executive Hiring Momentum Recent hires in senior business development and national security roles, along with leadership promotions, signal a strategic push to expand in defense, intelligence, and state/federal law enforcement markets, creating ready avenues for partner engagements and capture strategies.

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SOSi Tech Stack

SOSi uses 8 technology products and services including Hotjar, Amazon Web Services, Docker, and more. Explore SOSi's tech stack below.

Hotjar
Analytics
Amazon Web Services
Cloud Hosting
Docker
Containerization
CookieYes
Cookie Compliance
Prometheus
Data Management
Oracle PeopleSoft
Human Resource Management System
ArcGIS
Visualisation Software
Piwik PRO Core
Web Analytics

Media & News

SOSi's Email Address Formats

SOSi uses at least 4 email formats:

SOSi Email Formats	Example	Percentage
First.Last@sosi.com	John.Doe@sosi.com	95%
FLast@sosi.com	JDoe@sosi.com	3%
First.L@sosi.com	John.D@sosi.com	1%
LastF@sosi.com	DoeJ@sosi.com	1%

Frequently Asked Questions

What is SOSi's phone number?

You can contact SOSi's main corporate office by phone at

+1-703-391-****

. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is SOSi's stock symbol?

SOSi is a publicly traded company; the company's stock symbol is SOSI1.HE.

What is SOSi's official website and social media links?

SOSi's official website is sosi.com and has social profiles on LinkedIn.

How much revenue does SOSi generate?

As of October 2026, SOSi's annual revenue is estimated to be $250M - $500M.

What is SOSi's SIC code and NAICS code?

SOSi's SIC code is 3761 - Guided Missiles and Space Vehicles and NAICS code is 336414 - Guided Missile and Space Vehicle Manufacturing.

How many employees does SOSi have currently?

As of October 2026, SOSi has approximately 3.2K employees across 6 continents, including North America, Asia and Europe. Key team members include Chief Engineer: M. R., Vice President / Senior Vice President For Civil & Homeland Solutions: C. O. and Vice President Information Technology: A. B. Explore SOSi's employee directory with LeadIQ.

What industry does SOSi belong to?

SOSi operates in the Defense and Space Manufacturing industry.

What technology does SOSi use?

SOSi's tech stack includes Hotjar, Amazon Web Services, Docker, CookieYes, Prometheus, Oracle PeopleSoft, ArcGIS and Piwik PRO Core.

What is SOSi's email format?

SOSi's email format typically follows the pattern of First.Last@sosi.com. Find more SOSi email formats with LeadIQ.

When was SOSi founded?

SOSi was founded in 1989.

SOSi

Q: What is SOSi's official website and social media links?

SOSi's official website is sosi.com. SOSi has social profiles on LinkedIn.

Q: How many employees does SOSi have currently?

SOSi has approximately 3.2K employees.

Q: What technology does SOSi use?

SOSi's tech stack includes QuickBooks, Concrete CMS, Immunity CANVAS, iOS, AWS GovCloud.

Q: What is SOSi's NAICS code?

SOSi's NAICS code is 336414 (Guided Missile and Space Vehicle Manufacturing).

Defense and Space ManufacturingVirginia, United States1001-5000 Employees

SOSi, based in Reston, Virginia, operates in the defense and space manufacturing sector, providing technology-enabled mission support to clients in aerospace, defense, and government services. The company focuses on delivering technology and mission solutions to help clients meet contemporary mission challenges. It is a mid-sized organization with a substantial workforce serving a diverse set of government and defense customers. Its client base spans federal agencies across the aerospace, defense, and government services sectors, for whom it addresses complex mission requirements. In January 2026, SOS International, LLC, known as SOSi, was awarded a contract by the U.S. Department of Justice, Executive Office for Immigration Review, to support its mission-related needs.