Compared to many of the other large political donors in Texas, Mr. McNair made relatively few donations this cycle coming in at 38 total gifts. Instead of spreading his support across the board, Mr. McNair concentrated his giving on just a few individual races and organizations.

Not surprisingly, 40% of Mr. Weekley’s giving went to TLR, coming in at $623,730. The remainder is split between direct contributions to candidates and to other PACs offering endorsements to candidates.

Mr. Nau’s giving encompasses both Republicans and Democrats, with a heavy focus on funding general-purpose political action committees (PACs).