Epic Aerospace Space tug developer building reusable in-space propulsion systems for satellite repositioning Sierra Space Designs and manufactures satellite platforms, reusable spaceplanes, expandable habitats, and propulsion systems for national security and civil space 
| Epic Aerospace | Sierra Space | |
|---|---|---|
| Founded | 2019 | 2021 |
| Headquarters | United States | Louisville, Colorado |
| Type | private | private |
| Status | operating | operating |
| Employees | — | 1,072 |
| Total funding | — | $2.2B |
| Latest round | Seed | Series C |
| Sectors | Space Propulsion, In-Orbit Servicing & Assembly, Satellite Components & Subsystems | Satellite Manufacturing, Space Propulsion, Space Stations & Habitats |
| Products listed | 6 | 7 |
| Federal contracts | — | 1 ($6.5M) |
| Launches | — | — |
| Leaders listed | IGNACIO BELIERES MONTERO, LUCA ESTEBENET, GERVASIO TIBERIO | Dan Jablonsky, Janet Kavandi, Troy Lahr |
| News mentions | 10 | 0 |
How do Epic Aerospace and Sierra Space compare?
Both companies work in Space Propulsion. Epic Aerospace was founded in 2019 and Sierra Space in 2021.
Which has more US federal contracts, Epic Aerospace or Sierra Space?
Sierra Space has been awarded more, with $6.5M across 1 awards.