| Scott Newhard | Associated General Contractors of Iowa | Supporting | GA86 |
| Brice Oakley | Casey's General Stores | Opposing | GA86 |
| Don Avenson | Casey's General Stores | Opposing | GA86 |
| Tom Cope | Casey's General Stores | Opposing | GA86 |
| James Piazza, Jr. | Heavy Highway Contractors Association | Supporting | GA86 |
| James Piazza, Jr. | International Union of Operating Engineers-Local 234 | Supporting | GA86 |
| Doug Struyk | Iowa Biodiesel Board | Undecided | GA86 |
| George Appleby | Iowa Biodiesel Board | Undecided | GA86 |
| Jennifer Tyler | Iowa Biodiesel Board | Undecided | GA86 |
| Jim Carney | Iowa Biodiesel Board | Undecided | GA86 |
| Shannon Henson | Iowa Biodiesel Board | Undecided | GA86 |
| Lyle Brehm | Iowa County Engineers Association | Supporting | GA86 |
| Sharon Tahtinen | Iowa Dept. of Natural Resources | Supporting | GA86 |
| Mikel Derby | Iowa Dept. of Transportation | Supporting | GA86 |
| Don Petersen | Iowa Farm Bureau Federation | Supporting | GA86 |
| Marty Schwager | Iowa Farm Bureau Federation | Supporting | GA86 |
| Matthew Steinfeldt | Iowa Farm Bureau Federation | Supporting | GA86 |
| Carolann Jensen | Iowa Finance Authority | Supporting | GA86 |
| Wes Peterson | Iowa Finance Authority | Supporting | GA86 |
| Brad Epperly | Iowa Grocery Industry Association | Undecided | GA86 |
| Paula Dierenfeld | Iowa Grocery Industry Association | Undecided | GA86 |
| Scott Sundstrom | Iowa Grocery Industry Association | Undecided | GA86 |
| Kayla Lyon | Iowa Institute for Cooperatives | Undecided | GA86 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Undecided | GA86 |
| Paula Feltner | Iowa Renewable Fuels Association (IRF) | Undecided | GA86 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA86 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Undecided | GA86 |
| Scott Sundstrom | Iowa Society of Certified Public Accountants | Undecided | GA86 |
| Jamie Cashman | Iowa State Association of Counties | Supporting | GA86 |
| Kristi Harshbarger | Iowa State Association of Counties | Supporting | GA86 |
| Lucas Beenken | Iowa State Association of Counties | Supporting | GA86 |
| William Peterson | Iowa State Association of Counties | Supporting | GA86 |
| William Heckroth | Iowa State Association of County Supervisors | Supporting | GA86 |
| Mike St. Clair | Iowa State Building and Construction Trades Council | Supporting | GA86 |
| tom fey | Iowa State Building and Construction Trades Council | Supporting | GA86 |
| John Pederson | Kum and Go, L.C. | Supporting | GA86 |
| John Pederson | Kum and Go, L.C. | Undecided | GA86 |
| Kate Walton | Kum and Go, L.C. | Supporting | GA86 |
| Kate Walton | Kum and Go, L.C. | Undecided | GA86 |
| Kelly Nuckolls | Kum and Go, L.C. | Supporting | GA86 |
| Kelly Nuckolls | Kum and Go, L.C. | Undecided | GA86 |
| Matt Eide | Kum and Go, L.C. | Supporting | GA86 |
| Matt Eide | Kum and Go, L.C. | Undecided | GA86 |
| Erich Schmidt | Laborers International Union of North America | Supporting | GA86 |
| Mike Heller | Petroleum Marketers Management Insurance Company (PMMIC) | Undecided | GA86 |
| Paula Feltner | Petroleum Marketers Management Insurance Company (PMMIC) | Undecided | GA86 |
| Dawn Carlson | Petroleum Marketers and Convenience Stores of Iowa | Opposing | GA86 |
| Kellie Paschke | Petroleum Marketers and Convenience Stores of Iowa | Opposing | GA86 |
| Troy Skinner | Petroleum Marketers and Convenience Stores of Iowa | Opposing | GA86 |