Diesel S.p.A. is an Italian retail clothing company, located in Breganze, Italy. It sells denim, and other clothing, footwear, and accessories. The clothing line has two different brands: Diesel and Diesel Black Gold. There is also a line for children, called Diesel Kid. The company is known for its surreal advertising campaigns.The Diesel branded luxury fragrance line is owned and produced by L'Oréal.