Insights

Niche Market Focus Epsilon C5I specializes in providing advanced software development, systems engineering, and cybersecurity solutions for Command, Control, Communications, Computers, Combat systems, and Intelligence (C5I) within the defense and space sectors, presenting targeted opportunities for technology upgrades and modernization projects.

Growing Leadership Team The recent appointment of a retired navy officer as EVP indicates strategic leadership expansion, which signals potential for increased business development efforts and expanded operational capacity in defense contracts.

Focused Revenue Range With annual revenues between 25 to 50 million dollars, Epsilon C5I fits within a lucrative niche of mid-sized defense contractors, suggesting opportunities for scalable, project-based sales and contract expansions.

Technology Integration Their use of diverse tech stacks including GitLab CI, scikit-learn, and Autodesk highlights a strong emphasis on leveraging modern development tools and AI, creating avenues for offering innovative solutions or collaboration in cutting-edge defense technologies.

Market Positioning As a subsidiary of Epsilon Systems Solutions, Epsilon C5I leverages its parent company's reputation and resources, providing potential pathways for joint ventures, strategic partnerships, or targeted procurement opportunities within the defense industry.

Epsilon C5I Tech Stack

Epsilon C5I uses 8 technology products and services including GitLab CI, Font Awesome, scikit-learn, and more. Explore Epsilon C5I's tech stack below.

  • GitLab CI
    Continuous Integration
  • Font Awesome
    Font Scripts
  • scikit-learn
    Machine Learning
  • Microsoft
    Miscellaneous
  • Windows Server 2012
    Operating Systems
  • PHP
    Programming Languages
  • JavaScript
    Programming Languages
  • Autodesk
    Visualisation Software

Epsilon C5I's Email Address Formats

Epsilon C5I uses at least 1 format(s):
Epsilon C5I Email FormatsExamplePercentage
FLast@epsilonsystems.comJDoe@epsilonsystems.com
95%
FirstLast@epsilonsystems.comJohnDoe@epsilonsystems.com
4%
First.Last@epsilonsystems.comJohn.Doe@epsilonsystems.com
1%

Frequently Asked Questions

Where is Epsilon C5I's headquarters located?

Minus sign iconPlus sign icon
Epsilon C5I's main headquarters is located at San Diego, California United States. The company has employees across 1 continents, including North America.

What is Epsilon C5I's official website and social media links?

Minus sign iconPlus sign icon
Epsilon C5I's official website is epsilonsystems.com and has social profiles on LinkedIn.

What is Epsilon C5I's SIC code NAICS code?

Minus sign iconPlus sign icon
Epsilon C5I's SIC code is 3761 - Guided Missiles and Space Vehicles NAICS code is 336414 - Guided Missile and Space Vehicle Manufacturing.

How many employees does Epsilon C5I have currently?

Minus sign iconPlus sign icon
As of February 2026, Epsilon C5I has approximately 124 employees across 1 continents, including North America. Key team members include Chief Scientist: A. I.Director: B. S.Senior Logistics Manager: D. F.. Explore Epsilon C5I's employee directory with LeadIQ.

What industry does Epsilon C5I belong to?

Minus sign iconPlus sign icon
Epsilon C5I operates in the Defense and Space Manufacturing industry.

What technology does Epsilon C5I use?

Minus sign iconPlus sign icon
Epsilon C5I's tech stack includes GitLab CIFont Awesomescikit-learnMicrosoftWindows Server 2012PHPJavaScriptAutodesk.

What is Epsilon C5I's email format?

Minus sign iconPlus sign icon
Epsilon C5I's email format typically follows the pattern of FLast@epsilonsystems.com. Find more Epsilon C5I email formats with LeadIQ.

When was Epsilon C5I founded?

Minus sign iconPlus sign icon
Epsilon C5I was founded in 1986.

Epsilon C5I

Defense and Space ManufacturingCalifornia, United States51-200 Employees

Epsilon C5I, Inc. is a team of nearly 150 experienced engineers and intelligence professionals that provide software development, systems engineering, cyber security, and training solutions to support Command, Control, Communications, Computers, Combat systems, and Intelligence (C5I) systems.
Epsilon C5I is a wholly owned subsidiary of Epsilon Systems Solutions, Inc.

Section iconCompany Overview

Headquarters
San Diego, California United States
SIC Code
3761 - Guided Missiles and Space Vehicles
NAICS Code
336414 - Guided Missile and Space Vehicle Manufacturing
Founded
1986
Employees
51-200

Section iconFunding & Financials

  • $25M$50M

    Epsilon C5I's revenue is estimated to be in the range of $25M$50M

Section iconFunding & Financials

  • $25M$50M

    Epsilon C5I's revenue is estimated to be in the range of $25M$50M

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.