Trump Taj Mahal will use Ultimate Gaming as its Web partner.
Trump Plaza will team up with Web company Betfair, Wall Street analysts have reported.
When Internet gambling goes live next month, it will mark the most significant expansion of gambling in Atlantic City since casinos were legalized in 1978.
Nevada and Delaware are the only other states currently offering online gambling.
Gamblers will have to be located within the confines of the state to participate.