Reliable Products. Competitive Pricing.
Manufactured in the USA · Since 1955
Trusted by Industry Leaders
About Hewitt Industries
In 1952, while in the trucking business, John T. Hewitt designed and developed the first pyrometer (E.G.T.) used for trucks. In 1955 Hewitt Industries was formed and began developing the market for users and OEMs around the world. Hewitt maintains this leadership through the highest quality in design and product reliability.