D-Orbit ranks 50 on the Space 100 with a score of 74; Quantum Space ranks 89 with 65. D-Orbit is ahead on deployment, commercials, technology and positioning. Quantum Space is ahead on firepower. Level on production, progress and leverage. D-Orbit is based in Fino Mornasco, Italy, Quantum Space in Rockville, United States. D-Orbit is named in 3 signals and Quantum Space in 29.
D-Orbit operates the ION Satellite Carrier, providing in-space transportation, satellite deployment, hosted payloads and orbital logistics services.
Darker bar: ahead of the other company on that measure.
D-Orbit is an Italian in-space-logistics company whose ION Satellite Carrier is the most-flown commercial orbital transfer vehicle line (multi-mission heritage since 2020, for last-mile deployment and hosted payloads), used by Starfish's Otter Pup as a rendezvous partner twice. It is the EU last-mile logistics incumbent, though its 2026 evidence is partner-side (Starfish, Leaf Space) rather than company releases, with Marubeni among backers. Revenue is estimated at 10-100m (a dedicated financial pass owed).
3 signals name D-Orbit.
21 facts on file.
Quantum Space is developing Ranger and Scout spacecraft for multi-orbit operations, on-orbit refueling, and propellant transfer to satellites in GEO.
Darker bar: ahead of the other company on that measure.
Quantum Space — co-founded by former acting NASA administrator Steve Jurczyk with Kam Ghaffarian IBX orbit — builds Ranger, a large maneuverable spacecraft platform for orbital mobility and space-defense missions, with a first flight targeted mid-2026 and explicit positioning toward cislunar operations and the Golden Dome-era defense market. It acquired electric-propulsion maker Phase Four (September 2025), bringing thrusters in-house, and announced in June 2026 it is going public via SPAC at a ~$1.2B valuation — capital and visibility well ahead of flight heritage. It is the most firepower-heavy pre-flight company in this batch.
29 signals name Quantum Space.
40 facts on file.
D-Orbit ranks 50 on the Space 100 with a score of 74; Quantum Space ranks 89 with 65. D-Orbit is ahead on deployment, commercials, technology and positioning. Quantum Space is ahead on firepower. Level on production, progress and leverage. D-Orbit is based in Fino Mornasco, Italy, Quantum Space in Rockville, United States. D-Orbit is named in 3 signals and Quantum Space in 29.
D-Orbit ranks 50 on the Space 100 with a score of 74; Quantum Space ranks 89 with 65. D-Orbit is ahead on deployment, commercials, technology and positioning. Quantum Space is ahead on firepower. Level on production, progress and leverage. D-Orbit is based in Fino Mornasco, Italy, Quantum Space in Rockville, United States. D-Orbit is named in 3 signals and Quantum Space in 29. Both company files carry the scores on eight measures, the facts with sources and the latest signals.
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