Radiation Test Solutions Radiation effects testing and analysis of semiconductors for space, airborne, and ground applications Sidus Space Designs, manufactures, and operates LizzieSat small satellites, delivering AI-driven space-based data and hardware manufacturing services for defense and commercial customers 
| Radiation Test Solutions | Sidus Space | |
|---|---|---|
| Founded | 2015 | 2012 |
| Headquarters | United States | Cape Canaveral, Florida |
| Type | private | public |
| Status | operating | operating |
| Employees | 26 | 73 |
| Total funding | — | — |
| Latest round | — | — |
| Sectors | Satellite Components & Subsystems, Space Defense Systems | Satellite Manufacturing, Earth Observation & Remote Sensing, Space Defense Systems |
| Products listed | 24 | 3 |
| Federal contracts | — | — |
| Launches | — | — |
| Leaders listed | — | Carol Craig, Mark Mikolajczyk, Val Ojdanic |
| News mentions | 7 | 9 |
How do Radiation Test Solutions and Sidus Space compare?
Both companies work in Space Defense Systems. Radiation Test Solutions was founded in 2015 and Sidus Space in 2012.
Which is larger, Radiation Test Solutions or Sidus Space?
Sidus Space reports the larger workforce, with 73 employees versus 26.