Interstellar Technologies Japanese rocket and satellite company developing small launch vehicles and constellation satellites Portal Space Systems Manufactures solar-thermal-propelled spacecraft buses for high-delta-v, multi-orbit maneuverability and tactically responsive space operations 
| Interstellar Technologies | Portal Space Systems | |
|---|---|---|
| Founded | 2013 | 2021 |
| Headquarters | Taiki, Japan | Bothell, Washington |
| Type | private | private |
| Status | operating | operating |
| Employees | 347 | 22 |
| Total funding | — | — |
| Latest round | — | Series A |
| Sectors | Launch Services, Satellite Components & Subsystems, Satellite Manufacturing | Space Transportation & Logistics, Satellite Manufacturing, Space Propulsion |
| Products listed | 3 | 3 |
| Federal contracts | — | — |
| Launches | 8 (38%) | — |
| Leaders listed | — | Jeff Thornburg, Ian Vorbach, Prashaanth Ravindran |
| News mentions | 37 | 25 |
How do Interstellar Technologies and Portal Space Systems compare?
Both companies work in Satellite Manufacturing. Interstellar Technologies was founded in 2013 and Portal Space Systems in 2021.
Which is larger, Interstellar Technologies or Portal Space Systems?
Interstellar Technologies reports the larger workforce, with 347 employees versus 22.
Which has more launches, Interstellar Technologies or Portal Space Systems?
Interstellar Technologies leads with 8 tracked launches (38% success rate).