1) 3M Company and its affiliates

2) Acadia Healthcare

3) Adventureland Amusement Park

4) Alliant Energy Corporation

5) Altria Client Services LLC and its Affiliates

6) Altumint

7) American Board for Certification of Teacher Excellence

8) Annett Holdings

9) Apple Inc.

10) Association of Dental Support Organizations

11) AT & T

12) Community Bankers of Iowa

13) Connected Nation Development Corp.

14) CRST International

15) Doll Distributing

16) Elevator Industry Work Preservation Fund

17) Eli Lilly & Co.

18) Energy Transfer

19) FedEx Corporation

20) Fortinet

21) Four Oaks

22) Fresenius Medical Care

23) Holmes Murphy

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

25) Insight Public Sector

26) Iowa Advocates for Choice in Education

27) Iowa American Water Co.

28) Iowa Cannabis Company

29) Iowa Fertilizer

30) Iowa Great Lakes Association

31) Iowa Insurance Institute

32) Iowa Judges Association

33) Iowa Northern Railway Company

34) Iowa Speedway, LLC

35) Iowa State Patrol Supervisors Association

36) Iowa Student Loan Liquidity Corp.

37) Kent Corporation

38) Liberty Tire Services of Ohio, LLC

39) MCNA

40) MercyOne

41) National Association of Insurance and Financial Advisors-Iowa

42) Pharmaceutical Research and Manufacturers of America (PhRMA)

43) Pivot Bio

44) Reform Action Fund

45) Safelite Group, Inc.

46) SAS Institute Inc.

47) Secure Elections Project

48) SecurityScorecard

49) SOO Green HVDC Link ProjectCo, LLC

50) Summit Carbon Solutions

51) Summit Group

52) Weitz Company

53) Western Governors University

54) Wild Rose Entertainment, LLC

55) World Food Prize Foundation

1) 3M Company and its affiliates

2) Altumint

3) Annett Holdings

4) CRST International

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

6) Iowa Northern Railway Company

7) Iowa Thoroughbred Breeders and Owners Association

8) National Association of Insurance and Financial Advisors-Iowa

9) Summit Carbon Solutions

10) World Food Prize Foundation