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STP Corporation

STP
STP logo.png
Product type Automotive performance products
Owner Armored AutoGroup
Country United States
Introduced 1953
Website www.stp.com

STP is an American brand and trade name for automotive aftermarket products, especially lubricants such as motor oil and motor oil additives. The name began as an abbreviation of Scientifically Treated Petroleum. The brand is owned by Armored AutoGroup (also owner of the Armor All brand), which is owned by Spectrum Brands.

Chemical Compounds was founded in 1953 by three businessmen, Charles Dwight (Doc) Liggett, Jim Hill and Robert De Hart, with $3,000 in start-up capital in Saint Joseph, Missouri. Their sole product was STP Oil Treatment, the name was derived from “Scientifically Treated Petroleum”. In 1961, the company was acquired by the Studebaker-Packard Corporation.

Studebaker briefly tied STP into its advertising as an abbreviation for “Studebaker Tested Products”. However, Studebaker-Packard CEO Sherwood Egbert felt that STP could one day outpace its parent company and recruited Andy Granatelli as the CEO of STP to help raise the product’s image. At the same time, Granatelli became the public face of STP, often wearing a white suit emblazoned with the red oval STP logo to races, distributing thousands of all-weather STP stickers. Granatelli ran two Novi specials at the 1964 Indianapolis 500. Jim Hurtubise and Bobby Unser were the drivers. There was a film made of the race centering on the Novis.

When Studebaker abandoned auto manufacturing in 1966 to become Studebaker-Worthington, STP sales continued to climb to the point where it was spun off into a publicly traded company in 1969. In 1976, it was acquired by Esmark which itself was purchased by Beatrice Foods in 1984. Beatrice sold STP to Union Carbide the next year. In 1986, Union Carbide's auto products, which included Prestone and Simoniz, were subject to a leveraged buyout. The resulting company, First Brands, was purchased by Clorox in 1998. In 2010, Clorox sold ArmorAll and STP to Avista Capital Partners. It named the business Armored AutoGroup.


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