Eta Space Develops cryogenic propellant management systems for in-space storage, transfer, and refueling, and liquid hydrogen infrastructure for terrestrial energy applications RTX Aerospace and defense conglomerate making aircraft engines, avionics, missiles, air defense systems, and satellites 
| Eta Space | RTX | |
|---|---|---|
| Founded | 2019 | 2020 |
| Headquarters | Rockledge, Florida | United States |
| Type | private | private |
| Status | operating | operating |
| Employees | 10 | 185,000 |
| Total funding | $27.2M | — |
| Latest round | Grant | — |
| Sectors | Space Transportation & Logistics, Lunar Services, Space Propulsion | Space Defense Systems, Satellite Components & Subsystems, Space Propulsion |
| Products listed | 6 | 7 |
| Federal contracts | — | — |
| Launches | — | — |
| Leaders listed | Dr. William Notardonato | — |
| News mentions | 23 | 0 |
How do Eta Space and RTX compare?
Both companies work in Space Propulsion. Eta Space was founded in 2019 and RTX in 2020.
Which is larger, Eta Space or RTX?
RTX reports the larger workforce, with 185,000 employees versus 10.