1) Adventureland Amusement Park

2) American Board for Certification of Teacher Excellence

3) AT & T

4) Bellino Fireworks, Inc.

5) Boyd Gaming & Dubuque Diamond Jo & Diamond Jo Worth

6) Corteva Agriscience

7) Elevator Industry Work Preservation Fund

8) Equifax

9) Hy-Vee, Inc.

10) International Legal Finance Association

11) Iowa American Water Co.

12) Iowa Fertilizer

13) Iowa State Patrol Supervisors Association

14) Iowa Whitetail Deer Association

15) ITC Midwest

16) MCNA

17) MercyOne

18) Pearson Education/NCS Pearson

19) Pharmaceutical Research and Manufacturers of America (PhRMA)

20) Secure Elections Project

21) Teachers Insurance and Annuity Association (TIAA)

22) Weitz Company