SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Benchmark Space Systems logo Benchmark Space Systems Designs and manufactures chemical, electric, and hybrid propulsion systems for spacecraft ranging from cubesats to orbital transfer vehicles vs Eta Space Develops cryogenic propellant management systems for in-space storage, transfer, and refueling, and liquid hydrogen infrastructure for terrestrial energy applications Eta Space logo
HEAD-TO-HEAD2 shared sectors
Benchmark Space Systems Eta Space
Founded 2017 2019
Headquarters Burlington, Vermont Rockledge, Florida
Type private private
Status operating operating
Employees 45 10
Total funding $58.1M $27.2M
Latest round Venture Grant
Sectors Space Propulsion, Space Sustainability & Debris Removal, Space Transportation & Logistics Space Transportation & Logistics, Lunar Services, Space Propulsion
Products listed 21 6
Federal contracts
Launches
Leaders listed Wesley Grove, Ryan McDevitt, Brad Morrison Dr. William Notardonato
News mentions 21 0
SHARED SECTORS
FREQUENTLY ASKED

How do Benchmark Space Systems and Eta Space compare?

Both companies work in Space Propulsion, Space Transportation & Logistics. Benchmark Space Systems was founded in 2017 and Eta Space in 2019.

Which is larger, Benchmark Space Systems or Eta Space?

Benchmark Space Systems reports the larger workforce, with 45 employees versus 10.

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