| Phase Four | Zeno Power | |
|---|---|---|
| Founded | 2015 | 2018 |
| Headquarters | Hawthorne, California | Washington, District of Columbia |
| Type | private | private |
| Status | closed | operating |
| Employees | 5 | 79 |
| Total funding | $35.8M | $94.9M |
| Latest round | Series C | Series B |
| Sectors | Space Propulsion, Satellite Components & Subsystems | Satellite Components & Subsystems, Lunar Services, Space Propulsion |
| Products listed | 4 | 2 |
| Federal contracts | — | — |
| Launches | — | — |
| Leaders listed | Steve Kiser, M. Umair Siddiqui, Simon Halpern | Tyler Bernstein, Jonathan Segal, Jacob Matthews |
| News mentions | 0 | 0 |
How do Phase Four and Zeno Power compare?
Both companies work in Space Propulsion, Satellite Components & Subsystems. Phase Four was founded in 2015 and Zeno Power in 2018.
Which is larger, Phase Four or Zeno Power?
Zeno Power reports the larger workforce, with 79 employees versus 5.