1) ACCENTURE LLP

2) American Investment Council

3) Blucora, Inc.

4) Children's Hospital Association

5) Duke Energy Business Services LLC

6) Major League Baseball

7) Match Group

8) National Governors Association

9) Northrop Grumman Systems Corporation

10) Pfizer Inc.

11) PhRMA Inc.

12) The Dow Chemical Company

13) UNITED AIRLINES, INC.