The New Era Cap Company, located in Buffalo, New York, is an American headwear manufacturer. It was founded in 1920 by German immigrant Ehrhardt Koch. New Era is the exclusive manufacturer and marketer of the official on-field cap worn by every Major League Baseball team and their minor league affiliates, as well as select teams in the Korea Baseball Organization, Nippon Professional Baseball, and the Australian Baseball League, and maintains agreements with other licensed entities including the National Hockey League, National Basketball Association, National Rugby League, and over 200 colleges and universities in the United States. New Era became the official on-field cap provider for the National Football League in April 2012. - Source: Wikipedia