
Mandalay Resort Group was an American hotel and casino operator based in Paradise, Nevada. Its major properties included Mandalay Bay, Luxor, Excalibur and Circus Circus, as well as half of the Monte Carlo. In terms of market capitalization, it was one of the largest casino operators in the world. Its stock traded on the New York Stock Exchange with the ticker symbol "CIR" and "MBG".

Affinity Interactive, formerly known as Herbst Gaming and Affinity Gaming, is an American private casino and sports betting company based in Paradise, Nevada. It operates eight casinos in Nevada, Missouri, and Iowa, and publishes the Daily Racing Form.

American Casino & Entertainment Properties (ACEP) owned and operated 4 casinos. It was purchased by Golden Entertainment in October 2017 for $850 million. ACEP was a casino holding company headquartered at the Stratosphere Las Vegas. ACEP was a wholly owned subsidiary of American Real Estate Partners before it was sold to Whitehall Street Real Estate Funds, an investment arm of Goldman Sachs, in February 2008. The company owned the following 4 casinos: Aquarius Casino Resort, Arizona Charlie's Decatur, Arizona Charlie's Boulder and Stratosphere Las Vegas. Golden Entertainment acquired ACEP from Whitehall.

Ameristar Casinos, Inc. was a casino operator based in Paradise, Nevada. It was acquired by Pinnacle Entertainment in 2013. The company had eight properties in seven markets.

Bally Technologies, Inc. is an American manufacturer of slot machines and other gambling technology based in Enterprise, Nevada. It is owned by Scientific Games Corporation.

Bally's Corporation is a gaming, betting and interactive entertainment company headquartered in Providence, Rhode Island. It owns and operates 14 casinos across ten states, a horse track in Colorado and has access to online sports betting licenses in 14 states. Additionally, the company owns sports betting platform Bet.Works, daily fantasy sports operator Monkey Knife Fight, and SportCaller, a free-to-play game provider.

Caesars Entertainment, Inc., formerly Eldorado Resorts, Inc., is an American hotel and casino entertainment company founded and based in Reno, Nevada that operates more than 50 properties. Eldorado Resorts acquired Caesars Entertainment Corporation and changed its own name to Caesars Entertainment on July 20, 2020.

Cannery Casino Resorts was a hotel and casino operator based in Spring Valley, Nevada. It was acquired by Boyd Gaming in 2016.

Century Casinos, Inc. is a gaming company based in Colorado Springs, Colorado.

Circa Sports is an American sportsbook operator based in Las Vegas. It was founded by casino owner Derek Stevens and began operations on June 1, 2019. It is named after Stevens' Circa Resort & Casino in Las Vegas. The resort includes the company's flagship sportsbook, with 1,000 seats spread across three floors. Other locations in Las Vegas include the Golden Gate and The D Las Vegas, both owned by Stevens. It also launched online and mobile app betting in Colorado on July 1, 2020, through a partnership with Century Casinos. It expanded its mobile app operations to Iowa on October 7, 2021.

Dotty's is a chain of slot machine parlors with about 175 locations in Nevada, Oregon and Montana and another 150 locations planned in Illinois. The business model is controversial, with sites "offering minimal food and beverage choices with a heavy focus on gambling." The chain has a clean, well-lit atmosphere meant to invoke "your grandmother's kitchen" and is demographically targeted towards women aged 35 and older.

EGM Green LLC. is an American private corporation, specializing in Design and Manufacture of eco-friendly casino gaming products.

Empire Resorts is a company that owns the Monticello Raceway in the Catskill Mountains 90 miles (140 km) from New York City. Headquartered in Monticello, New York, Empire Resorts is 88.7% owned by Kien Huat Realty Sdn Bhd of Genting Group.

Full House Resorts, Inc. is a casino developer and operator based in Summerlin South, Nevada. The company currently operates five casinos. It is known for the involvement of Gulfstream Aerospace founder Allen Paulson, who was CEO from 1994 to 2000, and former Chrysler chairman Lee Iacocca, who was a major investor in the company from 1995 to 2013. Dan Lee has served as CEO since late 2014.

Cantor Fitzgerald is an American financial services firm that was founded in 1945. It specializes in institutional equity, fixed income sales and trading, and serving the middle market with investment banking services, prime brokerage, and commercial real estate financing. It is also active in new businesses, including advisory and asset management services, gaming technology, and e-commerce. It has more than 5,000 institutional clients.

Golden Nugget Hotels & Casinos is an American chain of luxury hotels and casinos. It currently operates five casino resorts in Nevada, Louisiana, New Jersey, and Mississippi.

Grand Casinos (NYSE: GND) was a casino operator, co-founded by poker player Lyle Berman and Dave Anderson, Founder of Famous Dave's BBQ Restaurants, that started out managing several casinos in Minnesota in 1990.

GTECH Corporation was a gaming technology company based in Providence, Rhode Island, United States. It was acquired in 2006 for $4.5 billion by Lottomatica of Italy, which later changed its own name to GTECH.

Harrah's Entertainment was an American casino and hotel company founded in Reno, Nevada, and based in Paradise, Nevada, that operated over 50 properties and seven golf courses under several brands. In 2013, it was the fourth-largest gaming company in the world, with annual revenues of $8.6 billion. It was acquired in 2020 by Eldorado Resorts, which then changed its own name to Caesars Entertainment.

International Game Technology (IGT) was an American gaming company based in Las Vegas that manufactured and distributed slot machines and other gaming technology. It was acquired in 2015 by Gtech, which then adopted the IGT name for itself.

Isle of Capri Casinos, Inc. was a gaming company headquartered in Creve Coeur, Missouri in Greater St. Louis which operated casinos and associated entertainment and lodging facilities in the United States.

Jack Entertainment is a gaming, hospitality, and entertainment company based in Cleveland, Ohio. The company operates two gaming facilities in Ohio, Jack Cleveland Casino and Jack Thistledown Racino.

Jacobs Entertainment, Inc. is a gaming, hospitality, and entertainment company based in Golden, Colorado.

Jennings & Company was a leading manufacturer of slot machines in the United States and also manufactured other coin-operated machines, including pinball machines, from 1906 to the 1980s. It was founded by Ode D. Jennings as Industry Novelty Company, Incorporated of Chicago. On the death of its founder in 1953, the company was succeeded by Jennings & Company.
Landry's, Inc., is an American, privately owned, multi-brand dining, hospitality, entertainment and gaming corporation headquartered in Houston, Texas. Landry's, Inc. owns and operates more than 600 restaurants, hotels, casinos and entertainment destinations in 35 U.S. states and the District of Columbia. The company also owns and operates numerous international locations. It is the second largest seafood dining chain after Red Lobster.

Las Vegas Sands Corporation is an American casino and resort company based in Paradise, Nevada, United States. Its resorts feature accommodations, gambling and entertainment, convention and exhibition facilities, restaurants and clubs, as well as an art and science museum in Singapore.

MGM Resorts International is an American global hospitality and entertainment company operating destination resorts in Las Vegas, Massachusetts, Detroit, Mississippi, Maryland, and New Jersey, including Bellagio, Mandalay Bay, MGM Grand, and Park MGM. In January 2019 the company took over Empire City Casino in Yonkers, New York, and also opened MGM National Harbor in Maryland and MGM Springfield in Massachusetts. The company has a majority interest in MGM China Holdings Limited, which owns the MGM Macau resort and casino, and is developing a gaming resort in Cotai. MGM Resorts owns 50 percent of CityCenter in Las Vegas, which features Aria Resort & Casino. It has a majority controlling interest in MGM Growth Properties, a real estate investment trust.

MTR Gaming Group was a gaming company based in Chester, West Virginia that operated horse racing tracks and racinos. It was formed on March 7, 1988 in Wilmington, Delaware. On September 19, 2014, it merged with Eldorado Holdco LLC, forming Eldorado Resorts in Reno, Nevada.

Ortiz Gaming is a multinational company specializing in Class II and Class III video bingo slot machines.

Park Place Entertainment, later named Caesars Entertainment, Inc., was a casino company based in Paradise, Nevada. For a time it was the largest casino operator in the world. It was formed in 1998 as a corporate spin-off of the gaming division of Hilton Hotels, and renamed as Caesars Entertainment in 2003. The company was acquired in 2005 by Harrah's Entertainment, which later took on the Caesars Entertainment name.

Pinnacle Entertainment, Inc. was an American gambling and hospitality company. It was acquired by Penn National Gaming in 2018. At the time of acquisition, it operated sixteen casino properties, located in Colorado, Indiana, Iowa, Louisiana, Mississippi, Missouri, Nevada, Pennsylvania, and Ohio, and a horse track in Texas.

Planet Hollywood International Inc. is a themed restaurant chain inspired by the popular portrayal of Hollywood. The company is owned by Earl Enterprises corporation. Earl Enterprises was founded by Robert Earl.

Prophet Exchange is an online gambling company which is scheduled to be the United States of America's first betting exchange. Prophet Exchange is a peer-to-peer sports betting exchange where users can set prices for others to bet on, or place bets on the prices already available. The company's headquarters is located in Hoboken, New Jersey.

Scientific Games Corporation (SG) is an American corporation that provides gambling products and services. The company is headquartered in Las Vegas, Nevada, with lottery headquarters and production plant in Alpharetta, Georgia.

The SunCruz Aquasino is a 220 foot long, 600 passenger, 5 hour gambling cruise ship based in Little River, South Carolina. The SunCruz Aquasino offered "Cruises to Nowhere," legally transporting passengers into international waters beyond federal and state gambling laws. SunCruz Aquasino offers classic table games such as blackjack and craps, as well as a live poker room and slot machines.

Tropicana Entertainment Inc. was a publicly traded gaming company that owned and operated casinos and resorts in Indiana, Louisiana, Mississippi, Nevada, Missouri, New Jersey and Aruba. Tropicana properties collectively had approximately 5,500 rooms, 8,000 slot positions and 270 table games. The company was based in Spring Valley, Nevada, and was majority-owned by Icahn Enterprises. The company was acquired in 2018 by Eldorado Resorts and Gaming and Leisure Properties for $1.85 billion.

Trump Entertainment Resorts, Inc. was a gambling and hospitality company. The company previously owned and operated the now-demolished Trump Plaza and Trump World's Fair, the now-closed Trump Marina, Trump Casino & Hotel in Gary, Indiana, Trump 29 in Coachella, California, and Trump Taj Mahal in Atlantic City. It was founded in 1995 as Trump Hotels & Casino Resorts by Donald Trump, who after 2004 held only a minority ownership. The company filed for bankruptcy in 2004, 2009 and 2014. It became a subsidiary of Icahn Enterprises in 2016. Since then, all of the company's properties have been closed and sold.

WMS Industries, Inc. is an American electronic gaming and amusement manufacturer in Enterprise, Nevada. It was merged into Scientific Games in 2016. WMS's predecessor was the Williams Manufacturing Company, founded in 1943 by Harry E. Williams. However, the company that became WMS Industries was formally founded in 1974 as Williams Electronics, Inc.

Wynn Resorts, Limited is an American publicly traded corporation based in Paradise, Nevada that is a developer and operator of high end hotels and casinos. It was founded in 2002 by former Mirage Resorts Chairman and CEO Steve Wynn, and is now run by CEO Matthew Maddox. As of 2020, the company has developed six properties.