1) Alkermes, Inc.

2) Alzheimer's Association

3) AMAG Pharmaceuticals

4) American Petroleum Institute

5) BacterioScan, Inc.

6) Broadcom Inc.

7) Consumer Brands Association

8) Convergent Solutions, Inc. dba Exiger Federal Solutions

9) Council for Investor Rights and Corporate Accountability, Inc.

10) Duke Energy Corporation

11) Florida Sugar Cane League

12) General Motors

13) Global Holdings, LLC

14) Google Client Services, LLC

15) Hangar Alpha LLC

16) HMS Holding Limited Partnership

17) Horizon Therapeutics USA, Inc.

18) Innovative Defense Technologies

19) Internet Association

20) JPMorgan Chase Holdings LLC

21) JUUL Labs

22) Koch Companies Public Sector, LLC

23) KPMG LLP

24) Ligado Networks

25) LVMH Moet Hennessy Louis Vuitton Inc.

26) Military Housing Association

27) National Alliance for Better Nutrition

28) National Business Aviation Association

29) National Football League

30) National Rifle Association, Institute for Legislative Action

31) Pharmaceutical Research and Manufacturers of America (PhRMA)

32) PremiumEStore LLC, dba Premium-PPE

33) Richetti Tactical Solutions, LLC

34) Rock Central

35) S&P Global

36) SAP America, Inc.

37) Sazerac Company, Inc.

38) SNCF America, Inc.

39) T-Mobile USA, Inc.

40) Textron Inc.

41) The Boeing Company

42) Third Option Foundation

43) Trijicon

44) Turning Point Brands

45) U.S. Sugar Corporation

46) U.S. Travel Association

47) United Launch Alliance

48) Xcel Energy Services, Inc.

49) XOJET Aviation, LLC