Best Sensors Companies in California, United States

Developer of thermal sensing technology providing building occupancy and utilization data. The company offers solutions for workplaces, senior living, higher education, smart buildings, smart cleaning, and retail. Its platform includes data and API, along with wireless and wired sensor options. The technology uses heat-based sensing to provide real-time activity insights for efficient spaces. The sensors are camera-free, prioritizing privacy by not capturing personally identifiable information. The API-first data platform allows enterprises to gain insights for critical problems.

Funding rounds

• Apr 2026Series B—
• Dec 2024Series B$7.3M
• Aug 2024Series B$38.2M
• Mar 2023Series A$5M

Founders & team

Honghao DengCo-Founder & CEOJiani ZengCo-Founder & CPO

Investors

Qualcomm Ventures, NewME, HAX, Foundry, GS Futures, DNX Ventures

Tech stack

CloudflareCookieyesGoogle AnalyticsGoogle Font ApiGoogle Hosted LibrariesGoogle Tag Manager

Provider of LiDAR-based sensors for autonomous vehicles. It produces sensors with camera-grade precision that can identify reflectivity, velocity, and length and produces lidar technology solutions for autonomous machine designs and perception sensing technology. It also provides perception software incorporated in customized LiDAR-on-chips. Its features comprise object categorization, localization, risk detection, real-time monitoring, and road boundary recognition.

Funding rounds

• Jul 2025Post IPO$50M
• Jan 2021Post IPO$200M
• Dec 2019Series A—
• Oct 2018Series A$45M

Founders & team

Mina RezkCo-FounderSoroush SalehianCo-Founder & CEO

Investors

Porsche Se, Sylebra Capital, Lux Capital, Canaan, LG Innotek, Next47

Tech stack

Acquia Cloud PlatformAcquia Cloud Site FactoryAdobe AnalyticsAdobe Experience Platform Identity ServiceAdobe Experience Platform LaunchAhrefs

Developer of ultraspectral sensors and a large world model system. It builds vision infrastructure using ultraspectral sensors that capture molecular fingerprints. The technology is paired with a foundational model, combining physics-informed learning with data. This creates an intelligence layer for identifying materials, predicting system failures, and enabling robots to handle objects. The technology bridges visual pattern recognition and physics-based reasoning.

Funding rounds

• Apr 2026Series A$35.9M
• Oct 2024Seed$12M

Founders & team

Nathan SteinCo-Founder

Investors

Lowercarbon Capital, Toyota Ventures, Pear VC, E2MC

Tech stack

CloudflareCloudflare Bot ManagementCookieyesCore-JsGoogle Tag ManagerGoogle Workspace

Omni Design Technologies is a developer of high-performance ultra-low power semiconductor embedded IP cores for connected sensors and other applications. It also provides analog and interface IP cores. Its IP offerings are targeted for SoC addressing a wide range of application areas including IoT, test and measurement, high-speed interfaces, communications, medical imaging, and sensor hubs.

Funding rounds

• Sep 2025Series A$35M
• Jun 2025Series A$34.3M

Founders & team

Kush GulatiCo-founder

Investors

FM Capital, Tipping Point Capital, VentureTech Alliance, Foothill Ventures, Mountain View Capital, CDIB Capital Group

Tech stack

Apple Icloud MailCdnjsCloudflareCloudflare Bot ManagementFramer SitesGodaddy

Developer of biosensor patch for body vitals monitoring. Its biosensor patch measures multiple parameters including heart rate, heart rate variability, respiratory rate, single-lead ECG, skin temperature, body posture, fall detection, and activities like step counting. It has applications for use in hospitals, homes, research facilities, HCPs, and care facilities.

Funding rounds

• Feb 2025Conventional Debt—
• Feb 2025Series G$100M
• Jul 2023Series F$30M
• Sep 2022Series D—

Founders & team

Nersi NazariFounderPeter Van HaurChief Executive Officer

Investors

Oxford Finance, MVM, Baxter, HCA, Revelation Partners, Pacific General Ventures

Tech stack

Amazon Web ServicesAnimate.CssCore-JsFlywheelFont AwesomeGoogle Analytics

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

BootstrapNginxJqueryGoogle Hosted LibrariesFont AwesomeSucuri

Provider of marine weather forecasts and ocean condition monitoring solutions. The company offers platforms for voyage optimization, marine sensing, and real-time ocean data. These platforms support maritime shipping, marine research, and sustainable commercial solutions. The company’s offerings include voyage simulation, optimization, and reporting, as well as tools for monitoring sound, water quality, water level, temperature, and currents.

Funding rounds

• Apr 2025Grant (prize money)$448.9K
• Apr 2025Grant (prize money)$718.8K
• Nov 2024Series B$22.2M
• Sep 2023Series B$5M

Founders & team

Tim JanssenCo-Founder & CEOEvan ShapiroCo-Founder & CTO

Investors

True Ventures, Craft Ventures, Union Square Ventures, Foundry, NASA, SK Ventures

Tech stack

Amazon CloudfrontAmazon S3Amazon SesAmazon Web ServicesAngularApple Icloud Mail

Photonic sensing and computing solutions for diverse industries. Specializing in photonic integrated circuits, the company delivers advanced optical sensing, computing, and signal processing solutions. The company caters to industries including aerospace, intelligent transportation, smart manufacturing, smart electric grids, structural health monitoring, and medicine. The company focuses on precise measurements for parameters like strain, temperature, and vibration. The company develops industry solutions, holding an extensive IP portfolio in photonic computing, sensing, and signal processing. The company's technology platforms are productized as end-to-end solutions. The company combines sensing and intelligent data processing algorithms with user-friendly interfaces. The company's solutions leverage optoelectronics, integrating photonics and electronics for faster computing and data analytics.

Funding rounds

• Apr 2025Grant (prize money)$199.7K
• 2024Grant (prize money)$849.6K
• 2023Grant (prize money)$175K
• 2022Grant (prize money)$399.9K

Founders & team

Behzad MoslehiFounder & CEO

Investors

OSTI, HHS, National Science Foundation

Provider of 4D vision sensing solutions. Its product utilizes frequency modulated continuous wave technology to serve the consumer, industrial, robotics and security applications. Its sensing solution uses coherent light detection technology enabling low power operation and simultaneous measurement of instantaneous velocity. It caters to telecom and data-center applications with a primary application in range-extended eye-safe integrated LiDAR applications.

Operator of a purpose-driven technology company intended to catalyze bold climate action that protects public health reduces emissions, and delivers clean air for all. The company diagnoses the health of the air and tracks climate-changing pollution and is powered by its network of roving and stationary sensors, which measures air pollution and greenhouse gases at unprecedented scales and with block-level, hyperlocal resolution, and their professional analytics software, translates billions of scientific measurements into environmental intelligence for governments, companies, and communities, enabling governments, businesses, and communities to harness innovative environmental intelligence to raise awareness, manage climate-related risk and make smarter decisions in service of human and planetary health.

Founders & team

Davida HerzlCo-Founder & CEO

Investors

LEONID, Clearvison Ventures, Kapor Capital, Social Capital, Womens VC Fund II, KTB Network

Tech stack

Hubspot Cms HubHubspotLightboxJqueryGoogle AnalyticsCloudflare Bot Management

Provider of LiDAR-based sensors. It designs and develops 3D imaging sensors that generate images by detecting light. It caters to the consumer electronics and automotive sectors.

Provider of fixed and wearable spectrometer to monitor light spectrum and intensity. The company offers products such as stationary spectrometer the measurement of temperature and humidity, fixed spectrometer for measuring spectral power distribution, gateways that connect fixed and mobile Spectrometer via OpenThread, and cloud-based IoT platform to see real-time spectral power distribution (SPD) readings from any of their connected spectrometers.

Funding rounds

• Feb 2025Grant (prize money)$5M
• Sep 2020Grant (prize money)$5M

Founders & team

Erik PageFounder & CEO

Investors

HHS