Oil Moguls Emerge as Key Cash Source for Trump as Race Nears End

Oil executives have emerged as an increasingly important source of funding for Donald Trump, as industry titans open their wallets to bolster the Republican nominee’s campaign for a second term in the White House.

The billionaires backing Trump include Kelcy Warren, chief executive officer of pipeline operator Energy Transfer LP; Harold Hamm, the founder of Continental Resources Inc.; and Jeff Hildebrand, CEO of Hilcorp Energy Co.

Trump sought more support last week with fundraisers in Midland, Texas, the heart of the prolific Permian Basin, and Houston, the self-styled “energy capital of the ...