| Emily Piper | American Association of Marriage and Family Therapy | Opposing | GA88 |
| Daniel Zeno | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | GA88 |
| Pete McRoberts | American Civil Liberties Union of Iowa (ACLU-IA) | Supporting | 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 |
| Sandra Conlin | Associated Builders & Contractors of Iowa | Undecided | GA88 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Undecided | GA88 |
| Kellie Paschke | Cosmetologists and Barbers of Iowa | Undecided | GA88 |
| Troy Skinner | Cosmetologists and Barbers of Iowa | Undecided | GA88 |
| David Adelman | Independent Pharmacy Cooperative | Undecided | GA88 |
| Frank Chiodo | Independent Pharmacy Cooperative | Undecided | GA88 |
| Matt Hinch | Independent Pharmacy Cooperative | Undecided | GA88 |
| Sara Allen | Independent Pharmacy Cooperative | Undecided | GA88 |
| Gary Grant | Integrated Telehealth Partners | Undecided | GA88 |
| Larry Murphy | Integrated Telehealth Partners | Undecided | GA88 |
| Meghan Malloy | Integrated Telehealth Partners | Undecided | GA88 |
| Renee Schulte | Integrated Telehealth Partners | Undecided | GA88 |
| Cyndi Pederson | International Interior Design Association | Undecided | GA88 |
| John Pederson | International Interior Design Association | Undecided | GA88 |
| David Adelman | Iowa Academy of Family Physicians | Undecided | GA88 |
| Frank Chiodo | Iowa Academy of Family Physicians | Undecided | GA88 |
| Matt Hinch | Iowa Academy of Family Physicians | Undecided | GA88 |
| Sara Allen | Iowa Academy of Family Physicians | Undecided | GA88 |
| Brad Epperly | Iowa Association of Ambulatory Surgery Centers | Undecided | GA88 |
| Dustin Miller | Iowa Association of Ambulatory Surgery Centers | Undecided | GA88 |
| Katie Graham | Iowa Association of Ambulatory Surgery Centers | Undecided | GA88 |
| Paula Dierenfeld | Iowa Association of Ambulatory Surgery Centers | 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 |
| Timothy Whipple | Iowa Association of Municipal Utilities | 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 |
| Jennifer Kingland | Iowa Association of Realtors | Undecided | GA88 |
| Amy Campbell | Iowa Association of Rural Health Clinics | Undecided | GA88 |
| Craig Patterson | Iowa Association of Rural Health Clinics | Undecided | GA88 |
| Emily Piper | Iowa Association of School Boards | Opposing | GA88 |
| Phil Jeneary | Iowa Association of School Boards | 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 |
| Amy Campbell | Iowa Behavioral Health Association (IBHA) | Undecided | GA88 |
| Craig Patterson | Iowa Behavioral Health Association (IBHA) | Opposing | GA88 |
| Craig Patterson | Iowa Behavioral Health Association (IBHA) | Undecided | GA88 |
| Kelly Meyers | Iowa Chapter of the National Association of Pediatric Nurse Practitioners | Opposing | GA88 |
| Susan Cameron Daemen | Iowa Chapter of the National Association of Pediatric Nurse Practitioners | Opposing | GA88 |
| Brad Epperly | Iowa Chapter, American Institute of Architects | Undecided | GA88 |
| Dustin Miller | Iowa Chapter, American Institute of Architects | Undecided | GA88 |
| Katie Graham | Iowa Chapter, American Institute of Architects | Undecided | GA88 |
| Paula Dierenfeld | Iowa Chapter, American Institute of Architects | Undecided | GA88 |
| Dane Schumann | Iowa Cosmetology School Association | Undecided | GA88 |
| Maddie Wilcox | Iowa Cosmetology School Association | Undecided | GA88 |
| Threase Harms | Iowa Cosmetology School Association | Undecided | GA88 |
| Brad Epperly | Iowa Defense Counsel Association | Undecided | GA88 |
| Dustin Miller | Iowa Defense Counsel Association | Undecided | GA88 |
| Paula Dierenfeld | Iowa Defense Counsel Association | Undecided | GA88 |
| Matt McKinney | Iowa Dental Association | Undecided | GA88 |
| RG Schwarm | Iowa Dental Association | Undecided | GA88 |
| Jon Murphy | Iowa Dental Hygienists Association | Undecided | GA88 |
| Tom Cope | Iowa Dental Hygienists Association | Undecided | GA88 |
| Sara Throener | Iowa Dept. of Inspections and Appeals | Undecided | GA88 |
| Amy McCoy | Iowa Dept. of Public Health | Undecided | GA88 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Undecided | GA88 |
| Julianne Frosolone | Iowa Federation of Labor, AFL-CIO | Undecided | GA88 |
| Michael Triplett | Iowa Funeral Directors Association | Undecided | GA88 |
| Sandra Conlin | Iowa Medical Society | Opposing | GA88 |
| Emily Piper | Iowa Mental Health Counselors Association | Opposing | GA88 |
| Kelly Meyers | Iowa Nurse Practitioners Society | Opposing | GA88 |
| Susan Cameron Daemen | Iowa Nurse Practitioners Society | 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 | Undecided | GA88 |
| David Adelman | Iowa Osteopathic Medical Association | Undecided | GA88 |
| Frank Chiodo | Iowa Osteopathic Medical Association | Undecided | GA88 |
| Matt Hinch | Iowa Osteopathic Medical Association | Undecided | GA88 |
| Sara Allen | Iowa Osteopathic Medical Association | Undecided | GA88 |
| Amy Campbell | Iowa Primary Care Association | Undecided | GA88 |
| Craig Patterson | Iowa Primary Care Association | Undecided | GA88 |
| Christopher Rants | Iowa Prosthetics, Orthotics, Pedorthotics Association | Undecided | GA88 |
| John Cacciatore | Iowa Prosthetics, Orthotics, Pedorthotics Association | Undecided | GA88 |
| Emily Piper | Iowa Psychiatric Society | Opposing | GA88 |
| Amy Campbell | Iowa Psychological Association | Opposing | GA88 |
| Amy Campbell | Iowa Psychological Association | Undecided | GA88 |
| Craig Patterson | Iowa Psychological Association | Opposing | GA88 |
| Craig Patterson | Iowa Psychological Association | Undecided | 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 |
| Jon Murphy | Iowa Society of Anesthesiologists | Undecided | GA88 |
| Tom Cope | Iowa Society of Anesthesiologists | Undecided | GA88 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Opposing | GA88 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Opposing | GA88 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Katie Graham | Iowa Society of Certified Public Accountants | Opposing | GA88 |
| Katie Graham | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Opposing | GA88 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Undecided | 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 |
| Ernie Adkison | Iowans for Tax Relief | Supporting | GA88 |
| Victoria Sinclair | Iowans for Tax Relief | Supporting | GA88 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA88 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA88 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA88 |
| Amy Campbell | Lutheran Services in IA, Inc. | Undecided | GA88 |
| Craig Patterson | Lutheran Services in IA, Inc. | Undecided | GA88 |
| Gary Grant | MH/DS of East Central Region | Undecided | GA88 |
| Larry Murphy | MH/DS of East Central Region | Undecided | GA88 |
| Meghan Malloy | MH/DS of East Central Region | Undecided | GA88 |
| Brian Johnson | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA88 |
| Craig Walter | Mechanical Contractors Association of Iowa (MCAI) | Undecided | GA88 |
| Brian Johnson | NECA - Iowa (NEC) | Undecided | GA88 |
| Craig Walter | NECA - Iowa (NEC) | Undecided | GA88 |
| Cody Carlson | National Federation of Independent Business (NFIB /IA) | Undecided | GA88 |
| Karla Fultz McHenry | Opportunity Solutions Project | 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 |
| David Wilkerson | School Administrators of Iowa | Opposing | GA88 |
| David Adelman | Sheet Metal Contractors of Iowa | Undecided | GA88 |
| Frank Chiodo | Sheet Metal Contractors of Iowa | Undecided | GA88 |
| Matt Hinch | Sheet Metal Contractors of Iowa | Undecided | GA88 |
| Sara Allen | Sheet Metal Contractors of Iowa | Undecided | 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 |
| Denise Bubeck | The Family Leader Foundation | Supporting | GA88 |
| Greg Baker | The Family Leader Foundation | Supporting | GA88 |
| Gary Grant | Urban County Coalition | Undecided | GA88 |
| Larry Murphy | Urban County Coalition | Undecided | GA88 |
| Meghan Malloy | Urban County Coalition | Undecided | GA88 |
| Margaret Buckton | Urban Education Network of Iowa | Opposing | GA88 |