
Spaceium Inc
What they do:
In-Space Refueling
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This list has 485 startups and was last updated on Oct 15, 2026. 139 of them are hiring right now. Biggest hubs: San Francisco (237), Los Angeles (40), and New York (21). Largest teams: Cruise, Relativity Space, and Tractian. Latest round: HyLight raised €13M (Oct 12, 2026).

What they do:
In-Space Refueling
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What they do:
Automating airport baggage handling with robots.
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HQ: San Francisco, CA, United States

What they do:
Humanoid robots that do your chores for the price of an iPhone!
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HQ: London, United Kingdom

What they do:
Simulation software used by leading battery and automotive companies
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HQ: Remote

What they do:
Building lunar landers
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HQ: London, United Kingdom

What they do:
A Roomba for weeds on a farm.
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HQ: Seattle, WA, United States

What they do:
AI-powered robotics for scientific lab automation.
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HQ: San Francisco, CA, United States

What they do:
The GD&T Analysis Platform for Engineering Drawings
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HQ: San Francisco, CA, United States

What they do:
AI agents for power grid planning 🦑
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HQ: London, United Kingdom

What they do:
Manipulate Anything Robot
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HQ: San Francisco, CA, United States

What they do:
A new kind of camera that can see through walls.
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HQ: San Francisco, CA, United States

What they do:
The most capable American-made humanoid robot for $1,688
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HQ: San Francisco, CA, United States

What they do:
Metal manufacturing, faster, cheaper, and more versatile.
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HQ: Boston, MA, United States

What they do:
Agentic data layer for manufacturing & process industries.
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HQ: San Francisco, CA, United States

What they do:
Nuvola is transforming battery manufacturing, making EV batteries…
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HQ: Los Angeles, CA, United States

What they do:
Make diesel semi trucks hybrid-electric
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HQ: San Francisco, CA, United States

What they do:
We make the world's most efficient aircraft
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What they do:
Smart electric & water meters as a service
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HQ: Remote, OR, United States

What they do:
Emission free hydrogen electric aircraft
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What they do:
Building a nervous system for the atmosphere
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HQ: San Francisco, CA, United States

What they do:
We build floating solar data centers
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HQ: San Francisco, CA, United States

What they do:
Streamlining Data Capture to Report Creation for Heavy Industries
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HQ: San Francisco, CA, United States

What they do:
Applied research lab for hardware design
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HQ: San Francisco, CA, United States

What they do:
AI benchmarks that measure general intelligence and inspire new ideas
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HQ: San Francisco, CA, United States

What they do:
Robots that run autonomous depots for autonomous fleets.
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HQ: San Francisco, CA, United States

What they do:
Annotations for robotics data
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HQ: San Francisco, CA, United States

What they do:
We're building robot birds for surveillance.
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HQ: Los Angeles, CA, United States

What they do:
We turn waste gases into supply-secure chemicals
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HQ: Chicago, IL, United States

What they do:
Nervous System for Physical AI
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HQ: San Francisco, CA, United States

What they do:
Modernizing Chip Manufacturing Infrastructure
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HQ: Ann Arbor, MI, United States

What they do:
Building drone swarms that hunt hidden enemies.
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HQ: San Francisco, CA, United States

What they do:
Robots for waste manipulation
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HQ: Zürich, Switzerland

What they do:
Unmanned cargo airplanes
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HQ: Los Angeles, CA, United States

What they do:
Microgrids in a box built anywhere in days
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HQ: San Francisco, CA, United States

What they do:
Robots for high skilled labor powering AI infrastructure
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HQ: San Francisco, CA, United States

What they do:
Real-time cloud inference for robotics.
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HQ: San Francisco, CA, United States