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The Top 50 Hardware Startups That Have Raised Less Than $100 Million

From robots to recycled rockets—here’s what’s getting built.

Author

Chris Barton
May 15, 2025

Hey friends,

We came across this piece a while back, and it’s one we keep coming back to. It’s a thoughtfully compiled list from Hardware is Hard, highlighting 50 hardware startups doing meaningful, often under-the-radar work in the physical world.

Whether you’re building something yourself, looking for a new gig, or just trying to stay connected to what’s happening beyond your bubble, it’s well worth a read.

The Top 50 Hardware Startups That Have Raised Less Than $100 Million

Agile Space Industries

Agile Space Industries is a propulsion solutions provider, specializing in hypergolic propellants.

Agile Space Industries is located in Durango, CO, has 50 employees, and has raised $14 million dollars to date.

Inversion Space

Inversion is developing low-cost, high cadence re-entry vehicles.

Inversion Space is located in Torrance, CA, has 30 employees, and has raised $10 million dollars to date.

Mach Industries

Mach is developing a suite of hydrogen-powered platforms and munitions for the military.

Mach Industries is located in Huntington Beach, CA, has 40 employees, and has raised $85 million dollars to date.

AeroDome

Aerodome is providing drone air support to law enforcement, wildfire protection, and search and rescue.

AeroDome is located in New York, NY, has 16 employees, and has raised $6.5 million dollars to date.

Fabric8 Labs

Fabric8 Labs is leveraging ECAM), a room-temperature 3D metal printing technology to produce complex, dense metal parts without thermal processing.

Fabric8 Labs is located in San Diego, CA, has 60 employees, and has raised $80 million dollars to date.

OptySis

Optisys uses metal 3D printing to build compact, high-performance RF antennas and radar systems.

OptySis is located in West Jordan, UT, has 30 employees, and has raised $15 million dollars to date.

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Happy engineering,

The Drafter Team