1) 3M Company and its affiliates

2) Acadia Healthcare

3) Adventureland Amusement Park

4) Alliance for Civic Education of Iowa

5) Alliant Energy Corporation

6) Annett Holdings

7) Apple Inc.

8) Association of Dental Support Organizations

9) CHILDSERVE

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) Fortinet

19) Four Oaks

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 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) Koloma

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) Pivot Bio

41) Safelite Group, Inc.

42) SAS Institute Inc.

43) Secure Elections Project

44) Sensys Gatso

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