Best Micro Electro Mechanical Systems Companies in United States

Developer of thermal management solutions for data centers and electronic devices. The company offers direct-to-chip liquid cooling and solid-state active air cooling products. These cooling solutions are applicable to consumer devices, industrial embedded systems, and data centers. The company's products aim to improve performance and enable compact designs.

Funding rounds

• Mar 2026Series D$143M
• May 2024Series C$90M
• Dec 2022Series B$100M
• 2018Series A—

Founders & team

Suryaprakash GantiCo-Founder & CTOSeshu MadhavapeddyCo-Founder & CEO

Investors

Qualcomm Ventures, Mayfield, Clear Ventures, Addition, Fidelity Investments, Prosperity7 Ventures

Tech stack

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Provider of MEMS micro-speaker technology. It uses the inverse piezoelectric effect based technology to develop low-grade speakers and buzzers. The company offers products, such as true wireless stereo(TWS) micro-speakers, in-ear micro-speakers, and over-ear micro-speakers.

Funding rounds

• Oct 2025Series D$21M
• Aug 2021Series A$15M

Founders & team

Jemm LiangCo-Founder & CTODavid HongCo-founder

Investors

Boardman Bay Capital Management, Harbinger Venture Capital, Junhao Capital, SIG China, Delian Capital, Techlink Ventures

Tech stack

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Innovating chemical sensor technology for diverse applications and environmental monitoring. The company specializes in developing next-generation chemical sensors and detection devices. Their focus is on gas sensors for leak detection, military applications, homeland security, air quality monitoring, and emission gas detection. They utilize patented MEMS microsensor technology and hold licenses for chemi-selective polymers. The company develops gas, liquid, and solid sampling and detection systems for industry, government, and STEM education. They are a high-tech company focused on environmental testing, vapor intrusion, and benzene-related products, offering sensor systems, liquid collection, mini-GC, and portable toxic vapor collectors.

Funding rounds

• Sep 2025Grant (prize money)$541.6K
• Apr 2025Grant (prize money)$600K
• 2022Grant (prize money)$893.5K
• 2021Grant (prize money)$1.1M

Founders & team

Louis HaerleFounder & PresidentSanjay V PatelCo-Founder & CTO

Investors

America’s Seed Fund, HHS, OSTI, United States Department of Agriculture

Tech stack

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Sporian Microsystems is a developer of MEMS components, microelectronics and optoelectronics packaging solutions, nanotechnology, biotechnology, and optically based sensor technologies. Its products include physical environment monitoring sensors for asset and health monitoring applications. biochemical sensors, harsh environment sensors, sensor systems. Its services include custom MEMS development, sensor development or packaging development.

Funding rounds

• Apr 2025Grant (prize money)$662.5K
• Jan 2025Grant (prize money)$662.5K
• Jul 2023Grant (prize money)$1.4M
• Jun 2021Grant (prize money)$256.5K

Founders & team

Brian SchaiblePresident/CEO

Investors

U.S. Environmental Protection Agency, OSTI

Manufacturer of IoT-based gas detection sensors for multi-industry applications. It develops laser-absorption-based sensors for monitoring chemicals at high temperatures and pressures. It can detect and measure combustion products and intermediates, such as NOx, ammonia, and CO, as well as multiple hazardous chemicals, such as aromatics (BTEX) and aldehydes. It also integrates with transportation systems to facilitate the detection of levels of multiple combustion products for pollutant-emission reduction and engine-performance enhancement. Its other uses cases are in the areas of manufacturing, security, transportation, and healthcare.

Provider of radiofrequency-based MEMS actuators. It has developed materials, designs, and processing techniques to develop enhanced electronic switches that can handle high temperatures and stress, RF subsystems, signal relays, and power relays. Its applications are in 5G networks, industrial IoT markets, battery management, home automation, electric vehicles, and medical instrumentation.

Funding rounds

• Mar 2022Series C$150M
• Oct 2020Series B$44M
• Jul 2017Series A$22.5M
• Dec 2016Series A$18.7M

Founders & team

Chris GiovannielloCo-FounderRuss GarciaCEO

Investors

Vertical Venture Partners, Fidelity Investments, DBL Partners, Adage Capital Management, Paladin Capital, Piva Capital

Tech stack

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Developer of hydrogen gas leak detection sensors. Its products include gas analyzers and leak detectors using patented solid-state core hydrogen sensor technology, a sensor product for real-time hydrogen gas analysis in process gas streams, and handheld devices for hydrogen leak detection with concentration. It also provides a thin-film hydrogen sensor for high-temperature and marine applications. It caters to petroleum, power grid transformer, nuclear power plant, and semiconductor industries.

Manufacturer of microfluidic platforms for biosensing and sample processing. The company's platform uses actuated surface-attached posts (ASAPs), which are micro-posts that bend in the presence of magnetic fields and are capable of fluid handling applications. ASAPs have a diameter less than that of a bacterium and can promote the manipulation of fluids, cells, and reagents. Its applications include life science research and the development of clinical diagnostics.

MEMSIC manufactures semiconductor sensors and system solutions based on integrated MEMS technology and mixed signal circuit design. Primary products include accelerometers and magnetic sensors. Also provides MEMS-based magnetic sensors that enhance digital compass capabilities for mobile applications, an-isotropic magneto resistance based magnetic sensors for discrete and integrated mobile solutions, MEMS-based flow sensor products for use in industrial applications and wireless sensors (as system solution product) that connect the physical environment with enterprise management and information systems to provide monitoring, automation, and control solutions. Also develops multi-sensor and micro-controller unit integrated system products at the IC level.

Provider of microelectromechanical system-based microphones. Its MEMS-based microphones use proprietary materials and designs to directly convert sound pressure waves into electrical voltage. It has applications in mobile phones, headphones, smart homes equipment, security products, and portable devices.

Innovating gas sensing solutions for safety, climate, and industrial applications, this company delivers cutting-edge multi-gas sensing products and automated emissions monitoring systems. They leverage proprietary Molecular Property Spectrometer (MPS) sensor technology to provide solutions for industries like oil and gas, HVAC, waste management, and safety. Their offerings include flammable gas sensors, refrigerant gas sensors, methane and hydrogen gas sensors, and automated emissions monitoring. They focus on protecting people, property, and the planet through sensor-based SaaS solutions, industrial internet of things (IIOT) gas detectors, close-proximity continuous monitoring, industrial internet of things (IIOT) detector arrays, high productivity cloud-based software, user interface technology, and automated reporting software. The company provides solutions for methane leak detection and offers technologies like TrueLEL and Leak Source Isolation (LSI).

Axsun Technologies develops and manufactures MEMS-based micro-optical spectrometers and optical channel monitors for pharmaceutical, chemical and petrochemical, homeland security and telecom network applications. The Axsun Packaging Platform combines Patented MEMs devices and proprietary Micro-Optic technology, with a highly scalable, automated assembly process to enable the highest performance optical engines for Telecommunications, Industrial and Medical Imaging applications. Axsun’s integrated optical engines provide higher levels of performance in a much smaller footprint than bulk optical solutions, consuming less material, labor, and power.