Founded in 1954, STP® makes automotive-care products that help drivers, do-it-yourselfers and racers maintain vehicle engines and systems. Headquartered in Danbury, Connecticut, the Energizer Holdings brand is especially known for its long-running connection to stock-car racing, including its partnership with Richard Petty that began in 1972. STP products are used in routine maintenance as well as to address common problems such as fuel-system deposits and engine friction.
Simoniz USA, IncFounded by George Simon in 1911, Simoniz USA makes automotive appearance and protection products alongside professional cleaning and sanitation solutions for businesses worldwide. Still family-owned across multiple generations, the Bolton, Connecticut company has grown into four specialized divisions supported by 13 distribution centers and more than 450,000 square feet of facilities. Its Simoniz Garage also develops and tests detailing products with professional detailers, extending a century-old car-care heritage into modern commercial markets.CRANBERRY TOWNSHIP, PA
Standard Motor Products, IncFounded by the Sills family in 1919, Standard Motor Products manufactures and distributes replacement automotive parts while developing custom vehicle-control and thermal-management solutions for on- and off-highway equipment. Now headquartered in Long Island City, the century-old company employs more than 6,500 people across 54 facilities in North America, Europe and Asia. Its portfolio spans established aftermarket brands such as Standard and Four Seasons alongside engineered-solutions brands including Trombetta and Stabil.LONG ISLAND CITY, NY
JET Performance ProductsJET Performance Products began 50 years ago as a Southern California engine-building and carburetor shop and now makes electronic tuning products and performance upgrades for cars and trucks. The company’s roots remain visible in its carburetor work, while its history also includes race cars that set national records in three NHRA and IHRA classes and the development of its first General Motors performance chip. Bryant Seller has owned the company since 1985.ST CLAIRSVILLE, OH
PermatexFounded in 1909, Permatex is an automotive aftermarket company known for developing practical sealing solutions for professional technicians, vehicle makers, and do-it-yourselfers. Its North American headquarters and 350,000-square-foot manufacturing and technical center are in Solon, Ohio, where it continues that work as a division of ITW.SOLON, OH