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The National Association for Stock Car Auto Racing (NASCAR) is an American family-owned and operated business venture that sanctions and governs multiple auto-racing sports events.

Bill France Sr.

founded the company in 1948 and his grandson Brian France became its CEO in 2003.

NASCAR is motorsport's preeminent stock-car racing organization.

The three largest racing-series sanctioned by this company are the Monster Energy NASCAR Cup Series, the Xfinity Series, and the Camping World Truck Series.

The company also oversees NASCAR Local Racing, the Whelen Modified Tour, the Whelen All-American Series, and the NASCAR iRacing.com Series.

NASCAR sanctions over 1,500 races at over 100 tracks in 39 of the 50 US states as well as in Canada.

NASCAR has presented exhibition races at the Suzuka and Motegi circuits in Japan, the Autódromo Hermanos Rodríguez in Mexico, and the Calder Park Thunderdome in Australia.

The National Basketball Association (NBA) is the major men's professional basketball league in North America, and is widely considered to be the premier men's professional basketball league in the world.

It has 30 teams (29 in the United States and 1 in Canada), and is an active member of USA Basketball (USAB), which is recognized by FIBA (also known as the International Basketball Federation) as the national governing body for basketball in the United States.

The NBA is one of the four major professional sports leagues in the United States and Canada.

NBA players are the world's best paid athletes by average annual salary per player.

The National Hockey League (NHL) is a professional ice hockey league currently composed of 30 teams – 23 in the United States and 7 in Canada – with a 31st team in Las Vegas scheduled to begin play in the 2017–18 season.

Headquartered in New York City, the NHL is considered to be the premier professional ice hockey league in the world, and one of the major professional sports leagues in the United States and Canada.

The Stanley Cup, the oldest professional sports trophy in North America, is awarded annually to the league playoff champion at the end of each season.

The National Football League (NFL) is a professional American football league consisting of 32 teams, divided equally between the National Football Conference (NFC) and the American Football Conference (AFC).

The NFL is one of the four major professional sports leagues in North America, and the highest professional level of American football in the world.

The NFL's 17-week regular season runs from the week after Labor Day to the week after Christmas, with each team playing 16 games and having one bye week.

Following the conclusion of the regular season, six teams from each conference (four division winners and two wild card teams) advance to the playoffs, a single-elimination tournament culminating in the Super Bowl, which is usually held in the first Sunday in February, and is played between the champions of the NFC and AFC.

Major League Baseball (MLB) is a professional baseball organization, the oldest of the four major professional sports leagues in the United States and Canada.

A total of 30 teams now play in the National League (NL) and American League (AL), with 15 teams in each league.

The NL and AL operated as separate legal entities from 1876 and 1901 respectively.

After cooperating but remaining legally separate entities since 1903, the leagues merged into a single organization led by the Commissioner of Baseball in 2000.

The organization also oversees Minor League Baseball, which comprises about 240 teams affiliated with the Major League clubs.

With the World Baseball Softball Confederation, MLB manages the international World Baseball Classic tournament.