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    Top 10 RTD Companies in the USA

    Resistance Temperature Detectors (RTDs) are widely used temperature sensing devices that operate based on the principle of the change in electrical resistance of certain materials with temperature. These devices are commonly used in various industrial applications for accurate temperature measurement. 

    Top 10 RTD Companies in the USA

    We have curated the top 10 RTD Companies in the USA for suppliers, consumers, and distributors working in the electronics market. 


    Minco was founded in 1956 and is headquartered in Minneapolis, Minnesota, USA. The company focuses on developing thermal solutions and temperature-sensing technologies for a wide range of industries. Minco is known for its expertise in designing and manufacturing flexible, reliable, and accurate temperature sensors and thermal management solutions. Their product offering includes- temperature sensors, flexible heaters, flex circuits, etc. Minco serves a diverse range of industries including – aerospace and defense, medical, semiconductor, automotive, energy, industrial, etc. Minco is specialized in handling innovation and customization of its products. 


    Pyromation specializes in temperature sensors and temperature measurement solutions. They are known for designing, manufacturing, and distributing a wide range of industrial temperature sensors, thermocouples, resistance temperature detectors (RTDs), thermowell, and related accessories.

    Pyromation serves various industries, including but not limited to, manufacturing, process industries, aerospace, automotive, food and beverage, pharmaceuticals, and more. Their products are often used for monitoring and controlling temperature in various industrial processes to ensure safety, quality, and efficiency.


    Watlow was established in 1922 and is headquartered in Missouri, USA. With over 100 years of experience, Watlow has long-serving experience in providing thermal solutions across various industries. The company’s experience spans industries like- semiconductor processing, clean environment technology, energy generation, and food service equipment. With an extensive patent portfolio of over 1000 patents, Watlow has over 12 high-tech manufacturing facilities, and 5 advanced development centers, and has a sales coverage across 178 countries.  

    Omega Engineering 

    Omega Engineering was established in 1962 and is headquartered in Norwalk, Connecticut, USA. With a global presence, the company specializes in manufacturing and distributing a wide range of industrial sensors, instruments, and automation products for measurement and control applications. Omega offers an extensive range of products designed for various industries and applications, including- temperature sensors (RTDs, thermocouples, thermistors), pressure sensors, flow, and level sensors, data acquisition and control instruments, automation and process control, heaters and heating elements, lab, and test equipment. Industries served include – manufacturing, aerospace, automotive, food and beverage, pharmaceuticals, energy, research and development, and HVAC (Heating, Ventilation, and Air Conditioning). 

    Conax Technologies

    Conax Technology was founded in 1945 and is headquartered in Buffalo, New York, USA. The company specializes in the design and manufacture of temperature sensors, pressure and vacuum seals, and related products for a variety of industries and applications. Conax offers a wide range of products like- temperature sensors, pressure and vacuum seals, thermowell, feed-throughs, and connectors. They serve a range of industries including but not limited to aerospace and defense, oil and gas, power generation, semiconductor, medical and healthcare, industrial manufacturing, research and development. 

    Sensata Technologies

    With a history spanning 100 years, Sensata has accumulated extensive experience in providing solutions to various industries. The company specializes in serving the electronic industry, with a particular focus on electrification, electric aircraft, and advanced air mobility solutions. They have expanded business across 16 countries, indicating a strong global presence. They have a remarkable 1.1 billion units shipped per year. Sensata achieved a revenue of USD 4 billion in 2022. They offer a diverse range of products catering to different industries like- pressure sensors, relays, force sensors, motor protectors, circuit breakers, inverters and chargers, temperature sensors, motors and actuators, and more. Their industrial experience spans domains like- automotive, aerospace and defense, marine, telecom, energy, construction, material handling, medical, agriculture, HVAC, motorcycle, and RV. 

    Kelvin Technologies

    Established in 2000, Kelvin Technologies specializes in providing various services including – calibration, extruder rebuilds, and custom-engineered assemblies. Kelvin targets a diverse range of industries including aerospace, medical, industrial machinery, plastics, transportation, security, semiconductor, and more. Their product catalog includes- temperature sensors (RTDs, thermocouples, thermistors), heaters, wiring harnesses, temperature controls, relays, and accessories. The company’s targeted customers are from domains including- aerospace, medical, plastics, transportation, security, semiconductor, and more. 

    Ashcroft, Inc.

    Ashcroft Inc was founded in 1852 and is headquartered in Stratford, Connecticut, USA. Ashcroft has a global presence and offers a diverse range of products and solutions primarily focusing on pressure and temperature measurement and control, including- pressure gauges, pressure transducers and transmitters, temperature instruments, differential pressure gauges, digital pressure and temperature gauges, calibration equipment, and more. They serve a wide range of industries including, but not limited to aerospace, industrial manufacturing, oil and gas, energy, and power generation. 

    Thermo Electric Company, Inc.

    Thermo Electric Company was founded in 1941 and is headquartered in Saddle Brook, New Jersey, USA. The company is known for its expertise in the design, manufacturing, and distribution of temperature measurement devices. They specialize in manufacturing various types of RTDs and other temperature sensors for industrial applications. Thermo Electric serves a diverse range of industries that require accurate temperature measurement and control, including, industrial manufacturing, petrochemical, power generation, aerospace, food and beverage, HVAC, and more. 

    Temperature Specialists

    Established in the year 1977, Temperature Specialists is known for being a major manufacturer of temperature sensors and related products. The products offered by the company include- temperature sensors (thermistors, thermocouples, thermowell, RTDs), electrical connection heads, nozzle temperature sensors, molded handle probes, melt bolt assemblies, and more. 

    Rashi Bajpai
    Rashi Bajpai
    Rashi Bajpai is a Sub-Editor associated with ELE Times. She is an engineer with a specialization in Computer Science and Application. She focuses deeply on the new facets of artificial intelligence and other emerging technologies. Her passion for science, writing, and research brings fresh insights into her articles and updates on technology and innovation.

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