| Eta Space | Sierra Space | |
|---|---|---|
| Founded | 2019 | 2021 |
| Headquarters | Rockledge, Florida | Louisville, Colorado |
| Type | private | private |
| Status | operating | operating |
| Employees | 10 | 1,072 |
| Total funding | $27.2M | $2.2B |
| Latest round | Grant | Series C |
| Sectors | Space Transportation & Logistics, Lunar Services, Space Propulsion | Satellite Manufacturing, Space Propulsion, Space Stations & Habitats |
| Products listed | 6 | 7 |
| Federal contracts | — | 1 ($6.5M) |
| Launches | — | — |
| Leaders listed | Dr. William Notardonato | Dan Jablonsky, Janet Kavandi, Troy Lahr |
| News mentions | 0 | 0 |
How do Eta Space and Sierra Space compare?
Both companies work in Space Propulsion. Eta Space was founded in 2019 and Sierra Space in 2021.
Which is larger, Eta Space or Sierra Space?
Sierra Space reports the larger workforce, with 1,072 employees versus 10.
Which has more US federal contracts, Eta Space or Sierra Space?
Sierra Space has been awarded more, with $6.5M across 1 awards.