Portal Space Systems Manufactures solar-thermal-propelled spacecraft buses for high-delta-v, multi-orbit maneuverability and tactically responsive space operations SIERRA LOBO INC Aerospace engineering, manufacturing, and test services for NASA, DoD, and other government programs 
| Portal Space Systems | SIERRA LOBO INC | |
|---|---|---|
| Founded | 2021 | 1993 |
| Headquarters | Bothell, Washington | Fremont, Ohio |
| Type | private | private |
| Status | operating | operating |
| Employees | 22 | — |
| Total funding | $20M | $1.58B |
| Latest round | Seed | Series E |
| Sectors | Space Transportation & Logistics, Satellite Manufacturing, Space Propulsion | Satellite Manufacturing, Space Defense Systems, Space Propulsion |
| Products listed | 3 | 47 |
| Federal contracts | — | 1 ($251.0M) |
| Launches | — | — |
| Leaders listed | Jeff Thornburg, Ian Vorbach, Prashaanth Ravindran | — |
| News mentions | 0 | 10 |
How do Portal Space Systems and SIERRA LOBO INC compare?
Both companies work in Satellite Manufacturing, Space Propulsion. Portal Space Systems was founded in 2021 and SIERRA LOBO INC in 1993.
Which has more US federal contracts, Portal Space Systems or SIERRA LOBO INC?
SIERRA LOBO INC has been awarded more, with $251.0M across 1 awards.