About Us

For more than 90 years, customers have relied on Chromalox for the utmost in quality and innovative solutions for industrial heating applications. Chromalox manufactures the world’s largest and broadest line of electric heat and control products, including heating components, immersion heaters, circulation systems, heat transfer systems, boilers, industrial and comfort air heating, heat trace cables, sensors and precision electronic controls.

Business Segments We Serve

Process Solutions

Chromalox provides value-added heating solutions for diverse process industries by custom designing equipment to specifically fit our customers’ needs.

Commercial & Industrial Supply

With the broadest product line in the industry and an inventory of nearly one million items in stock, Chromalox provides heat and control solutions quickly to keep your facility up and running.

Original Equipment Manufacturer

Chromalox designs and manufactures the industry’s broadest line of custom heating elements, temperature sensors and controls for OEM applications.


From start-up and training to ongoing maintenance diagnostics and emergency response, Chromalox offers customized service solutions that will ensure the quality and continued success of your process.

Global Presence

Chromalox is truly a global supplier providing the highest level of customer support. For immediate technical advice and application assistance in your area, or for more information about Chromalox products, contact your local Chromalox representative. To locate the office nearest to you, search our global map.

Manufacturing Locations

Factory offices, stocking representatives, and more 2,000 authorized distributors around the world carry Chromalox heating components and controls. Chromalox has manufacturing facilities in the United States, Mexico, and Europe, as well as multiple engineering, warehousing and sales locations throughout the Americas, Europe, and Asia. Chromalox, headquartered in Pittsburgh, Pennsylvania, is truly a global supplier providing the highest level of customer support.

Read More about Each of our Manufacturing Facilities

Plant Certifications

More than 75 Chromalox engineers-including UL- and CSA-certified professionals-are available and ready to help you integrate our products into your application. View a list of our certifications .


E.L. Wiegand 1915
Edwin L. Wiegand, a young, brilliant, self-taught engineer was granted his first patent for inventing a resistance heating element embedded in an insulating refractory enclosed in a metal sheath. This invention was ahead of its time. Who could imagine that electric heat would become an integral part of cooking, home heating, and manufacturing processes?

A few years later, with one employee, the company was founded in a small room in Pittsburgh, PA. They received their first order for a strip heater, which paved the way for today's modern household iron. Edwin needed a name for his new company. He chose a name that reflected on his new product. Combining the word “chrome” found on a strip heater and “locks” because a cement mix locks in the heating element, he came up with "Chromalox." The company grew rapidly. Continue reading the Chromalox company history