Insights

Security focus Six3Systems operates in national security and defense with emphasis on Cyber Security, Intelligence Surveillance and Reconnaissance (ISR), and Biometrics and Identity Intelligence, presenting opportunities to cross-sell integrated security solutions, identity management, and secure data analytics to federal agencies.

Federal appeal Target federal government prospects across the Intelligence Community, Department of Defense, and Civilian agencies by aligning offerings to mission-critical needs in cyber resilience, ISR capabilities, and biometrics, leveraging existing domain expertise and national security credentials.

Growing footprint With a small team yet focused niche, there is potential to scale engagements through strategic partnerships, subcontracting arrangements, or program expansions with larger primes that require specialized capabilities in cyber, ISR, and identity solutions.

Tech alignment Current tech stack including AWS and related cloud and web technologies indicates readiness for cloud-based security workloads, secure data platforms, and scalable analytics, suggesting opportunities to offer cloud migration, security hardening, and data governance services.

Revenue momentum Revenue in the low eight figures range and a competitive market landscape with large integrators suggests upsell opportunities in larger, multi-year contracts, as well as pursuing higher-margin services such as advanced cyber defense, identity verification, and integrated ISR solutions.

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Six3Systems Tech Stack

Six3Systems uses 8 technology products and services including Amazon Web Services, RSS, WordPress, and more. Explore Six3Systems's tech stack below.

  • Cloud Hosting
  • RSS
    Content Management System
  • Content Management System
  • Amazon ALB
    Load Balancers
  • Priority Hints
    Performance
  • PHP
    Programming Languages
  • Apache HTTP Server
    Web Servers
  • Sitelinks Search Box
    Web Tools And Plugins

Six3Systems's Email Address Formats

Six3Systems uses at least 2 email formats:
Six3Systems Email FormatsExamplePercentage
FLast@harding-security.comJDoe@harding-security.com
89%
First.Last@harding-security.comJohn.Doe@harding-security.com
11%

Frequently Asked Questions

What is Six3Systems's official website and social media links?

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Six3Systems's official website is harding-security.com and has social profiles on LinkedIn.

How much revenue does Six3Systems generate?

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As of August 2026, Six3Systems's annual revenue is estimated to be $1M - $10M.

What is Six3Systems's SIC code and NAICS code?

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Six3Systems'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 Six3Systems have currently?

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As of August 2026, Six3Systems has approximately 38 employees across 3 continents, including North America, Asia and Europe. Key team members include Sigint Collection Manager: L. W., Senior Software Developer Lead: M. C. and Assistant City Manager: T. P. Explore Six3Systems's employee directory with LeadIQ.

What industry does Six3Systems belong to?

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Six3Systems operates in the Defense and Space Manufacturing industry.

What technology does Six3Systems use?

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Six3Systems's tech stack includes Amazon Web Services, RSS, WordPress, Amazon ALB, Priority Hints, PHP, Apache HTTP Server and Sitelinks Search Box.

What is Six3Systems's email format?

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Six3Systems's email format typically follows the pattern of FLast@harding-security.com. Find more Six3Systems email formats with LeadIQ.

When was Six3Systems founded?

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Six3Systems was founded in 2009.
Six3Systems logo

Six3Systems

Defense and Space ManufacturingVirginia, United States11-50 Employees

Six3 Systems operates in the national security and defense sector, delivering mission-critical solutions and services to federal customers. The company concentrates on three core areas within the federal government—cyber security, intelligence surveillance and reconnaissance, and biometrics and identity intelligence.

Based in Tysons, Virginia, the firm positions itself as a small provider serving intelligence agencies, the Department of Defense, and civilian government bodies. Its offerings are designed to support secure networks, intelligence collection, and identity assurance for federal programs. Within the defense and space manufacturing landscape, the company is characterized by its specialized focus on federal mission areas rather than broader commercial markets.

Section iconCompany Overview

SIC Code
3761 - Guided Missiles and Space Vehicles
NAICS Code
336414 - Guided Missile and Space Vehicle Manufacturing
Founded
2009
Employees
11-50

Section iconFunding & Financials

  • $1M - $10M

    Six3Systems's revenue is estimated to be in the range of $1M - $10M

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