October 2026
Largest Sensors & Monitoring Public Companies in the US
Benchmark revenue and EBITDA valuation multiples for public comps like
Amphenol, Johnson Controls, Lumentum, Honeywell and TE Connectivity.
 | Amphenol is a United States manufacturer of electrical, electronic and fiber-optic interconnect products, sensors and cable systems. Its connector portfolio supports applications involving high-speed data, electrical power, radio-frequency signals and operation in demanding environments. The company also supplies cable assemblies, wiring harnesses, antennas, power distribution components and flexible or rigid printed circuit boards. Its sensors measure conditions such as pressure, temperature, position, moisture and vibration. Customers use these products in automotive systems, industrial equipment, communications networks, computing infrastructure, aerospace and other electronic applications. Revenue comes from sales of components and assemblies to business customers that incorporate them into larger products and systems. Amphenol offers both standard products and customized designs, with manufacturing and technical capabilities supporting customers across international markets. | $79 | -43% | $195B | $209B | 9.0x | 30.3x | ||
| Following Johnson Controls’ divestiture of its residential and light commercial HVAC businesses to Bosch in 2025, nearly all of its revenue comes from commercial HVAC (60%) and fire and security products and services (40%). A 2016 merger joined Johnson Controls’ HVAC and Tyco’s fire and security businesses with the premise that there is synergy in offering a broader variety of automation products and solutions to commercial buildings. We estimate Johnson Controls’ pro forma revenue mix will be one-third products, one-third installation, and one-third services. | $151 | +23% | $91B | $100B | 4.3x | 33.0x | ||
| Lumentum Holdings Inc is a California-based technology firm. The company provides two types of optical and photonic products: optical components that are used in telecommunications networking equipment, and commercial lasers for manufacturing, inspection, and life-science lab uses. Its segments are Optical Communications and Commercial Lasers. The firm is also expanding into new optical applications, such as 3-D sensing laser diode for consumer electronics. It generates maximum revenue from the OpComms segment. The OpComms segment products include a wide range of components, modules, and subsystems to support customers including carrier networks for access (local), metro (intracity), long-haul, and submarine (undersea) applications. | $851 | +322% | $77B | $76B | 25.2x | (10.9x) | ||
| Honeywell traces its roots to 1885 with Albert Butz’s firm, Butz Thermo-Electric Regulator, which produced a predecessor to the modern thermostat. Other inventions by Honeywell include biodegradable detergent and autopilot. Today, Honeywell is a global multi-industry behemoth with one of the largest installed bases of equipment. It operates through four business segments: aerospace technologies, industrial automation, energy and sustainability solutions, and building automation. Recently, Honeywell has made several portfolio changes to focus on fewer end markets and align with a set of secular growth trends. The firm is working diligently to expand its installed base, deriving around one third of its revenue from recurring aftermarket services. | $215 | -47% | $68B | $93B | 2.5x | 11.9x | ||
| TE Connectivity is the largest electrical connector supplier in the world, supplying interconnect and sensor solutions to the transportation, industrial, and communications markets. With operations in 150 countries and over 500,000 stock-keeping units, TE has a broad portfolio that forms the electrical architecture of its end customers' cutting-edge innovations. | $214 | -13% | $62B | $67B | 3.9x | 16.5x | ||
| Founded in 1930 and transformed over the decades through the acquisition of dozens of esteemed brands, Ametek owns more than 40 autonomous industrial businesses operating across research, aerospace, energy, medical, and manufacturing. Ametek segments its business into two operating groups: the electronic instruments group and the electromechanical group. The EIG sells a broad portfolio of analytical, test, and measurement instruments, while the EMG sells highly engineered components, interconnects, and specialty metals. The company emphasizes product differentiation and market leadership in the niche markets it operates in. | $250 | +24% | $57B | $59B | 8.0x | 25.6x | ||
| Samsara Inc provides an end-to-end solution for operations. The company's Connected Operations Platform consolidates data from its IoT devices and a growing ecosystem of connected assets and third-party systems, and makes it easy for organizations to access, analyze, and act on data insights using its cloud dashboard, custom alerts and reports, mobile apps, and workflows. The company derives almost all of its revenue from subscription services. Geographically, it derives a majority of its revenue from the United States. The company's customers range from small and medium-sized businesses to state and local governments. | IoT+1 | $43 | +8% | $25B | $25B | 15.2x | (861.0x) | |
| Onto Innovation Inc is engaged in the design, development, manufacture, and support of high-performance control metrology, defect inspection, lithography, and data analysis systems used by microelectronics device manufacturers. The Company and its subsidiaries currently operate in a single operating segment. The company mainly operates in the United States, Southeast Asia, China, Japan, and Europe, with Taiwan and South Korea the sources of total revenue. | $222 | +65% | $11B | $10B | 10.4x | 49.5x | ||
| Aptiv PLC is an industrial technology company focused on enabling a more automated, electrified and digitalized future. The company's technologies reach from sensor to cloud, including the hardware and software necessary to support automotive and other industries on a global basis. Its Advanced Safety and User Experience segment provides advanced software and services, intelligent sensors and high-performance compute platforms; its Engineered Components Group segment provides connection systems, high-performance interconnects, and cable management and protection solutions; and its Electrical Distribution Systems segment provides low voltage and high voltage power, signal and data distribution. | $44 | -45% | $9.2B | $14B | 0.7x | 6.4x | ||
| Viavi Solutions Inc. is an international provider of network test, monitoring, and assurance solutions to communications service providers, enterprises, network equipment manufacturers, civil government, military and avionics customers. The company also offers high-performance thin-film optical coatings, providing light management solutions to anti-counterfeiting, 3D sensing, electronics, automotive, defense, and instrumentation markets. Its operating segments include Network Enablement, Service Enablement, and Optical Security and Performance Products. Geographically, it derives a majority of its revenue from the United States. Additionally, it manufactures and sells optical filters for 3D sensing products that allow facial recognition security authentication for mobile devices. | $35 | +100% | $8.7B | $8.7B | 5.8x | 57.3x | ||
| SPX Technologies Inc supplies engineered heating, ventilation, and air conditioning, or HVAC, products, as well as detection and measurement technologies and power equipment. The company through two reportable segments. The HVAC segment which generates the majority of the revenue for the company, designs, manufactures, installs, and services cooling products, as well as heating and ventilation products. The Detection and Measurement technologies segment designs, manufactures, and installs underground pipe and cable locators and inspection equipment, bus-fare collection systems, and others. Geographically, the company has its operations in the United States, Canada, China, the United Kingdom, and Others. It derives maximum revenue from United States. | $168 | -25% | $8.4B | $8.9B | 3.9x | 18.5x | ||
| Gentex was founded in 1974 to produce smoke-detection equipment. The company sold its first glare-control interior mirror in 1982 and its first model using electrochromic technology in 1987. Automotive revenue is about 98% of total revenue. The company is constantly developing new applications for the technology to remain on top. Sales in 2024 totaled about $2.3 billion, with 47.7 million mirrors shipped. The unit mix breaks out as 63% interior and 37% exterior, versus 31% exterior in 2019. The company is based in Zeeland, Michigan. | $21 | -11% | $4.4B | $4.2B | 1.7x | 7.4x | ||
| OSI Systems Inc is a designer and manufacturer of electronic systems and components for businesses in the homeland security, healthcare, defense, and aerospace markets. The firm is organized in three business segments: Security, which derives maximum revenue, provides security and inspection systems; Healthcare, which provides patient monitoring, diagnostic, cardiology, ventilation systems, and defibrillators; and Optoelectronics and Manufacturing, which provides specialized electronic components and manufacturing services for the Security and Healthcare segments and external original equipment manufacturers. The majority of the firm's revenue is generated in the United States, and the rest from Mexico, Europe, the Middle East and Africa, and the Asia Pacific regions. | $197 | -29% | $3.1B | $3.8B | 2.1x | 14.5x | ||
| Alarm.com Holdings Inc has a cloud-based platform that offers an expansive suite of IoT solutions addressing world-wide opportunities in the residential, multi-family, small business and enterprise commercial markets. It has two reportable segments: Alarm.com & Other. The Alarm.com segment represents the cloud-based Software platforms for intelligently connected property & related solutions. The other segment is focused on researching, developing & offering residential & commercial automation solutions & energy management products & services in adjacent markets. The majority of revenue is from the Alarm.com segment. The platform allows home & business owners to secure their properties and automate & control an array of connected device. | $60 | +21% | $2.9B | $3.1B | 3.0x | 16.6x | ||
| Hayward Holdings is a leading manufacturer of energy-efficient swimming pool equipment and pool automation systems. The company offers a wide range of pool equipment, including pumps, filters, heaters, LED lights, and sanitization. Headquartered in Charlotte, North Carolina, the company has around 2,000 full-time employees. Hayward generated approximately $1.1 billion in revenue in 2024. | $12 | -29% | $2.6B | $3B | 2.7x | 10.5x | ||
| Ouster Inc is a provider of lidar sensors for the automotive, industrial, robotics, and smart infrastructure industries. Ouster’s products include high-resolution scanning and solid-state digital lidar sensors, Velodyne Lidar sensors, and software solutions. The company operates in the Americas, Asia and Pacific, Europe, Middle East, and Africa regions. It derives maximum revenue from Americas. | $30 | -6% | $2.2B | $1.9B | ||||
| nLight Inc is a United States-based company provider of power semiconductor and fiber lasers for aerospace and defense, industrial, and microfabrication applications. It designs, manufactures, and sells a range of power semiconductor lasers and fiber lasers that are typically integrated into laser systems. It operates in two segments: Laser Products, which includes semiconductor lasers, fiber lasers, and directed energy products; and Development segment includes revenue earned from research and development contracts. The majority of its revenue is generated from the Laser segment. The company's geographical segments include North America, Asia Pacific, and EMEA. | $37 | +14% | $2.1B | $1.8B | ||||
| Infleqtion is a quantum technology company that builds neutral atom quantum computers, optical atomic clocks, radio-frequency sensors and inertial sensors, together with the Superstaq quantum software platform. It began in Boulder in 2007 as ColdQuanta, founded by University of Colorado physicist Dana Anderson, and adopted the Infleqtion name in November 2022 as it moved from research hardware toward finished commercial products. The company is headquartered in Louisville, Colorado, with offices in Boulder, Chicago, Madison, Melbourne and Oxford. It raised a US$110 million Series B in 2022 and a US$100 million Series C in June 2025 backed by Counterpoint Global, Glynn Capital, S32, SAIC, In-Q-Tel, Breakthrough Victoria and others, with J.P. Morgan as sole placement agent. Its technology is deployed by NASA on the International Space Station, and it reported almost US$30 million of revenue for 2024 with a customer pipeline above US$200 million. Infleqtion trades on the New York Stock Exchange under the ticker INFQ. | $9 | -- | $2.1B | $1.6B | ||||
| CTS Corp operates in the electronics industry. The company is a manufacturer of Sensors, Electronic components, and Actuators. It designs, manufactures, and sells a broad line of sensors, electronic components, and actuators mainly to original equipment manufacturers (OEMs) for the aerospace and defense, industrial, information technology, medical, telecommunications, and transportation markets. Geographically, it derives a majority of its revenue from the United States and also has a presence in China, Singapore, the Czech Republic, Taiwan, Denmark, and other countries. | $56 | +35% | $1.6B | $1.6B | ||||
| Evolv Technologies Holdings Inc offers an AI-based touchless security screening. Its touchless security screening systems use artificial intelligence software, cloud services, and sensors to reliably detect dangerous weapons while ignoring harmless items like cell phones, laptops, and keys. It offers products for purchase under a multi-year security-as-a-service subscription pricing model that delivers ongoing value to customers, generates predictable revenue, and creates expansion and upsell opportunities. The firm operates in a single segment that develops, manufactures, markets, and sells security screening products and specific services. Its products are used in different industries such as casinos, industrial workplaces, schools, and ticketed venues. | $4 | -42% | $801M | $780M | ||||
| Aeva Technologies Inc through its Frequency Modulated Continuous Wave (FMCW) sensing technology, designs a 4D LiDAR-on-chip that, along with its proprietary software applications, has the potential to enable the adoption of LiDAR across broad applications from automated driving to consumer electronics, consumer health, industrial automation, and security application. The company operates in North America, EMEA, and Asia. The company derives the majority of its revenue from North America. | $11 | -31% | $741M | $665M | ||||
| LightPath Technologies Inc manufactures, distributes, and integrates proprietary optical components and assemblies. It develops optical solutions for traditional optics and communications markets. The company’s products include precision molded optics and infrared products, serving markets such as distribution, laser, industrial, instrumentation, telecommunications, and defense. Its products are categorized as infrared components, visible components, assemblies and modules, and engineering services. G5 Infrared’s revenue mainly comes from infrared components and assemblies. | $8 | -12% | $529M | $455M | ||||
| Immersion Corp is a licensing company focused on the acceleration, and scaling, through licensing, of haptic technologies that allow people to use sense of touch to engage with products and experience the digital world around them. Its patents cover a wide range of digital technologies and ways in which touch-related technology can be incorporated into and between hardware products and components, systems software, application software, and digital content. It operates in two operating segments: Immersion and Barnes & Noble Education. The majority of revenue is derived from Barnes & Noble Education segment which is a contract operator of physical and virtual bookstores for college and university campuses and K-12 institutions across the United States. | IoT+1 | $7 | +9% | $239M | $563M | |||
| Hawkeye Systems Inc is a technology holding company with a focus on pandemic management products and services. The company sources and distributes PPE (Personal Protective Equipment) and other Pandemic Management supplies to enterprise level customers and government agencies. | $1 | -- | $200M | $198M | ||||
| Aeluma Inc is a semiconductor company specializing in sensors and communications. It is developing sensor technology for mobile devices and vehicles. The company develops novel optoelectronic devices for sensing and communications applications. The company manufactures devices using high-performance compound semiconductor materials on large-diameter substrates that are commonly used to manufacture mass-market microelectronics. The applications include mobile, automotive, AI, defense & aerospace, communication, AR/VR and quantum computing. | $8 | -53% | $149M | $95M | ||||
| Interlink Electronics Inc is a sensor and printed electronics company operating in two principal sensor technology divisions: force/touch sensors, and gas and environmental sensors. It designs, develops, manufactures and sells a range of force-sensing and gas-sensing technologies that incorporate its proprietary materials technology, firmware and software into a portfolio of standard sensor-based products and custom sensor system solutions. Its force-sensing products and solutions include sensor components, subassemblies, modules products that support effective, efficient cursor control and novel three-dimensional user inputs. Its Human Machine Interface technology platforms are deployed in a wide range of markets including consumer electronics, automotive, industrial, and medical. | $4 | -31% | $69M | $68M | ||||
| Safe Pro Group Inc operates to acquire security and protection products. Its emphasis is on the development of a cloud-based ecosystem for analyzing drone imagery and data utilizing proprietary artificial intelligence (AI), machine learning, deep learning, and applied computer vision software for hyper-scalable processing, analysis, and reporting. The company operated in three reportable business segments which consisted of: the business of Safe-Pro USA, the business of Airborne Response, and the business of Safe Pro AI. Key revenue is generated from Airborne Response. | $3 | -47% | $68M | $58M | ||||
| Identiv Inc is a security technology company. It secures and manages access to physical places, things, and information. The company has one reportable segment: the IoT Business segment. Geographically, it generates maximum revenue from the Americas and also has a presence in Europe and the Middle East, and Asia-Pacific. | $3 | -30% | $67M | - | ||||
| Energous Corp has developed scalable, over-the-air Wireless Power Network (WPN) technology that integrates semiconductor chipsets, software controls, hardware designs, and antenna systems to enable radio frequency (RF)-based charging for ambient Internet of Things (ambient IoT) devices, transforming supply chain capabilities from limited tracking to overall business intelligence. The WPN technology consists of transmitter systems, receiver integrated circuits, and supporting software designed to deliver power and data to battery-free IoT devices across a range of operating distances and power levels. Its applications include retail sensors, electronic shelf labels (ESLs), asset trackers, air quality monitors, motion detectors, and other monitoring solutions. | $9 | -- | $49M | $19M | ||||
| AEye Inc is a provider of high-performance, active lidar systems for vehicle autonomy, driver-assistance systems (ADAS), and robotic vision applications. The company's software-definable 4Sight Intelligent Sensing Platform combines solid-state active lidar, an optionally fused low-light HD camera, and integrated deterministic artificial intelligence to capture more intelligent information with less data, enabling faster, more accurate, and more reliable perception of the surroundings. Majority of the Company's revenue is generated from customers located in the United States followed by Europe, and Asia-Pacific. | $1 | -61% | $46M | - | ||||
| Silvair Inc is a software application service provider. The company creates software for solutions for the Internet of Things. The firm provides Silvair lighting firmware which is a software for intelligent lighting components and provides silvair platform that includes digital tools for launching, configuring, and managing intelligent lighting networks. The company operates in the following segments; Lighting Control, Smart Lighting Services, and Smart Building Management. The majority of its revenue is generated from the Lighting Control segment. Geographically, the company derives maximum revenue from the European Union and the rest from other regions. | IoT+2 | $1 | -66% | $16M | $20M | |||
| Knightscope Inc is a security technology company based in Silicon Valley. It designs, develops, manufactures, markets, and supports Autonomous Security Robots (ASRs), autonomous charging stations, the proprietary Knightscope Security Operations Center software user interface, Emergency Communication Devices platform with real-time on-site data collection and analysis and a proprietary interface for both indoor and outdoor usage. In addition, it developed and operates the Knightscope Security Operations Center (KSOC) which allows real-time data access, a service accessible to all its clients. | $1 | -89% | $12M | $12M | ||||
| MultiSensor AI Holdings Inc build and deploy intelligent multi-sensing platforms incorporating edge and cloud software solutions that leverage artificial intelligence (AI). It is a provider of sensing systems built around high-resolution thermal imagers, visible and acoustic imagers, as well as vibration and laser spectroscopy sensors, that perceive and measure heat, sound, vibration, and gas in industrial assets and the surrounding environment, helping companies gain insight to protect and manage their most important assets and infrastructure. It also offers a wide range of form factors for its sensor devices, including, among other form factors, small to large handheld designs with built-in displays and controls, and fixed-mounted single- and multi-sensor camera sensor systems. | $4 | -93% | $9M | - | ||||
| Median | $21 | -27% | $2.1B | $2.5B | 5.3x | 6.5x |
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