| Anna Dey | American Civil Liberties Union of IA (ACLU-IA) | Supporting | GA84 |
| Marty Ryan | Fawkes-Lee & Ryan Inc. | Undecided | GA84 |
| Stephanie Fawkes-Lee | Fawkes-Lee & Ryan Inc. | Undecided | GA84 |
| Mike Heller | GlaxoSmithKline | Undecided | GA84 |
| Paula Feltner | GlaxoSmithKline | Undecided | GA84 |
| Mark Schouten | Governors Office of Drug Control Policy | Opposing | GA84 |
| Brad Epperly | IA. Broadcasters Assn. | Undecided | GA84 |
| Keith Luchtel | IA. Broadcasters Assn. | Undecided | GA84 |
| Paula Dierenfeld | IA. Broadcasters Assn. | Undecided | GA84 |
| Scott Sundstrom | IA. Broadcasters Assn. | Undecided | GA84 |
| Ray Lakers | IA. Clemency Project | Supporting | GA84 |
| Joe Kelly | IA. County Attorneys Assn. | Opposing | GA84 |
| Susan Cameron Daemen | IA. County Attorneys Assn. | Opposing | GA84 |
| Bob Rafferty | IA. Medical Society | Undecided | GA84 |
| Eric Nemmers | IA. Medical Society | Undecided | GA84 |
| Heidi Goodman | IA. Medical Society | Undecided | GA84 |
| Kate Walton | IA. Medical Society | Undecided | GA84 |
| Brad Epperly | IA. Newspaper Assn. | Undecided | GA84 |
| Keith Luchtel | IA. Newspaper Assn. | Undecided | GA84 |
| Paula Dierenfeld | IA. Newspaper Assn. | Undecided | GA84 |
| Scott Sundstrom | IA. Newspaper Assn. | Undecided | GA84 |
| Betty Lord-Dinan | IA. Nurses Assn. | Undecided | GA84 |
| Linda Goeldner | IA. Nurses Assn. | Undecided | GA84 |
| Kellie Paschke | IA. Peace Officers Assn. | Opposing | GA84 |
| Troy Skinner | IA. Peace Officers Assn. | Opposing | GA84 |
| Bill Wimmer | IA. Pharmacy Assn. | Opposing | GA84 |
| Craig Schoenfeld | IA. Pharmacy Assn. | Opposing | GA84 |
| Nicole Schultz | IA. Pharmacy Assn. | Opposing | GA84 |
| Thomas Temple | IA. Pharmacy Assn. | Opposing | GA84 |
| Joe Kelly | IA. State Sheriffs' & Deputies' Assn. | Opposing | GA84 |
| Susan Cameron Daemen | IA. State Sheriffs' & Deputies' Assn. | Opposing | GA84 |
| Carl Olsen | Iowans for Medical Marijuana | Undecided | GA84 |
| Brad Epperly | Johnson & Johnson Services, Inc. | Undecided | GA84 |
| Keith Luchtel | Johnson & Johnson Services, Inc. | Undecided | GA84 |
| Paula Dierenfeld | Johnson & Johnson Services, Inc. | Undecided | GA84 |
| Scott Sundstrom | Johnson & Johnson Services, Inc. | Undecided | GA84 |
| Susan Zalenski | Johnson & Johnson Services, Inc. | Undecided | GA84 |
| John Cacciatore | State Police Officers Council | Opposing | GA84 |
| Justin Hupfer | State Police Officers Council | Opposing | GA84 |
| Mike Heller | Susan G. Komen Breast Cancer Foundation, Des Moines Affiliate | Undecided | GA84 |
| Paula Feltner | Susan G. Komen Breast Cancer Foundation, Des Moines Affiliate | Undecided | GA84 |