Muon Space ranks 20 on the Space 100 with a score of 81; York Space Systems ranks 57 with 72. Muon Space is ahead on deployment, progress, technology, positioning and leverage. York Space Systems is ahead on commercials. Level on production and firepower. Muon Space is based in Mountain View, United States, York Space Systems in Denver, United States. Muon Space: Growth. York Space Systems: Established. Muon Space is named in 65 signals and York Space Systems in 54.
Muon Space designs, builds and operates satellites and spacecraft platforms, including Halo, Quickbeam and Condor-Ultra, for customer constellations.
Darker bar: ahead of the other company on that measure.
Muon Space is a US satellite maker (founded by ex-SpaceX engineer Jonny Dyer) built on a full-stack Mission Foundry model, with 11 satellites flown and a San Jose plant targeting 500 satellites a year by 2027. It raised a $250M Series C in August 2026 at a $1.5B valuation (Eclipse-led, with Google, Salesforce Ventures, and Woven/Toyota), launched the first three operational FireSat wildfire-detection satellites with Google in July 2026, and debuted a higher-power platform aimed at orbital data centers (pathfinder 2028). Revenue, FireSat economics, and the 500-per-year credibility are open.
65 signals name Muon Space.
58 facts on file.
York Space Systems designs and manufactures satellite platforms, including its S-CLASS spacecraft and newly unveiled LX/V-Class very-low-Earth-orbit platform.
Darker bar: ahead of the other company on that measure.
York Space Systems is a US satellite maker (BlackRock and AE Industrial backed) running a standardized bus production line, having completed a second production lot of tactical communication satellites (June 2026) as an SDA proliferated-constellation bus incumbent, plus a new undisclosed national-security contract. Its 2026 guidance was cut ~32% versus target (contracts delayed rather than lost per the company, with a 2027 rebound promised), embodying the risk of program-timing concentration even for production-line winners. Revenue is 100-500m class (private).
54 signals name York Space Systems.
46 facts on file.
Muon Space ranks 20 on the Space 100 with a score of 81; York Space Systems ranks 57 with 72. Muon Space is ahead on deployment, progress, technology, positioning and leverage. York Space Systems is ahead on commercials. Level on production and firepower. Muon Space is based in Mountain View, United States, York Space Systems in Denver, United States. Muon Space: Growth. York Space Systems: Established. Muon Space is named in 65 signals and York Space Systems in 54.
Muon Space ranks 20 on the Space 100 with a score of 81; York Space Systems ranks 57 with 72. Muon Space is ahead on deployment, progress, technology, positioning and leverage. York Space Systems is ahead on commercials. Level on production and firepower. Muon Space is based in Mountain View, United States, York Space Systems in Denver, United States. Muon Space: Growth. York Space Systems: Established. Muon Space is named in 65 signals and York Space Systems in 54. Both company files carry the scores on eight measures, the facts with sources and the latest signals.
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