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Orbit Fab

Building the in-space propellant supply chain with refueling services and hardware.

Last updated September 1, 2026

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Overview

Orbit Fab is an aerospace company founded in 2018 to eliminate the single-use spacecraft paradigm with in-space refueling. It has resupplied water to the ISS, launched the first commercial fuel depot into LEO, and developed the RAFTI refueling interface. The company has signed commercial and U.S. Government fuel delivery deals, including a $13.3 million contract with the U.S. Space Force.

History

Orbit Fab was founded in 2018 to eliminate the single-use spacecraft paradigm with in-space refueling. In 2019, it became the first private company to resupply water to the ISS. In 2021, it launched the first commercial fuel depot into LEO, received investment from Lockheed Martin and Northrop Grumman, and signed a research agreement with the U.S. Air Force Research Laboratory. In 2022, it signed the first commercial refueling services deal and the first U.S. DoD refueling services contract, and opened a UK office. In 2023, it secured Series A funding. In 2024, RAFTI earned flight qualification and became commercially available, the first GRIP was delivered, the first UK Space Agency contract was signed, and the U.S. Space Force approved RAFTI as an accepted refueling interface.

Products and positioning

First commercial spacecraft refueling service provider, targeting government and commercial satellites.

  • RAFTI

    Refueling interface for spacecraft

  • GRIP

    Hardware product

  • UMPIRE

    Mission planning software

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