Question: Where is the mass media company based in that owns Velocity?

Context paragraphs:
HT Media: HT Media is an Indian mass media company based in Delhi, India.  It has holdings in print, electronic and digital media.

TV Azteca: TV Azteca, S.A.B. de C.V. is a Mexican multimedia conglomerate owned by Grupo Salinas.  It is the second-largest mass media company in Mexico after Televisa.  It primarily completes with Televisa and Imagen Televisión, as well as some local operators.  It owns two national television networks, Azteca 7 and Azteca Trece, and operates two other nationally distributed services, adn40 and a+.  All three of these networks have transmitters in most major and minor cities.

Liberty Media: Liberty Media Corporation (commonly referred to as Liberty Media or just Liberty) is an American mass media company controlled by chairman John C. Malone, who owns a majority of the voting shares.

Velocity (TV network): Velocity (formerly HD Theater and originally Discovery HD Theater) is an American high-definition, commercial-based, cable and satellite television network owned by Discovery Communications.  The network specializes in nonfiction programming, focusing on cars, and also sports (particularly motorsports), leisure, and other topics targeted at men ages 18 to 54.

ProSiebenSat.1 Media: ProSiebenSat.1 Media SE (officially abbreviated as P7S1, formerly ProSiebenSat.1 Media AG) is a European mass media company, based in Germany.  It operates free-to-air commercial TV channels, pay TV channels, radio stations and related print businesses.  It was formed on October 2, 2000 by the merger of German TV broadcasters ProSieben Media AG (founded in 1989) and Sat.1 SatellitenFernsehen GmbH (founded in 1984 as PKS (Programmgesellschaft für Kabel- und Satellitenrundfunk)).  The company is listed on the Frankfurt Stock Exchange and is a component of the DAX index.

The Educational Media Company at Virginia Tech: The Educational Media Company at Virginia Tech (EMCVT) is an independent governing body over student mass media organizations of the Virginia Tech campus.  The EMCVT board of directors is made up of Virginia Tech faculty and staff, students, and members of the Blacksburg, Virginia community.  As the parent company, EMCVT owns the copyrights on all media produced by its divisions.

Discovery Communications: Discovery Communications is an American mass media company based in Silver Spring, Maryland.  The company was first established in 1985 as the owner of its namesake U.S. television channel, Discovery Channel; the company operates other major factual television networks in the United States as well, including Animal Planet, and TLC, along with other spin-offs of Discovery.  It also owns or has interests in local versions of its channel brands in international markets, as well as other major regional operations such as Eurosport.

Le Défi Media Group: Le Défi Media Group is a mass media company based in Port Louis, Mauritius.  The group's operations include newspapers, magazines, radio and digital media.  The newspapers, magazines and radio are mostly published and broadcast in French.

Sun TV Network: Sun TV Network Limited is an Indian mass media company headquartered in Chennai, Tamil Nadu, India.  It is a part of Sun Group and is Asia's largest TV network.  Established on 13 April 1992 by Kalanidhi Maran, it owns a variety of television channels and radio stations in multiple languages.  Its flagship channel is Sun TV, which was the first fully privately owned Tamil channel in India.  Sun Group owns Hyderabad-based IPL team Sunrisers Hyderabad since 2012.

Illini Media: The Illini Media Company is a nonprofit, student media company based in Champaign, Illinois.  The company owns several student-run media outlets associated with the University of Illinois at Urbana–Champaign: the general newspaper, the "Daily Illini"; the entertainment paper, "Buzz Magazine"; the engineering quarterly, "Technograph"; the U of I yearbook, the "Illio"; and the commercial radio station, WPGU.

Supporting paragraphs: Velocity (TV network) Discovery Communications
Answer: Silver Spring, Maryland