Northrop Grumman Builds military and science satellites, the Cygnus resupply spacecraft, solid rocket motors, and the Sentinel ICBM Sierra Space Designs and manufactures satellite platforms, reusable spaceplanes, expandable habitats, and propulsion systems for national security and civil space 
| Northrop Grumman | Sierra Space | |
|---|---|---|
| Founded | 1939 | 2021 |
| Headquarters | Falls Church, Virginia | Louisville, Colorado |
| Type | public | private |
| Status | operating | operating |
| Employees | — | 1,072 |
| Total funding | — | $2.2B |
| Latest round | — | Series C |
| Sectors | Space Defense Systems, Satellite Manufacturing, Space Propulsion | Satellite Manufacturing, Space Propulsion, Space Stations & Habitats |
| Products listed | 0 | 7 |
| Federal contracts | 25 ($21.07B) | 1 ($6.5M) |
| Launches | 93 (92%) | — |
| Leaders listed | — | Dan Jablonsky, Janet Kavandi, Troy Lahr |
| News mentions | 3 | 0 |
National Aeronautics and Space Administration
How do Northrop Grumman and Sierra Space compare?
Both companies work in Satellite Manufacturing, Space Propulsion. Northrop Grumman was founded in 1939 and Sierra Space in 2021.
Which has more US federal contracts, Northrop Grumman or Sierra Space?
Northrop Grumman has been awarded more, with $21.07B across 25 awards.
Which has more launches, Northrop Grumman or Sierra Space?
Northrop Grumman leads with 93 tracked launches (92% success rate).
What do Northrop Grumman and Sierra Space have in common?
Northrop Grumman and Sierra Space both hold federal contracts with National Aeronautics and Space Administration.