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Hard Tech 132 startups

"Hard Tech" Startups

Every active startup we index tagged "Hard Tech", sorted by score and momentum.

Filter the full directory by this tag →

Last updated

2026-09-02

Hiring right now 1% 1 of 132

Open roles 8

Most-hired discipline Engineering

132 tech startups tagged "Hard Tech" are currently indexed on techstartupslist.com. This page lists every active match, with logos, taglines, and direct links to each company's site — no paywalled middleman. Notable "Hard Tech" startups in the index include 1849 bio, 83 Sciences, 9 Mothers, Advano, and Aerogen Systems. Each profile surfaces team size, founding year, category, and any open roles their careers page is publicly scrapable for. These companies concentrate in Industrials, Hardware, and AI / ML — the categories where this tag shows up most often in our scrape. Geographically, "Hard Tech" lean toward San Francisco, Los Angeles, and Boston, with the rest spread across remote-first teams and other hubs. Y Combinator batches represented here: S26, W22, W21, and S24, among others. 1% of these companies are hiring right now (1 of 132) — a live signal from the jobs we scrape, not a static directory claim; the listing refreshes whenever the scrape runs so tag membership stays current as companies re-tag and new ones appear.

Engineering microbes for miners to unlock billions in trapped metal

Hard TechSynthetic BiologyBiotech

AI-native materials discovery powered by unpublished experimental data

Hard TechAdvanced MaterialsAI

Counter Drone Systems. $1.6m sales. We delivered for the DoW.

Hard TechHardwareGovTech

Advano is a battery technology company that improve the longevity of…

Energy StorageHard TechClimate

Aerogen Systems

Building the future of advanced chip manufacturing.

Hard TechB2BManufacturing

Building systems to remove carbon dioxide from air at industrial scale

Carbon Capture and RemovalHard TechHardware

Decarbonized heat and power cheaper than fossil fuels

Energy StorageHard TechHardware

We make satellites to image everywhere on Earth, every 15 minutes

Hard TechSatellites

Full-stack VLEO satellite missions

Hard TechSatellitesClimate

Andromeda Surgical

Autonomous surgical robots

Hard TechMachine LearningMedical Robotics

Empowering Mass Spec for Biotech and Beyond

Gene TherapyHard TechBiotech

Applied Electrodynamics, Inc.

A new kind of camera that can see through walls.

Hard TechHardwareConstruction

Arlo Industries

Track drones and missiles without radars - Accurate, Passive, Scalable

Hard TechHardwareDefense

We Mine Asteroids

Hard TechRoboticsSpace Exploration

Floating nuclear powered data centers at sea.

Hard TechEnergy

We produce cancer-curing materials used in nuclear medicine.

Hard TechSmall Modular ReactorsMedical Devices

Atomic Industries

Software orchestrated mass production of plastics

Artificial IntelligenceHard TechManufacturing

Gigascale Nanomanufacturing

Hard Tech3D PrintingSemiconductors

Neurostimulation implant to restore hearing & speech understanding

Hard TechNeurotechnologyHealth Tech

AutoPallet Robotics

We make robots that move boxes in warehouses

Hard TechMachine LearningWarehouse Management Tech

The human-in-the-loop system for robots

Hard TechRoboticsInfrastructure

AI chips for ultra-fast training and inference

Hard TechSemiconductorsAI

Hard TechComputer VisionAI

Converting biology into digital molecular maps

Hard TechB2BBiotech

Robots for the inspection and maintenance of data centers

Artificial IntelligenceHard TechHardware

Low-latency AI engine for mobile devices & wearables

Artificial IntelligenceDeveloper ToolsHard Tech

The highest-accuracy global weather data from low-cost flat satellites

Hard TechSpace ExplorationSatellites

Commercial alternative to the Deep Space Network

Hard TechHardwareSaaS

On-Demand Electronics Manufacturing

Hard TechHardwareRobotics

Conductor Quantum

AI that operates quantum computers for scientific discovery

Artificial IntelligenceHard TechMachine Learning

Cosmic Robotics

Autonomous construction on Earth and beyond

Hard TechRoboticsConstruction

AI-native test infrastructure to accelerate hardware companies.

The fully autonomous intelligence layer in the sky.

Artificial IntelligenceHard TechDrones

AI-controlled optical switching for AI clusters

Hard TechSemiconductorsAI

Satellites for Manufacturing in Space

Unified flight software and hardware for the mission of tomorrow

Hard TechDronesSatellites

Multicolor lasers for ultrafast data transmission

Hard TechHardware

Last-mile delivery for satellites.

Commercial Space LaunchHard TechSpace Exploration

Ethos Space Resources

We make Silicon on the Moon.

Hard TechExascale ComputingEnergy

Physical AI for Warehouses and Factories

Artificial IntelligenceAutonomous TruckingHard Tech

Forge Automation

Software Enabled CNC Parts Supplier

Hard TechHardwareRobotics

Frontier Computing

Frontier grows scalable biological brains as an ML training substrate

Artificial IntelligenceHard TechHardware

Enabling li-ion batteries to charge ultra fast without compromising…

Energy StorageHard TechClimate

General Aviation

Fix ATC by connecting aircraft to the internet

Hard TechSatellitesTransportation

AI Physics Engine to replace simulations and prototypes

Artificial IntelligenceHard TechHardware

The Operating System for Maritime

Hard TechSaaSMaritime

Building the world's first fusion power plant

Fusion EnergyHard TechClimate

Force-sensing wristband for training robotic AI

Hard TechHardware

Showing 48 of 132 Filter the directory by this tag →

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1 of 4 similar companies is hiring right now · most common: Engineering

Making Diamond Engineerable

HardwareB2BManufacturing

Shinkei Systems

Robots for longer-lasting, better-tasting fish at scale.

HardwareRoboticsFood Tech

Sygaldry Technologies

quantum-accelerated AI servers

We make carbon negative roads

Carbon Capture and RemovalConstructionClimate

YC S26 startupsAll cohort members Startups in San Francisco2567 indexed Industrials startupsFull category listing

"Hard Tech" startups in San Francisco61 startups "Hard Tech" startups in Los Angeles10 startups "Hard Tech" startups in Boston9 startups "Hard Tech" startups in London7 startups

Frequently asked questions

How many "Hard Tech" startups are indexed?

Our index currently tracks 132 active tech startups tagged "Hard Tech". New entries appear automatically as scrapers discover them; shutdowns are flagged inactive and drop off this listing.

What are the top "Hard Tech" startups?

Among the "Hard Tech" startups indexed here: 1849 bio, 83 Sciences, and 9 Mothers, plus 129 more on this page. Sorting prioritizes curated score, sponsored placements, and trending signals.

Are "Hard Tech" startups hiring right now?

1 of the 132 companies on this page currently have open roles in our jobs index. Open roles link straight to each company's own careers page.

How often is the "Hard Tech" startup list updated?

Automated scrapers refresh this page on the same daily cadence as the rest of the directory. The last index update was 2026-09-02.