Story highlights Trump officially announced Pence as his pick on Friday

The Indiana governor has strong fundraising ties

Washington (CNN) Mike Pence brings connections and appeal to a cross-section of the Republican Party's wealthiest financiers to the ticket with Donald Trump, but he nevertheless is unlikely going to convert those into big dollars for the fall campaign, according to interviews with donors and operatives deeply tied to big-money networks.

The Indiana governor is unique in the breadth of his donor connections. He has long held ties to Charles and David Koch, whose associates have saluted him as one of the best governors in the country. And Pence also pleases less ideological donors allied with groups such as the Chamber of Commerce and the Business Roundtable -- two organizations that have publicly opposed Trump's trade policies.

Even if Pence offers Trump something of an entrée to the GOP elite, there is a worry that he would be tarnished by his connection to a Republican presidential candidate who is unpopular in his on party, some supportive Republicans said.

But the battery of Republican organizations and conservative donors that have chosen to snub Trump and spend their money elsewhere -- particularly to help the GOP hold the Senate -- signaled that they had no plans to change course, even while maintaining that their admiration for the Indiana governor remains strong.

"Our efforts will remain focused on the Senate," said a Koch spokesman, James Davis.

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