Portal Space Systems Manufactures solar-thermal-propelled spacecraft buses for high-delta-v, multi-orbit maneuverability and tactically responsive space operations The Exploration Company Munich-based startup developing the Nyx family of reusable, refillable spacecraft for LEO and lunar missions 
| Portal Space Systems | The Exploration Company | |
|---|---|---|
| Founded | 2021 | 2021 |
| Headquarters | Bothell, Washington | Germany, Germany |
| Type | private | private |
| Status | operating | operating |
| Employees | 22 | 450 |
| Total funding | — | — |
| Latest round | Series A | Series B |
| Sectors | Space Transportation & Logistics, Satellite Manufacturing, Space Propulsion | Launch Services, Space Stations & Habitats, Space Transportation & Logistics |
| Products listed | 3 | 1 |
| Federal contracts | — | — |
| Launches | — | — |
| Leaders listed | Jeff Thornburg, Ian Vorbach, Prashaanth Ravindran | — |
| News mentions | 25 | 3 |
How do Portal Space Systems and The Exploration Company compare?
Both companies work in Space Transportation & Logistics. Portal Space Systems was founded in 2021 and The Exploration Company in 2021.
Which is larger, Portal Space Systems or The Exploration Company?
The Exploration Company reports the larger workforce, with 450 employees versus 22.