Discovery, Inc. Series B Common Stock, also called Discovery, is a media company, which engages in the provision of content across distribution platforms and digital distribution arrangements. Read More It operates through the following segments: U.S. Networks, International Networks, Education and Other, and Corporate and Inter-segment Eliminations. The U.S. Networks segment owns and operates national television networks such as Discovery Channel, Animal Planet, and Investigation Discovery and Science. The International Networks segment consists of international television networks and websites. The Education and Other segment offers curriculum-based product and service offerings. The Corporate and Inter-segment Eliminations segment represents unallocated corporate amounts. The company was founded by John S. Hendricks in September 1982 and is headquartered in Silver Spring, MD. The listed name for DISCB is Discovery, Inc. Series B Common Stock.