1) 3M Company and its affiliates

2) Acadia Healthcare

3) Adventureland Amusement Park

4) Alliant Energy Corporation

5) Altumint

6) Annett Holdings

7) Apple Inc.

8) Association of Dental Support Organizations

9) AT & T

10) Community Bankers of Iowa

11) Connected Nation Development Corp.

12) CRST International

13) Doll Distributing

14) Elevator Industry Work Preservation Fund

15) Eli Lilly & Co.

16) Energy Transfer

17) FedEx Corporation

18) Four Oaks

19) Fresenius Medical Care

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

21) Insight Public Sector

22) Iowa Advocates for Choice in Education

23) Iowa American Water Co.

24) Iowa Cannabis Company

25) Iowa Fertilizer

26) Iowa Great Lakes Association

27) Iowa Insurance Institute

28) Iowa Judges Association

29) Iowa Northern Railway Company

30) Iowa Speedway, LLC

31) Iowa State Patrol Supervisors Association

32) Iowa Student Loan Liquidity Corp.

33) Iowa Thoroughbred Breeders and Owners Association

34) Kent Corporation

35) Liberty Tire Services of Ohio, LLC

36) MCNA

37) MercyOne

38) National Association of Insurance and Financial Advisors-Iowa

39) Pharmaceutical Research and Manufacturers of America (PhRMA)

40) Safelite Group, Inc.

41) SAS Institute Inc.

42) Secure Elections Project

43) SOO Green HVDC Link ProjectCo, LLC

44) Summit Carbon Solutions

45) Summit Group

46) Weitz Company

47) Western Governors University

48) Wild Rose Entertainment, LLC