Tethers Unlimited, Inc.
Space technology company developing robotic arms, propulsion, and in-space servicing systems for satellites and spacecraft.
Tethers Unlimited, Inc. (TUI) is an American aerospace and defense technology company founded in 1994 and headquartered in Bothell, Washington. TUI develops advanced technologies for space, sea, and air applications including software-defined radios, propulsion systems, and robotic manipulators for in-space servicing and assembly. Their flagship KRAKEN robotic arm enables small satellites to perform in-space manufacturing, assembly, and servicing missions.
The company also developed the Terminator Tape passive deorbiting system for satellites and the LEO Knight microsat-class spacecraft integrating servicing tools. TUI became a subsidiary of ARKA Group following acquisition by Amergint Technologies in 2020.
Primary type & automation activities this supplier delivers:
KRAKEN Robotic Arm
Compact 7-DOF robotic arm for in-space assembly, servicing, and manufacturing on small satellites.
Terminator Tape
Passive electrodynamic tether deorbit device for satellite end-of-life disposal.
Contact Tethers Unlimited, Inc.
WEBSITE
https://www.tethers.comPHONE
-1010HEADQUARTERS
United States
Company Facts
Founded
1994
Primary Role
Manufacturer
Company Size
-
Primary Region
North America
Annual Sales
-
Funding Stage
-
Funding Total
-
Research on Facial Nerve Stimulation Shows Potential for Memory Enhancement
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Networks & Digital Warfare artificial intelligence AI contested logistics cyber security cybersecurity logistics
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Embodied Intelligence Robotics Technology Smart Factories Healthcare Robotics
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Arms / Manipulators Autonomous Mobile Robots (AMRs) Energy / Solar / Renewables Manufacturing Mechanical Mining
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Research Reveals Manufacturers Struggle with Data Connectivity Across Systems
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Factory / Digital Transformation
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News
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Global Land Warfare Networks & Digital Warfare Army Asia australia
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Robotics shifted from demos to deployment post-CES 2026, led by China’s humanoid scale, AI robot brains, and accelerating industrial adoption.
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