| Busek | Phase Four | |
|---|---|---|
| Founded | 1985 | 2015 |
| Headquarters | 11 Tech Circle, Natick, MA 01760 | Hawthorne, California, USA |
| Type | private | private |
| Status | operating | closed |
| Employees | 107 | 5 |
| Total funding | $200K | $35.8M |
| Latest round | Grant | Series C |
| Sectors | Space Propulsion, Satellite Components & Subsystems | Space Propulsion, Satellite Components & Subsystems |
| Products listed | 9 | 4 |
| Federal contracts | — | — |
| Launches | — | — |
| Leaders listed | Vlad Hruby, James Szabo, John Meikle | Steve Kiser, M. Umair Siddiqui, Simon Halpern |
| News mentions | 0 | 0 |
How do Busek and Phase Four compare?
Both companies work in Space Propulsion, Satellite Components & Subsystems. Busek was founded in 1985 and Phase Four in 2015.
Which is larger, Busek or Phase Four?
Busek reports the larger workforce, with 107 employees versus 5.