SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.03
BlackSky Technology logo BlackSky Technology Operates a high-revisit Earth observation constellation and AI-powered Spectra platform for real-time geospatial intelligence and automated monitoring vs Epsilon3 Provides AI-powered procedure execution and resource management software for complex engineering, manufacturing, testing, and operations. Epsilon3 logo
HEAD-TO-HEAD1 shared sector
BlackSky Technology Epsilon3
Founded 2014 2021
Headquarters Herndon, Virginia, USA Los Angeles, California, USA
Type public private
Status operating operating
Employees 229 29
Total funding $18.8M
Latest round Series A
Sectors Geospatial Intelligence & Analytics, Earth Observation & Remote Sensing, Satellite Manufacturing Space Software & Mission Tools, Satellite Manufacturing
Products listed 5 6
Federal contracts
Launches
Leaders listed Brian O'Toole, Henry Dubois, Chris Lin Laura Crabtree, Max Mednik, Audrey Fraijo
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do BlackSky Technology and Epsilon3 compare?

Both companies work in Satellite Manufacturing. BlackSky Technology was founded in 2014 and Epsilon3 in 2021.

Which is larger, BlackSky Technology or Epsilon3?

BlackSky Technology reports the larger workforce, with 229 employees versus 29.

Numbers refresh on every render against the live Space Index database. Federal contract data from USAspending.gov; launches from LaunchLibrary2.