Topping the list of leaders is Congressman Paul Ryan, Speaker of the US House of Representatives, who last week dropped a bombshell saying he is not ready to support Trump as the presidential nominee of the party.
Days later he toned it down to say that he would do whatever the presumptive nominee wants him to do.
Trump would also hold meetings with the Republican leadership in the House of Representatives and the Senate.
The Republicans hold a majority in both chambers of the US Congress and many feel that a Trump candidacy might put this majority at risk.
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According to Time magazine, the Ryan-Trump meeting comes at a critical juncture as the two party leaders jostle for positions as the face of the future of the party.
"I'd be shocked if he embraces Trump all the way. The things Trump has said and done, both the policy reversals and the insults, just in the last week, I can't see how one meeting is going to change that. Trump's actions mean a lot more than any one meeting," a Ryan insider was quoted as saying by Time.
Meanwhile, the Democratic Congressional leadership announced that it would unveil the "Trump Textbook" today.
It is a new report from Senate Democrats that will outline a number of policies to show that, despite attempts to keep their distance from Trump's policies, Senate Republicans have actually been pushing the same special interest-driven agenda for years.
"I endorse Donald Trump. I am going to work very hard for the nominee," Gingrich told Fox News.
Politico reported that Trump as part of his efforts to make peace with the Republican leadership is turning to lawmakers for help on the policy front.