The Caesars Sportsbook can boast its Vegas retail pedigree, and has one of the more extensive online sports betting presences in the US. The parent company bought British bookmaker William Hill in April 2021.
Available inArizona, Colorado, Illinois, Indiana, Iowa, Louisiana, Michigan, New Jersey, Tennessee, Virginia, West Virginia
WynnBET - the online sportsbook associated with one of the biggest names on the Vegas strip - operates in a number of states and has official betting partnerships with a number of NFL, NBA and NHL teams, as well as Nascar.
Bet Rivers is an alternative online sports betting offering from Rush Street Gaming, owners of the physical Rivers Casino Pittsburgh and the Rivers Casino Philadelphia (previously the SugarHouse). Both apps are active in their native Pennsylvania, but operate in different states beyond that.
Named after the original bricks-and-mortar casino built in an old Philadelphia sugar refinery, the SugarHouse mobile app began offering online sports betting in New Jersey since late 2018. The operator is from the same Rush Street Gaming stable as Bet Rivers.
Practically a household name across the UK, William Hill began as a London-based bookmaker, with retail outlets across the land. Today, however, it operates globally online, and in April 2021 its buyout by US-based Caesars Entertainment was completed.
Available inArizona, Colorado, Illinois, Indiana, Iowa, Michigan, New Jersey, Tennessee, Virginia, West Virginia
FanDuel also began as a fantasy sports competition operator. In 2018 it was acquired by Irish bookmaker Paddy Power Betfair, and within days opened its first retail sports betting outlet at New Jersey's Meadowlands Racetrack.
Available inArizona, Colorado, Connecticut, Illinois, Indiana, Iowa, Louisiana, Michigan, New Jersey, Pennsylvania, Tennessee, Virginia, West Virginia
BetMGM is a subsidiary of MGM Resorts International, the hospitality and entertainment giant. BetMGM has official partnerships with the NBA, NHL and MLB, as well as exclusive betting partnerships with numerous NFL teams.
Available inArizona, Colorado, Indiana, Iowa, Michigan, New Jersey, Pennsylvania, Tennessee, Virginia, West Virginia, Wyoming
DraftKings started life as a daily fantasy sports (DFS) operator, launching DraftKings Sportsbook in New Jersey on August 1, 2018 - making it the first company to offer legal, online, mobile sports betting services. DraftKings also offers retail sports betting in partnership with casinos throughout the US.