Sierra Space Alternatives & Competitors
12 companies similar to Sierra Space — Defending Today. Defining Tomorrow.™
Companies similar to Sierra Space
Momentus
Momentus offers the infrastructure services necessary to enable enterprise and human exist...
San Jose, United States
Firefly Aerospace
Enabling our world to launch, land, and orbit in space. Anytime. Anywhere.
Cedar Park, United States
Dawn Aerospace
Delivering scalable and sustainable space transportation.
Christchurch, New Zealand
D-Orbit
New Space Solutions
Fino Mornasco, Italy
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Orbital Matter
The Space Construction Company. We are working on a 3D Printing technology to be used in o...
Warszawa, Poland
Stratolaunch
Advancing high-speed tech through innovative design, manufacturing, and operation of world...
United States
Starfish Space
Building the infrastructure for humanity's expansion into space
Tukwila, United States
SpaceX
SpaceX designs, manufactures and launches the world’s most advanced rockets and spacecraft
Hawthorne, United States
HyImpulse
Developing a small launcher using disruptive technologies to provide low-cost smallsat lau...
Germany
Airbus
Airbus pioneers sustainable aerospace for a safe and united world.
France
Japan
Boeing
Manufacturing commercial airplanes, defense, and space systems.
Arlington, United States
About Sierra Space
Sierra Space, founded in 2021 and headquartered in the United States, is carving a niche as a pivotal entity within the Industrial, Manufacturing, Space, and Transportation sectors. Embodying the slogan "Defending Today. Defining Tomorrow.™", this defense technology powerhouse is acknowledged for its pivotal contributi...
Satellite Design and Manufacturing, Spaceplane Development, Rocket Engines & Propulsion Systems, National Security Mission Support, Environmental Systems for Microgravity
Government and Defense Agencies, Space Exploration Organizations, Commercial Spaceflight Companies, On-Orbit Manufacturing Facilities, Research and Development Laboratories
Defense Tech, Satellite Platforms, Reusable Spaceplanes, Hypersonic Technologies, Propulsion Systems, Space Infrastructure, Space Transportation, Space Commercialization, Orbital Services, Constellation Programs, Solar Power Systems, Life Support Systems, Motion Control Systems, Space Stations, Space-as-a-Service
B2G, B2B, D2C
Product Sales, Service Fee, Project Based
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Compiled from the BounceWatch company index. We last looked at Sierra Space on 15 Sep 2026. The 12 companies listed here were last checked between 8 Jan 2026 and 13 Oct 2026. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.
