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 Sidus Space Designs, manufactures, and operates LizzieSat small satellites, delivering AI-driven space-based data and hardware manufacturing services for defense and commercial customers Sidus Space logo
HEAD-TO-HEAD1 shared sector
Aetherflux Sidus Space
Founded 2024 2012
Headquarters San Carlos, California Florida’s Space Coast, Florida
Type private public
Status operating operating
Employees 40 73
Total funding $60M
Latest round Series A
Sectors Satellite Manufacturing, In-Space Manufacturing Satellite Manufacturing, Earth Observation & Remote Sensing, Space Defense Systems
Products listed 3 3
Federal contracts
Launches
Leaders listed Baiju Bhatt, Joe Yaffe Carol Craig, Mark Mikolajczyk, Val Ojdanic
News mentions 0 9
SHARED SECTORS
FREQUENTLY ASKED

How do Aetherflux and Sidus Space compare?

Both companies work in Satellite Manufacturing. Aetherflux was founded in 2024 and Sidus Space in 2012.

Which is larger, Aetherflux or Sidus Space?

Sidus Space reports the larger workforce, with 73 employees versus 40.

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