| Mazie Stilwell | AFSCME Iowa Council 61 | Opposing | GA88 |
| Morgan Miller | AFSCME Iowa Council 61 | Opposing | GA88 |
| Jason Knight | Alli Center, LLC | Opposing | GA88 |
| Emily Piper | American Association of Marriage and Family Therapy | Opposing | GA88 |
| Dane Schumann | American Massage Therapy Association (AMTA) | Undecided | GA88 |
| Maddie Wilcox | American Massage Therapy Association (AMTA) | Undecided | GA88 |
| Threase Harms | American Massage Therapy Association (AMTA) | Undecided | GA88 |
| Drew Klein | Americans For Prosperity | Supporting | GA88 |
| Tyler Raygor | Americans For Prosperity | Supporting | GA88 |
| Keith Saunders | Board of Regents, State of Iowa | Undecided | GA88 |
| Kristin Bauer | Board of Regents, State of Iowa | Undecided | GA88 |
| Mark Braun | Board of Regents, State of Iowa | Undecided | GA88 |
| Mary Braun | Board of Regents, State of Iowa | Undecided | GA88 |
| Kellie Paschke | Cosmetologists and Barbers of Iowa | Undecided | GA88 |
| Troy Skinner | Cosmetologists and Barbers of Iowa | Undecided | GA88 |
| Dane Schumann | Des Moines University | Undecided | GA88 |
| Maddie Wilcox | Des Moines University | Undecided | GA88 |
| Threase Harms | Des Moines University | Undecided | GA88 |
| Mike Heller | Father Flanagans Boys Home | Undecided | GA88 |
| Paula Feltner | Father Flanagans Boys Home | Undecided | GA88 |
| Dane Schumann | IBEW Iowa State Conference | Opposing | GA88 |
| Dane Schumann | IBEW Iowa State Conference | Undecided | GA88 |
| Maddie Wilcox | IBEW Iowa State Conference | Opposing | GA88 |
| Maddie Wilcox | IBEW Iowa State Conference | Undecided | GA88 |
| Threase Harms | IBEW Iowa State Conference | Opposing | GA88 |
| Threase Harms | IBEW Iowa State Conference | Undecided | GA88 |
| Mike Heller | Iowa Academy of Trial Lawyers | Undecided | GA88 |
| Paula Feltner | Iowa Academy of Trial Lawyers | Undecided | GA88 |
| Kelly Meyers | Iowa Association of Behavior Analysis | Opposing | GA88 |
| Susan Cameron Daemen | Iowa Association of Behavior Analysis | Opposing | GA88 |
| Brad Hartkopf | Iowa Association of Business and Industry (ABI) | Undecided | GA88 |
| Drew Wynes | Iowa Association of Business and Industry (ABI) | Undecided | GA88 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Undecided | GA88 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Undecided | GA88 |
| Doug Struyk | Iowa Association of Nurse Anesthetists | Undecided | GA88 |
| Jennifer Dorman | Iowa Association of Nurse Anesthetists | Undecided | GA88 |
| Jim Carney | Iowa Association of Nurse Anesthetists | Undecided | GA88 |
| Amy Campbell | Iowa Association of Rural Health Clinics | Opposing | GA88 |
| Craig Patterson | Iowa Association of Rural Health Clinics | Opposing | GA88 |
| Doug Struyk | Iowa Athletic Trainers Society | Undecided | GA88 |
| Jennifer Dorman | Iowa Athletic Trainers Society | Undecided | GA88 |
| Jim Carney | Iowa Athletic Trainers Society | Undecided | GA88 |
| Amy Campbell | Iowa Behavioral Health Association (IBHA) | Opposing | GA88 |
| Craig Patterson | Iowa Behavioral Health Association (IBHA) | Opposing | GA88 |
| Dane Schumann | Iowa Cosmetology School Association | Opposing | GA88 |
| Maddie Wilcox | Iowa Cosmetology School Association | Opposing | GA88 |
| Threase Harms | Iowa Cosmetology School Association | Opposing | GA88 |
| Matt McKinney | Iowa Dental Association | Undecided | GA88 |
| RG Schwarm | Iowa Dental Association | Undecided | GA88 |
| Sara Throener | Iowa Dept. of Inspections and Appeals | Undecided | GA88 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Opposing | GA88 |
| Emily Piper | Iowa Mental Health Counselors Association | Opposing | GA88 |
| Dane Schumann | Iowa Occupational Therapy Association | Undecided | GA88 |
| Maddie Wilcox | Iowa Occupational Therapy Association | Undecided | GA88 |
| Threase Harms | Iowa Occupational Therapy Association | Undecided | GA88 |
| Gary Ellis | Iowa Optometric Association | Opposing | GA88 |
| Amy Campbell | Iowa Primary Care Association | Opposing | GA88 |
| Craig Patterson | Iowa Primary Care Association | Opposing | GA88 |
| Christopher Rants | Iowa Prosthetics, Orthotics, Pedorthotics Association | Opposing | GA88 |
| John Cacciatore | Iowa Prosthetics, Orthotics, Pedorthotics Association | Opposing | GA88 |
| Emily Piper | Iowa Psychiatric Society | Opposing | GA88 |
| Amy Campbell | Iowa Psychological Association | Opposing | GA88 |
| Craig Patterson | Iowa Psychological Association | Opposing | GA88 |
| Emily Piper | Iowa Rural Water Association | Opposing | GA88 |
| Dane Schumann | Iowa Sleep Society | Undecided | GA88 |
| Maddie Wilcox | Iowa Sleep Society | Undecided | GA88 |
| Threase Harms | Iowa Sleep Society | Undecided | GA88 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Opposing | GA88 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Opposing | GA88 |
| Katie Graham | Iowa Society of Certified Public Accountants | Opposing | GA88 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Opposing | GA88 |
| Mike Heller | Iowa Speech Language Hearing Association | Undecided | GA88 |
| Paula Feltner | Iowa Speech Language Hearing Association | Undecided | GA88 |
| Doug Struyk | Iowa State Bar Association | Undecided | GA88 |
| Jennifer Dorman | Iowa State Bar Association | Undecided | GA88 |
| Jim Carney | Iowa State Bar Association | Undecided | GA88 |
| Bradley Hudson | Iowa State Education Association | Opposing | GA88 |
| Melissa Peterson | Iowa State Education Association | Opposing | GA88 |
| Mike Heller | Iowa Talented and Gifted Association | Undecided | GA88 |
| Paula Feltner | Iowa Talented and Gifted Association | Undecided | GA88 |
| Doug Struyk | Iowa Veterinary Medical Association | Undecided | GA88 |
| Jennifer Dorman | Iowa Veterinary Medical Association | Undecided | GA88 |
| Jim Carney | Iowa Veterinary Medical Association | Undecided | GA88 |
| Victoria Sinclair | Iowans for Tax Relief | Supporting | GA88 |
| Amy Campbell | Lutheran Services in IA, Inc. | Undecided | GA88 |
| Craig Patterson | Lutheran Services in IA, Inc. | Undecided | GA88 |
| Denise Rathman | National Association of Social Workers, Iowa Chapter | Opposing | GA88 |
| Cody Carlson | National Federation of Independent Business (NFIB /IA) | Supporting | GA88 |
| Christopher Rants | Plumbers and Steam Fitters Local 33 | Undecided | GA88 |
| John Cacciatore | Plumbers and Steam Fitters Local 33 | Undecided | GA88 |
| Eric Goranson | Plumbing Heating & Cooling Contractors of IA | Undecided | GA88 |
| Amy Campbell | Polk County - Board of Supervisors | Undecided | GA88 |
| John Cacciatore | Polk County Medical Society | Opposing | GA88 |
| Lon Anderson | Polk County Medical Society | Opposing | GA88 |
| Margaret Buckton | Rural School Advocates of Iowa | Opposing | GA88 |
| Angie Long | The Family Leader | Supporting | GA88 |
| Chuck Hurley | The Family Leader | Supporting | GA88 |
| Daniel Sunne | The Family Leader | Supporting | GA88 |
| Danny Carroll | The Family Leader | Supporting | GA88 |
| Angie Long | The Family Leader Foundation | Supporting | GA88 |
| Chuck Hurley | The Family Leader Foundation | Supporting | GA88 |
| Daniel Sunne | The Family Leader Foundation | Supporting | GA88 |
| Danny Carroll | The Family Leader Foundation | Supporting | GA88 |
| Margaret Buckton | Urban Education Network of Iowa | Opposing | GA88 |