Insights

Growing Government Contracts SOSi recently secured a significant contract with the U.S. Department of Justice valued at up to 875 million USD, highlighting their expanding footprint in federal civil and defense sectors. This indicates strong current government demand and potential for further contract opportunities within federal agencies.

Leadership and Industry Recognition CEO Julian Setian received the 2026 Wash100 Award for transforming SOSi into a diversified provider of advanced mission systems. This leadership recognition can serve as a compelling differentiator when positioning SOSi’s innovative solutions to potential clients seeking experienced and reputable partners.

Strategic Talent Acquisitions SOSi has recently hired senior executives with backgrounds in homeland security, defense, and law enforcement. These key additions suggest an active effort to expand capabilities in law enforcement and national security, presenting opportunities to position specialized solutions to similar agencies and departments.

Technology and Security Focus Utilizing a modern tech stack including Nessus, MySQL, Node.js, and Express.js, SOSi demonstrates a commitment to leveraging advanced technologies for mission-critical operations. This technical sophistication could be leveraged to offer cybersecurity, data analytics, and tech modernization solutions to clients with complex security needs.

Market Positioning and Revenue With revenues estimated between 100 million and 250 million USD and a workforce of up to 5,000 employees, SOSi is positioned as a mid-sized but significant player in the defense and space manufacturing industry. This size and scale suggest opportunities for tailored service offerings and partnership models with similar-sized clients or larger primes seeking subcontractors.

SOSi Tech Stack

SOSi uses 8 technology products and services including Nessus, MySQL, Twemoji, and more. Explore SOSi's tech stack below.

  • Nessus
    Application Security Testing
  • MySQL
    Database
  • Twemoji
    Font Scripts
  • Modernizr
    Javascript Libraries
  • jQuery Migrate
    Javascript Libraries
  • Node.js
    Programming Languages
  • Express.js
    Web Frameworks
  • OptinMonster plugin
    Web Platform Extensions

Media & News

SOSi's Email Address Formats

SOSi uses at least 1 format(s):
SOSi Email FormatsExamplePercentage
First.Last@sosi.comJohn.Doe@sosi.com
95%
FLast@sosi.comJDoe@sosi.com
3%
First.L@sosi.comJohn.D@sosi.com
1%
LastF@sosi.comDoeJ@sosi.com
1%

Frequently Asked Questions

Where is SOSi's headquarters located?

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SOSi's main headquarters is located at 1881 Campus Commons Drive Suite 500 Reston, Virginia United States. The company has employees across 6 continents, including North AmericaAsiaEurope.

What is SOSi's phone number?

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

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

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

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

How much revenue does SOSi generate?

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As of April 2026, SOSi's annual revenue is estimated to be $100M.

What is SOSi's SIC code NAICS code?

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

How many employees does SOSi have currently?

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As of April 2026, SOSi has approximately 3K employees across 6 continents, including North AmericaAsiaEurope. Key team members include Chief Executive Officer: K. M.Chief Executive Officer: J. S.Chief Growth Officer: J. E.. Explore SOSi's employee directory with LeadIQ.

What industry does SOSi belong to?

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SOSi operates in the Defense and Space Manufacturing industry.

What technology does SOSi use?

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SOSi's tech stack includes NessusMySQLTwemojiModernizrjQuery MigrateNode.jsExpress.jsOptinMonster plugin.

What is SOSi's email format?

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

When was SOSi founded?

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SOSi was founded in 1989.

SOSi

Defense and Space ManufacturingVirginia, United States1001-5000 Employees

SOSi solves the challenges of the modern mission. A leader in delivering transformational and trusted technology and mission solutions, SOSi supports clients across the aerospace, defense, and government services industry. 

Where others see the size of the challenge, we succeed at delivering solutions! #ChallengeAccepted

--

Fraud Alert:
 
Recruitment fraud is a growing trend where fraudsters impersonate SOSi and its employees to deceive job seekers with fake employment opportunities. These scams typically involve fake job postings, unauthorized email accounts, or forged documents claiming to be from SOSi. The intent is to gain access to your personal information, including banking details, credit card numbers, or social security numbers.
 
Please be aware that all legitimate SOSi communications come from official @sosi.com or @sosi.us email addresses, and we never request personal information during initial contact. Our official careers site can be found at sosi.com/careers and our corporate site at sosi.com.
 
If you receive a suspicious job offer claiming to be from SOSi, contact us directly at careers@sosi.com to verify its legitimacy.

Section iconCompany Overview

Headquarters
1881 Campus Commons Drive Suite 500 Reston, Virginia United States
Phone number
Website
sosi.com
SIC Code
3761 - Guided Missiles and Space Vehicles
Stock Symbol
SOSI1.HE
NAICS Code
336414 - Guided Missile and Space Vehicle Manufacturing
Founded
1989
Employees
1001-5000

Section iconFunding & Financials

  • $100M$250M

    SOSi's revenue is estimated to be in the range of $100M$250M

Section iconFunding & Financials

  • $100M$250M

    SOSi's revenue is estimated to be in the range of $100M$250M

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