The big three are PokerStars/Resorts, BetMGM/Borgata/Partypoker and Caesars Palace Online Casino/WSOP.
Seven New Jersey online poker sites offer online apps, which operate over four distinct networks. Player liquidity is not an issue - New Jersey is part of a multi-state poker compact which allows a shared player pool with Nevada and Delaware. New Jersey is among the leading online poker markets in the U.S.