| Julie Vande Hoef | Alliant Energy Corporation | Undecided | GA88 |
| Brad Epperly | Eastlake Partnership | Undecided | GA88 |
| Dustin Miller | Eastlake Partnership | Undecided | GA88 |
| Katie Graham | Eastlake Partnership | Undecided | GA88 |
| Paula Dierenfeld | Eastlake Partnership | Undecided | GA88 |
| Jim Obradovich | Greater Des Moines Heating & Cooling Association | Undecided | GA88 |
| R. Bruce Beeston | HOA Reform Coaltion | Undecided | GA88 |
| Jay Iverson | Home Builders Association of Iowa | Opposing | GA88 |
| Jay Iverson | Home Builders Association of Iowa | Undecided | GA88 |
| David Adelman | Hubbell Realty Company | Undecided | GA88 |
| Frank Chiodo | Hubbell Realty Company | Undecided | GA88 |
| Matt Hinch | Hubbell Realty Company | Undecided | GA88 |
| Sara Allen | Hubbell Realty Company | Undecided | GA88 |
| Jennifer Kingland | Iowa Association of Realtors | Undecided | GA88 |
| Nathan Blake | Iowa Attorney General Dept. of Justice | Undecided | GA88 |
| Robert Hartwig | Iowa Bankers Association | Undecided | GA88 |
| Sharon Presnall | Iowa Bankers Association | Undecided | 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 |
| Doug Struyk | Iowa Competitive Bidding Alliance, Inc. | Undecided | GA88 |
| Jennifer Dorman | Iowa Competitive Bidding Alliance, Inc. | Undecided | GA88 |
| Jim Carney | Iowa Competitive Bidding Alliance, Inc. | Undecided | GA88 |
| Andrew Lietzow | Iowa Landlord Association | Undecided | GA88 |
| Angela Davis | Iowa Lumber Association | Undecided | GA88 |
| Joe Kelly | Iowa Manufactured Housing Association | Opposing | GA88 |
| Joe Kelly | Iowa Manufactured Housing Association | Undecided | GA88 |
| Andrew Lietzow | Iowa Real Estate Investors 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 |
| Jim Obradovich | Landlords of Iowa | Undecided | GA88 |
| Ben Hammes | Master Builders of Iowa | Undecided | GA88 |
| Chad Kleppe | Master Builders of Iowa | Undecided | GA88 |
| Julie Smith | Master Builders of Iowa | 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 |
| Eric Goranson | Plumbing Heating & Cooling Contractors of IA | Undecided | GA88 |
| Karla Fultz McHenry | Plumbing Heating & Cooling Contractors of IA | Undecided | GA88 |
| Michael Triplett | Plumbing Heating & Cooling Contractors of IA | Undecided | GA88 |