Epsilon C5I Information

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.

Website	https://www.epsilonsystems.com/epsilon-c5i
Revenue	$310.8 million
Employees	149 (113 on RocketReach)
Founded	1986
Industry	Defense and Space Manufacturing
Keywords	Software Development, Cyber Security, Software Engineering, Systems Engineering, Cybersecurity Consulting, Training Solutions, Intelligence Solutions, Technology Solutions, Network Security, Systems Integration, Command And Control, It Services, Communications Systems, Computer Systems, Data Analytics, It Consulting, Project Management, Program Management, Defense Contractor, National Security
Competitors	Lockheed Martin, Hewlett Packard Enterprise, Honeywell, Northrop Grumman, RTX, BAE Systems, Thales, L3Harris Technologies, General Dynamics, AgustaWestland +47 more (view full list)

Epsilon C5I Questions

What is the annual revenue of Epsilon C5I?

The Epsilon C5I annual revenue was $310.8 million in 2026.

How many people are employed at Epsilon C5I?

113 people are employed at Epsilon C5I.

Where is Epsilon C5I based?

Epsilon C5I is based in San Diego, California.

Top Epsilon C5I Employees

Matthew Ballard

Principal Software Engineer at Epsilon C5I

Dayton, OH, US
2
- gmail.com
- epsilonsystems.com
4
- +1 937-527-XXXX
- +1 720-290-XXXX
- +1 937-241-XXXX
- +1 937-275-XXXX
John Freudinger

Senior Software Engineer at Epsilon C5I

San Diego, CA, US
1
- epsilonsystems.com
1
- +1 661-878-XXXX
Danielle Bane

RF Modeling and Simulation Engineer at Epsilon C5I

Cincinnati, OH, US
3
- yahoo.com
- gmail.com
- epsilonsystems.com
3
- +1 937-771-XXXX
- +1 937-777-XXXX
- +1 937-751-XXXX
Thomas Zesiger

Aircraft Engineer at Epsilon C5I

Dayton, OH, US
3
- yahoo.com
- apus.edu
- epsilonsystems.com
2
- +1 832-969-XXXX
- +1 937-431-XXXX
Paul Balog

Principal Scientist at Epsilon C5I

Dayton, OH, US
1
- epsilonsystems.com
4
- +1 614-267-XXXX
- +1 614-267-XXXX
- +1 216-721-XXXX
- +1 937-306-XXXX
Brad Dolter

Principal Software Engineer at Epsilon C5I

San Diego, CA, US
3
- msn.com
- epsilonsystems.com
- gmail.com
5+
- +1 908-755-XXXX
- +1 760-747-XXXX
- +1 760-443-XXXX
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Jonathan Havener

Software Engineer at Epsilon C5I

Raleigh, NC, US
1
- gmail.com
2
- +1 407-951-XXXX
- +1 407-463-XXXX
Scott Fraim

Software Engineer at Epsilon C5I

Dayton, OH, US
1
- epsilonsystems.com
3
- +1 937-242-XXXX
- +1 614-862-XXXX
- +1 937-671-XXXX
Cory Joyner

Systems Test Engineer at Epsilon C5I

Tampa, FL, US
2
- epsilonsystems.com
- gmail.com
3
- +1 410-939-XXXX
- +1 443-356-XXXX
- +1 307-575-XXXX
Tyler Kirk

Software Engineer at Epsilon C5I

San Diego, CA, US
2
- sbcglobal.net
- epsilonsystems.com
1
- +1 619-987-XXXX