Top donors

These 10 people and organizations gave the most money to federal Republican or conservative causes during the last two months of 2017 when the Trump tax bill was moving through Congress and gave nothing in the last two months of other years, or increased the share of their giving in this time period compared with other years.

Real Estate

Geoff Palmer

Founder of GH Palmer Associates, a real estate development firm in Los Angeles.

$1.96M

contributed to conservatives in last two months of 2017
Real Estate

Hillwood Development Co LLC

Real estate firm based in Dallas, Texas, founded by H. Ross Perot Jr., son of former presidential candidate H. Ross Perot

$1.50M

contributed to conservatives in last two months of 2017
Entertainment

Lee Roy and Tandy Mitchell

Founder of Cinemark Inc. theater chain.

$1.01M

contributed to conservatives in last two months of 2017
Energy

Pinnacle West Capital Corp.

Electric utility in Phoenix; Donald Brandt, CEO.

$650k

contributed to conservatives in last two months of 2017
Trade Association

Metropolitan Milwaukee Association of Commerce

A local branch of the U.S. Chamber of Commerce, the association represents about 1,800 member businesses in the greater Milwaukee area.

$550k

contributed to conservatives in last two months of 2017
Investor

Virginia James

Has given millions of dollars to Club for Growth, an anti-tax and limited government "social welfare" group.

$532k

contributed to conservatives in last two months of 2017
Building Supplies

Diane Hendricks

Owner of business investment firm Hendricks Holding Company Inc.

$505k

contributed to conservatives in last two months of 2017
Entertainment

Steve and Andrea Wynn

Casino mogul Steve Wynn served as Republican National Committee finance chairman. He and his wife Andrea are large GOP donors.

$455k

contributed to conservatives in last two months of 2017
Finance

Stephen and Christine Schwarzman

Chairman and CEO of The Blackstone Group, a private equity firm in New York, Schwarzman hosted a $100,000-a-plate GOP rundraiser.

$416k

contributed to conservatives in last two months of 2017
Energy

Kelcy and Amy Warren

Founder, CEO, Energy Transfer Partners

$385k

contributed to conservatives in last two months of 2017

Source: Center for Public Integrity analysis of Center for Responsive Politics data