Watlow is a global industrial technology company that uses its world-class engineering expertise, advanced thermal systems and manufacturing excellence to provide a wide array of temperature control, power control, heater technologies and temperature sensing platforms. Watlow brings its experience to a broad cross section of industries, including semiconductor processing, environmental chambers, energy processes, diesel emissions, medical and foodservice equipment. Since 1922, Watlow has grown in product capability, market experience and global reach. The company holds more than 1,100 patents and employs more than 4,200 team members working in 11 manufacturing facilities and nine technology and development centers in the United States, Mexico, Europe and Asia. Watlow covers 95 countries through sales and distribution offices around the world.
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The Watlow annual revenue was $473.7 million in 2026.
Rob Gilmore is the CEO of Watlow.
1,493 people are employed at Watlow.
Watlow is based in St. Louis, Missouri.
The NAICS codes for Watlow are [333, 332, 33, 3329].
The SIC codes for Watlow are [34, 38, 343, 382].