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