SPACE INDEX COMPANIES INSIGHTS SECTORS PRODUCTS NEWS BLOG ANSWERS RESEARCH ABOUT FOR COMPANIES BUILD / 2026.06.04
K2 Space logo K2 Space Designs and manufactures large-scale, high-power satellite platforms with in-house electric propulsion and avionics for multi-orbit missions 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
K2 Space Sidus Space
Founded 2022 2012
Headquarters Torrance, California Florida’s Space Coast, Florida
Type private public
Status operating operating
Employees 159 73
Total funding $429M
Latest round Series C
Sectors Satellite Manufacturing, Satellite Components & Subsystems, Space Propulsion Satellite Manufacturing, Earth Observation & Remote Sensing, Space Defense Systems
Products listed 3 3
Federal contracts
Launches
Leaders listed Karan Kunjur, Neel Kunjur, John Plumb Carol Craig, Mark Mikolajczyk, Val Ojdanic
News mentions 0 9
SHARED SECTORS
FREQUENTLY ASKED

How do K2 Space and Sidus Space compare?

Both companies work in Satellite Manufacturing. K2 Space was founded in 2022 and Sidus Space in 2012.

Which is larger, K2 Space or Sidus Space?

K2 Space reports the larger workforce, with 159 employees versus 73.

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