1) 3M Company and its affiliates

2) Acadia Healthcare

3) Adventureland Amusement Park

4) Alliant Energy Corporation

5) Altumint

6) American Board for Certification of Teacher Excellence

7) Annett Holdings

8) Apple Inc.

9) Association of Dental Support Organizations

10) Community Bankers of Iowa

11) CRST International

12) Doll Distributing

13) Eli Lilly & Co.

14) Energy Transfer

15) FedEx Corporation

16) Fortinet

17) Four Oaks

18) Holmes Murphy

19) Horsemen's Benevolent and Protective Association (IHBPA)

20) Insight Public Sector

21) Iowa Advocates for Choice in Education

22) Iowa American Water Co.

23) Iowa Cannabis Company

24) Iowa Fertilizer

25) Iowa Great Lakes Association

26) Iowa Insurance Institute

27) Iowa Judges Association

28) Iowa Northern Railway Company

29) Iowa Speedway, LLC

30) Iowa State Patrol Supervisors Association

31) Iowa Student Loan Liquidity Corp.

32) Iowa Thoroughbred Breeders and Owners Association

33) Kent Corporation

34) Liberty Tire Services of Ohio, LLC

35) MCNA

36) MercyOne

37) National Association of Insurance and Financial Advisors-Iowa

38) Pharmaceutical Research and Manufacturers of America (PhRMA)

39) Rave Mobile Safety

40) Reform Action Fund

41) Safelite Group, Inc.

42) SAS Institute Inc.

43) Secure Elections Project

44) SmileDirectClub, LLC

45) SOO Green HVDC Link ProjectCo, LLC

46) Summit Carbon Solutions

47) Summit Group

48) Weitz Company

49) Western Governors University

50) Wild Rose Entertainment, LLC