MentionFox lists 70 Hardware and semiconductor companies for 2025. Of them, 33 are Y Combinator companies (the newest batch here is Fall 2025, with 5); 1 filed a Form D notice with the SEC; 36 won an SBIR or STTR award. The median SBIR or STTR award in the table is $1.5M, across 36 awards.
Other years
All years (302) 2026 (113) 2024 (22) 2021 (20)
Hardware and semiconductor startups in 2025
| Company | What it does | Date | Amount | Round / stage | Record |
|---|---|---|---|---|---|
| Nuburu, Inc. | Filed Dec 31, 2025 | $23.3M | SEC Form D | ||
| Lunar Resources, Inc. | Direct to phase ii: helix high-power pulsed electromagnetic microwave power supply (hemps) | Award starts Sep 30, 2025 | $2M | SBIR Phase II | Federal award record |
| Physical Sciences Inc. | Conformal electromagnetic radiation absorptive mxene-integrated composite (ceramic) | Award starts Sep 30, 2025 | $2M | SBIR Phase II | Federal award record |
| Senseics Corporation | 80nssc25c0477 " radiation-hard, low-power fmcw signal processing asic" | Award starts Sep 30, 2025 | $844,033 | SBIR Phase II | Federal award record |
| Epir, Inc. | Radiation hardened infrared fpa | Award starts Sep 24, 2025 | $1.5M | STTR Phase II | Federal award record |
| Creare LLC | Creare llc - 90 k 30 w cryocooler design and demonstration | Award starts Sep 17, 2025 | $13.4M | SBIR Phase III | Federal award record |
| Makel Engineering, Inc. | Development of the multi-parameter astronaut life support sensor (m-palss) module for extravehicular activity (eva) portable life… | Award starts Sep 10, 2025 | $375,000 | SBIR Phase III | Federal award record |
| Virginia Diodes, Inc. | 80nssc25c0463 aurora 109-192 ghz spectrometer front-end electronics | Award starts Sep 9, 2025 | $1.2M | SBIR Phase III | Federal award record |
| Darwin | Humanoid robots | Fall 2025 | Y Combinator batch | Y Combinator listing | |
| MOVEdot | AI Agents for Hardware Engineering | Fall 2025 | Y Combinator batch | Y Combinator listing | |
| Norra | Automating equipment operations for nursing facilities | Fall 2025 | Y Combinator batch | Y Combinator listing | |
| Tornyol | We build micro-drones that kill mosquitoes | Fall 2025 | Y Combinator batch | Y Combinator listing | |
| Wardstone | The Modular Interceptor Platform | Fall 2025 | Y Combinator batch | Y Combinator listing | |
| Advanced Systems & Technologies Inc | Ii: sensor-array broadband express-rate wavefront sensor (saber wfs) | Award starts Aug 15, 2025 | $1.8M | SBIR | Federal award record |
| Aqwest, LLC | Ii: high energy, multi-component, optical isolator for 2 micron fiber lasers | Award starts Aug 12, 2025 | $1.8M | SBIR | Federal award record |
| Transwave Photonics, LLC | Ii: high power mwir optical fiber combiner | Award starts Aug 12, 2025 | $1.8M | SBIR | Federal award record |
| Magnolia Optical Technologies, Inc. | 80nssc25c0055 high-sensitivity uv solid-state photon-counting devices and arrays | Award starts Aug 11, 2025 | $849,994 | SBIR Phase II | Federal award record |
| Sequoia Scientific, Inc | 80nssc25c0047 in-situ hyperspectral transmissometer for ocean iop closure | Award starts Aug 11, 2025 | $849,267 | SBIR Phase II | Federal award record |
| Intelligent Fiber Optic Systems Corporation | /sttr phase ii r&d rad-tol innovative integrated optical driver for ultra-low-loss imu | Award starts Aug 6, 2025 | $2M | SBIR Phase II | Federal award record |
| Leiden Measurement Technology LLC | 80nssc25c0060 chess: compact high-entendue spectrometer for space | Award starts Aug 6, 2025 | $899,913 | SBIR Phase II | Federal award record |
| Metrolaser, Incorporated | 80nssc25c0006 laser-induced incandescence sensor for soot particle size and concentration | Award starts Aug 6, 2025 | $899,982 | SBIR Phase II | Federal award record |
| Yank Technologies, Inc. | 80nssc25c0089 dust-tolerant resonant connectors for extreme environments | Award starts Aug 6, 2025 | $899,953 | SBIR Phase II | Federal award record |
| Pumpkinseed Technologies Inc | High-throughput de-novo peptide sequencing with metasurface optics | Award starts Aug 1, 2025 | $1.2M | SBIR Phase II | Federal award record |
| Radiabeam Technologies, LLC | Ii: radiabeam technologies - l-band beam modulator for x-band linear accelerator | Award starts Jul 30, 2025 | $1.8M | SBIR | Federal award record |
| Decryptor, Inc. | Small business innovative research sbir iii decryptor inc -proposal phiii-0019 for c-130h autopilot angular acceleration sensor… | Award starts Jul 23, 2025 | $779,994 | SBIR | Federal award record |
| Mainstream Engineering Corp | Ii proposal f2-18506-scalable and fast epitaxy of high quality, single crystal znse substrates | Award starts Jul 23, 2025 | $1.8M | SBIR | Federal award record |
| Critical Frequency Design LLC | Small business innovation research (sbir) phase ii sequential, topic a21-107, chip-scale optical receivers for communications | Award starts Jul 21, 2025 | $1.9M | SBIR Phase II | Federal award record |
| Whisper Aero Inc | 80nssc25c0026 - design of an ultra-low noise ventilation fan for space applications | Award starts Jul 17, 2025 | $849,999 | SBIR Phase II | Federal award record |
| Saaz Micro, Inc. | Proposal #afford phase-iii proposal entitled "afford - advanced format and feature optimized roic design | Award starts Jul 15, 2025 | $2M | SBIR Phase II | Federal award record |
| Lairson Bruce | 80nssc25c0054 large silicon carbide grids for x-ray microcalorimeter blocking filters | Award starts Jul 14, 2025 | $849,999 | SBIR Phase II | Federal award record |
| Aerodyne Research Inc | 80nssc25c0046 airborne spectroscopic static temperature sensor | Award starts Jul 3, 2025 | $849,547 | SBIR Phase II | Federal award record |
| Parabilis Space Technologies, Inc. | Acoustic fluid management device | Award starts Jun 5, 2025 | $849,543 | SBIR Phase II | Federal award record |
| Blue | Your phone finally has someone to run it | Summer 2025 | Y Combinator batch | Y Combinator listing | |
| BootLoop | Firmware in minutes, not months - rigorously tested on real hardware | Summer 2025 | Y Combinator batch | Y Combinator listing | |
| F4 Industries | The GD&T Analysis Platform for Engineering Drawings | Summer 2025 | Y Combinator batch | Y Combinator listing | |
| Flywheel AI | Waymo for excavators | Summer 2025 | Y Combinator batch | Y Combinator listing | |
| Juxta | Building a GPS alternative 100x more powerful with no hardware needed. | Summer 2025 | Y Combinator batch | Y Combinator listing | |
| Normal | Testing and certifying the hardware of the future | Summer 2025 | Y Combinator batch | Y Combinator listing | |
| Physical Turing | Next generation robot deployer | Summer 2025 | Y Combinator batch | Y Combinator listing | |
| SigmanticAI | The Cursor for Chip Design - Delivering Silicon-Ready Chip Designs… | Summer 2025 | Y Combinator batch | Y Combinator listing | |
| Hedgefog Research Inc. | , contact lens integrated physiological sensors | Award starts May 20, 2025 | $1.7M | SBIR Phase II | Federal award record |
| Intelliepi Ir, Inc | Small business innovation research (sbir) phase ii, topic a23-006, advanced ii-v avalanche photodiode structures in the infrared | Award starts May 9, 2025 | $1.1M | SBIR Phase II | Federal award record |
| Innosys, Inc. | /sttr phase ii r&d open topic for radiation hardened microelectronics | Award starts Apr 30, 2025 | $1.5M | SBIR Phase II | Federal award record |
| Torrey Pines Logic, Inc. | Small business innovation research (sbir) phase ii, topic a244-010, non-RF transceiver alternative communicator (nrf-tac). | Award starts Apr 28, 2025 | $1.9M | SBIR Phase II | Federal award record |
| Nou Systems Inc | R&d: modular fly-along sensor package (modfasp) | Award starts Apr 7, 2025 | $2M | SBIR Phase II | Federal award record |
| Almond | A dual-arm robot built for physical AI. | Spring 2025 | Y Combinator batch | Y Combinator listing | |
| Atum Works | Gigascale Nanomanufacturing | Spring 2025 | Y Combinator batch | Y Combinator listing | |
| Cascade Space | Commercial alternative to the Deep Space Network | Spring 2025 | Y Combinator batch | Y Combinator listing | |
| Emode Photonix LLC | Nonlinear eigenmode expansion method for integrated quantum photonics | Award starts Apr 1, 2025 | $305,000 | SBIR Phase I | Federal award record |
| Nodi Energy | Distributed energy infrastructure unlocking grid power to data centers | Spring 2025 | Y Combinator batch | Y Combinator listing | |
| Partcl | Design a chip in minutes | Spring 2025 | Y Combinator batch | Y Combinator listing | |
| Photonium | AI-Powered Optical Consulting & Software | Spring 2025 | Y Combinator batch | Y Combinator listing | |
| Rimba | Streamlining Data Capture to Report Creation for Heavy Industries | Spring 2025 | Y Combinator batch | Y Combinator listing | |
| Bodkin Design & Engineering LLC | /sttr phase ii r&d pulsed laser lethality effects for missile defense | Award starts Mar 21, 2025 | $2M | SBIR Phase II | Federal award record |
| X-wave Innovations, Inc. | D2 phase ii r&d: a low-cost, handheld ultrasonic pressure sensor for non-invasive, rapid, and accurate measurement of helium pressure in… | Award starts Feb 20, 2025 | $2M | SBIR Phase II | Federal award record |
| Vector Atomic Inc | /sttr phase ii r&d - miniature iodine nanosecond timekeeper (mint) | Award starts Feb 11, 2025 | $2M | SBIR Phase II | Federal award record |
| 2WITECH Solutions LLC | This competitive cooperative agreement for a sttr research and development project entitled, “hybridized high-q plasmonic hydrogen… | Award starts Jan 1, 2025 | $1M | STTR | Federal award record |
| Adam | AI Powered CAD | Winter 2025 | Y Combinator batch | Y Combinator listing | |
| Artifact | An Collaborative, AI-native IDE for Hardware Engineers | Winter 2025 | Y Combinator batch | Y Combinator listing | |
| Bild AI | AI estimating & detailing for Division 8 doors, frames & hardware | Winter 2025 | Y Combinator batch | Y Combinator listing | |
| Dartboard | AI-native remote operations center for hardware fleets | Winter 2025 | Y Combinator batch | Y Combinator listing | |
| Instinct Space | Building lunar landers | Winter 2025 | Y Combinator batch | Y Combinator listing | |
| Inversion Semiconductor | Manufacturing the most powerful chips, 15x faster | Winter 2025 | Y Combinator batch | Y Combinator listing | |
| Maritime Fusion | Fusion reactors for ships | Winter 2025 | Y Combinator batch | Y Combinator listing | |
| Mentra | Building the open source smart glasses operating system. | Winter 2025 | Y Combinator batch | Y Combinator listing | |
| Oki | The memory computer for your digital life. | Winter 2025 | Y Combinator batch | Y Combinator listing | |
| Pax Markets | More 𝛼, less latency: exchange and HFT on one chip. | Winter 2025 | Y Combinator batch | Y Combinator listing | |
| Pickle | Where your life context becomes understanding. | Winter 2025 | Y Combinator batch | Y Combinator listing | |
| Revise Robotics | Automating refurbishment of $1T in consumer electronics | Winter 2025 | Y Combinator batch | Y Combinator listing | |
| Stillwind | PCB component librarian | Winter 2025 | Y Combinator batch | Y Combinator listing |
Selling to these companies?
Export the list: a spreadsheet of the 70 Hardware and semiconductor companies in the table below, with each one's date, amount, round or stage, the record it comes from and its MentionFox page. Free with an account; if you are not signed in, you sign up first and the download starts when you come back to this page.
Export the listA Full Report covers who runs the company, who owns it, where its money comes from and what to watch for, every claim linked to its source. See pricing.
Related startup lists
AI (108 shared) Manufacturing and industrial (36 shared) Aerospace and defense (35 shared) Robotics (24 shared) Energy (16 shared) Developer tools (14 shared)
Figures come only from the record linked in each row; a blank means the record gives none. How these lists are built.
