| John Easter | American Chemisty Council | Opposing | GA85 |
| Brian Johnson | American Forest & Paper Association, Inc. | Opposing | GA85 |
| Jamie Cashman | American Forest & Paper Association, Inc. | Opposing | GA85 |
| John Pederson | ITW, Inc. | Opposing | GA85 |
| Matt Eide | ITW, Inc. | Opposing | GA85 |
| Kevin Condon | Iowa Association of Business and Industry (ABI) | Opposing | GA85 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Opposing | GA85 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Opposing | GA85 |
| Brad Epperly | Iowa Automobile Dealers Association | Undecided | GA85 |
| Paula Dierenfeld | Iowa Automobile Dealers Association | Undecided | GA85 |
| Scott Sundstrom | Iowa Automobile Dealers Association | Undecided | GA85 |
| Sharon Tahtinen | Iowa Dept. of Natural Resources | Undecided | GA85 |
| Robert Mulqueen | Iowa Environmental Council | Supporting | GA85 |
| Dane Schumann | Iowa Farmers Union | Supporting | GA85 |
| Kent Hartwig | Iowa Farmers Union | Supporting | GA85 |
| Threase Harms | Iowa Farmers Union | Supporting | GA85 |
| Brad Epperly | Iowa Grocery Industry Association | Opposing | GA85 |
| Paula Dierenfeld | Iowa Grocery Industry Association | Opposing | GA85 |
| Scott Sundstrom | Iowa Grocery Industry Association | Opposing | GA85 |
| Jim Obradovich | Iowa Recycling Association | Supporting | GA85 |
| Craig Walter | Iowa Restaurant Association | Opposing | GA85 |
| Jim Henter | Iowa Retail Federation | Opposing | GA85 |
| Mike Heller | Iowa Retail Federation | Undecided | GA85 |
| Paula Feltner | Iowa Retail Federation | Undecided | GA85 |
| Jim Obradovich | Iowa Society of Solid Waste Operations (ISOSWO) | Supporting | GA85 |
| Robert Mulqueen | Iowa Society of Solid Waste Operations (ISOSWO) | Supporting | GA85 |
| Brice Oakley | Koch Companies Public Sector, LLC and Affiliates | Undecided | GA85 |
| Don Avenson | Koch Companies Public Sector, LLC and Affiliates | Undecided | GA85 |
| Tom Cope | Koch Companies Public Sector, LLC and Affiliates | Undecided | GA85 |
| Marty Ryan | Lead Is Poison Coalition (LIP-C) | Undecided | GA85 |
| Stephanie Fawkes-Lee | Lead Is Poison Coalition (LIP-C) | Undecided | GA85 |
| John Pederson | Lennox International | Opposing | GA85 |
| Matt Eide | Lennox International | Opposing | GA85 |
| Jessica Hyland | Metro Waste Authority | Undecided | GA85 |
| Julie Smith | Metro Waste Authority | Undecided | GA85 |
| Reo Menning | Metro Waste Authority | Undecided | GA85 |
| Mike Heller | Petroleum Marketers Management Insurance Company (PMMIC) | Undecided | GA85 |
| Paula Feltner | Petroleum Marketers Management Insurance Company (PMMIC) | Undecided | GA85 |
| Jim Obradovich | Redemption Centers of Iowa | Supporting | GA85 |
| Mike Heller | Waste Management, Inc. | Undecided | GA85 |
| Paula Feltner | Waste Management, Inc. | Undecided | GA85 |