SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
Aetherflux logo Aetherflux Develops space-based solar power satellites that collect sunlight in low Earth orbit and transmit energy to portable ground receivers via infrared lasers 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
Aetherflux Epsilon3
Founded 2024 2021
Headquarters San Carlos, California Los Angeles, California
Type private private
Status operating operating
Employees 40 29
Total funding $60M $18.8M
Latest round Series A Series A
Sectors Satellite Manufacturing, In-Space Manufacturing Space Software & Mission Tools, Satellite Manufacturing
Products listed 3 6
Federal contracts
Launches
Leaders listed Baiju Bhatt, Joe Yaffe Laura Crabtree, Max Mednik, Audrey Fraijo
News mentions 0 0
SHARED SECTORS
FREQUENTLY ASKED

How do Aetherflux and Epsilon3 compare?

Both companies work in Satellite Manufacturing. Aetherflux was founded in 2024 and Epsilon3 in 2021.

Which is larger, Aetherflux or Epsilon3?

Aetherflux reports the larger workforce, with 40 employees versus 29.

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