former Department of Homeland Security Secretary

Former SEC chairman in Obama administration

CEO of Continental Resources - Oil and gas billionaire

Chairman & CEO of Deere & Co

Leucadia National Corporation

Chairman and CEO, Retired, Southern Company

Bank lobbyist and former chief counsel to Sen Harry Reid

President and Co-Chief Executive Officer of Brookfield Renewable Power Inc.

Chairman and CEO of Whirlpool Corporation

Retired Boeing, Ford executive

Starbucks founder, former executive, former Seattle SuperSonics co-owner

Former CEO, Citibank

President & CEO, UNUM Group

Former chairman of the board of USAA

CFO, Baker Hughes

EVP Operations of CC Industries, Inc.

President and CEO, Business Roundtable; Chief of Staff under George W Bush

Chairman & CEO of Burlington Northern Santa Fe

The biggest owner of timberland in North America

Canada's largest freight railroad, provides service throughout North America

Provides life and health insurance. Revenues are $13 billion.

Natural gas pipeline company

Engineering/Construction

Canadian investment management firm founded by Gerry Schwartz

Large, diverse provider of technical and construction services.

One of the largest energy infrastructure companies in North America.

Petroleum refinery company

Cement maker

Canadian multinational specialty pharmaceutical company

Parent company of American Airlines

Largest health care company in the world

Parent company of Union Pacific Railways