Benchmark Space Systems Designs and manufactures chemical, electric, and hybrid propulsion systems for spacecraft ranging from cubesats to orbital transfer vehicles Exos Aerospace FAA-licensed reusable suborbital launch operator for payload testing, research, and orbital vehicle development 
| Benchmark Space Systems | Exos Aerospace | |
|---|---|---|
| Founded | 2017 | 2014 |
| Headquarters | Burlington, Vermont | Greenville, Texas |
| Type | private | private |
| Status | operating | operating |
| Employees | 45 | — |
| Total funding | $58.1M | $7M |
| Latest round | Venture | Series A |
| Sectors | Space Propulsion, Space Sustainability & Debris Removal, Space Transportation & Logistics | Launch Services, Space Propulsion, Suborbital & High-Altitude |
| Products listed | 21 | 7 |
| Federal contracts | — | — |
| Launches | — | — |
| Leaders listed | Wesley Grove, Ryan McDevitt, Brad Morrison | David Mitchell, John Quinn, Neil Milburn |
| News mentions | 21 | 0 |
How do Benchmark Space Systems and Exos Aerospace compare?
Both companies work in Space Propulsion. Benchmark Space Systems was founded in 2017 and Exos Aerospace in 2014.