OS3
Hiring
What they do:
Affordable, intelligent humanoid robots built to deploy at scale
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HQ: San Francisco, CA, United States
Top Hardware Startups
This list has 176 startups and was last updated on Oct 15, 2026. 46 of them are hiring right now. Biggest hubs: San Francisco (99), New York (8), and London (7). Largest teams: Flock Safety, Mashgin, and CoLab. Latest round: CircuitHub raised $25.5M (May 13, 2026).
176 startupsPage 3 of 5
What they do:
Robotic factories that build robots
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HQ: Emeryville, CA, United States
What they do:
We build micro-drones that kill mosquitoes.
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IMPACT Drones
Hiring
What they do:
Air Defense as a Service for Civilian Infrastructure.
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HQ: San Francisco, CA, United States
What they do:
Building flying wind turbines.
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What they do:
The spot market for semiconductors
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HQ: San Francisco, CA, United States
What they do:
Detect cyber attacks on critical physical infrastructure
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What they do:
The memory computer for your digital life.
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HQ: San Francisco, CA, United States
What they do:
Hardware-Aware AI for Embedded Software
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HQ: San Francisco, CA, United States
What they do:
Your phone finally has someone to run it. Plug in Blue, just ask.
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HQ: San Francisco, CA, United States
What they do:
Hypersonic space plane that can take-off from any location and weather
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HQ: Dayton, OH, 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:
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
Lamb Labs
Hiring
What they do:
Lightning fast chips with hardcoded AI models
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HQ: San Francisco, CA, United States
YC S26Early stage
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:
Applied research lab for hardware design
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HQ: San Francisco, CA, 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 high skilled labor powering AI infrastructure
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HQ: San Francisco, CA, United States
What they do:
Helping physicians select the right therapy for breast cancer patients
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HQ: Austin, TX, United States
What they do:
Optimize performance on GPUs - 10x faster
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HQ: New York, NY, United States
What they do:
Datadog for industrial robots
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HQ: San Francisco, CA, United States
What they do:
We assemble PCBs in under 48 hours for quantities under 10
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HQ: San Francisco, CA, United States
What they do:
The AI equipment manager for post-acute care
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HQ: New York, NY, United States
What they do:
Frontier grows scalable biological brains as an ML training substrate
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HQ: London, United Kingdom
What they do:
Machine intelligence for American Welding
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HQ: Los Angeles, CA, United States
What they do:
Energy independent data centers with solar and repurposed batteries.
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What they do:
AI-automated factory for PCBAs
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What they do:
The market behind AI hardware.
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HQ: San Francisco, CA, United States
What they do:
Evals for robots
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HQ: San Francisco, CA, United States
What they do:
An AI bracelet that remembers your day and acts before you ask.
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HQ: San Francisco, CA, United States
What they do:
100% automated inspection for consumer electronics parts
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HQ: San Francisco, CA, United States
What they do:
Online circuit simulator and electronic schematic editor.
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HQ: San Francisco, CA, United States
What they do:
A robot that makes tea!
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