| Robert Weiser | 3M Company | Undecided | GA86 |
| Sarah Reckling | 3M Company | Undecided | GA86 |
| Robert Weiser | 3M Government Affairs | Undecided | GA86 |
| Sarah Reckling | 3M Government Affairs | Undecided | GA86 |
| Alex Drzycimski | AFSCME Iowa Council 61 | Undecided | GA86 |
| Marcia Nichols | AFSCME Iowa Council 61 | Undecided | GA86 |
| Morgan Miller | AFSCME Iowa Council 61 | Undecided | GA86 |
| David Adelman | Ag Processing Inc a cooperative | Supporting | GA86 |
| Jerry Fitzgerald | Agribusiness Association of Iowa | Supporting | GA86 |
| Maggie Smith-Fitzgerald | Agribusiness Association of Iowa | Supporting | GA86 |
| Matt Fitzgerald | Agribusiness Association of Iowa | Supporting | GA86 |
| David Scott | American Council of Engineering Companies | Supporting | GA86 |
| Robert Weiser | Annett Holdings | Undecided | GA86 |
| Sarah Reckling | Annett Holdings | Undecided | GA86 |
| Christopher Riley | Archer Daniels Midland Company | Supporting | GA86 |
| Christopher Riley | Archer Daniels Midland Company | Undecided | GA86 |
| Scott Newhard | Associated General Contractors of Iowa | Supporting | GA86 |
| John Pederson | CN | Undecided | GA86 |
| Laura Book | CN | Undecided | GA86 |
| Matt Eide | CN | Undecided | GA86 |
| Robert Weiser | CRST International | Undecided | GA86 |
| Sarah Reckling | CRST International | Undecided | GA86 |
| Brice Oakley | Casey's General Stores | Undecided | GA86 |
| Don Avenson | Casey's General Stores | Undecided | GA86 |
| Tom Cope | Casey's General Stores | Undecided | GA86 |
| Gary Grant | Cedar Rapids Metro Economic Alliance | Supporting | GA86 |
| Gary Grant | City of Cedar Rapids | Supporting | GA86 |
| Larry Murphy | City of Cedar Rapids | Supporting | GA86 |
| Meghan Malloy | City of Cedar Rapids | Supporting | GA86 |
| Brice Oakley | City of Coralville | Supporting | GA86 |
| Don Avenson | City of Coralville | Supporting | GA86 |
| Tom Cope | City of Coralville | Supporting | GA86 |
| Jerry Fitzgerald | City of Des Moines | Supporting | GA86 |
| Maggie Smith-Fitzgerald | City of Des Moines | Supporting | GA86 |
| Matt Fitzgerald | City of Des Moines | Supporting | GA86 |
| Brice Oakley | City of West Des Moines | Supporting | GA86 |
| Don Avenson | City of West Des Moines | Supporting | GA86 |
| Tom Cope | City of West Des Moines | Supporting | GA86 |
| Jeffrey Boeyink | Community Bankers of Iowa | Supporting | GA86 |
| Phil Tuning | Deere & Company | Supporting | GA86 |
| Angela Davis | Des Moines Area Regional Transit | Undecided | GA86 |
| Bill Wimmer | Des Moines Area Regional Transit | Undecided | GA86 |
| Angela Davis | Enterprise Rent-A-Car | Undecided | GA86 |
| Bill Wimmer | Enterprise Rent-A-Car | Supporting | GA86 |
| Dennis Henderson | Fawkes-Lee & Ryan Inc. | Opposing | GA86 |
| Marty Ryan | Fawkes-Lee & Ryan Inc. | Opposing | GA86 |
| Stephanie Fawkes-Lee | Fawkes-Lee & Ryan Inc. | Opposing | GA86 |
| Mark Foster | Greater Burlington Partnership | Supporting | GA86 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA86 |
| Paula Dierenfeld | Greater Des Moines Partnership | Undecided | GA86 |
| Scott Sundstrom | Greater Des Moines Partnership | Undecided | GA86 |
| James Piazza, Jr. | Heavy Highway Contractors Association | Supporting | GA86 |
| Jeffrey Boeyink | Highway 61 Coalition | Supporting | GA86 |
| Mark Foster | Highway 61 Coalition | Supporting | GA86 |
| Mark Joyce | Highway 61 Coalition | Supporting | GA86 |
| Angela Davis | Hy-Vee, Inc. | Undecided | GA86 |
| Bill Wimmer | Hy-Vee, Inc. | Undecided | GA86 |
| James Piazza, Jr. | International Union of Operating Engineers-Local 234 | Supporting | GA86 |
| Michael Ralston | Iowa Association of Business and Industry (ABI) | Supporting | GA86 |
| Nicole Crain | Iowa Association of Business and Industry (ABI) | Supporting | GA86 |
| Rachel Geilenfeld | Iowa Association of Business and Industry (ABI) | Supporting | GA86 |
| Zach Dalluge | Iowa Association of Business and Industry (ABI) | Supporting | GA86 |
| Amy Campbell | Iowa Association of County Conservation Boards | Undecided | GA86 |
| Craig Patterson | Iowa Association of County Conservation Boards | Undecided | GA86 |
| Brice Oakley | Iowa Association of Regional Councils (IARC) | Supporting | GA86 |
| Don Avenson | Iowa Association of Regional Councils (IARC) | Supporting | GA86 |
| Tom Cope | Iowa Association of Regional Councils (IARC) | Supporting | GA86 |
| Brad Epperly | Iowa Automobile Dealers Association | Supporting | GA86 |
| Paula Dierenfeld | Iowa Automobile Dealers Association | Supporting | GA86 |
| Scott Sundstrom | Iowa Automobile Dealers Association | Supporting | GA86 |
| Robert Hartwig | Iowa Bankers Association | Supporting | GA86 |
| Sharon Presnall | Iowa Bankers Association | Supporting | GA86 |
| Angela Davis | Iowa Beverage Association | Undecided | GA86 |
| Bill Wimmer | Iowa Beverage Association | Undecided | GA86 |
| Jim Obradovich | Iowa Bicycle Coalition | Supporting | GA86 |
| Doug Struyk | Iowa Biodiesel Board | Supporting | GA86 |
| Gary Dickey | Iowa Biodiesel Board | Supporting | GA86 |
| George Appleby | Iowa Biodiesel Board | Supporting | GA86 |
| Jennifer Tyler | Iowa Biodiesel Board | Supporting | GA86 |
| Jim Carney | Iowa Biodiesel Board | Supporting | GA86 |
| Justine Stevenson | Iowa Cattlemen's Association | Supporting | GA86 |
| James Kersten | Iowa Central Community College (ICC) | Supporting | GA86 |
| Brad Epperly | Iowa Chamber Alliance | Supporting | GA86 |
| John Stineman | Iowa Chamber Alliance | Supporting | GA86 |
| Paula Dierenfeld | Iowa Chamber Alliance | Supporting | GA86 |
| Scott Sundstrom | Iowa Chamber Alliance | Supporting | GA86 |
| Neila Seaman | Iowa Chapter of Sierra Club | Undecided | GA86 |
| Jerry Fitzgerald | Iowa Corn Growers Association(ICG) | Supporting | GA86 |
| Maggie Smith-Fitzgerald | Iowa Corn Growers Association(ICG) | Supporting | GA86 |
| Matt Fitzgerald | Iowa Corn Growers Association(ICG) | Supporting | GA86 |
| Mindy Poldberg | Iowa Corn Growers Association(ICG) | Supporting | GA86 |
| Lyle Brehm | Iowa County Engineers Association | Supporting | GA86 |
| Mikel Derby | Iowa Dept. of Transportation | Undecided | GA86 |
| Norman Pawlewski | Iowa Faith & Freedom Coalition | Opposing | 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 |
| Jake Oeth | Iowa Farmers Union | Supporting | GA86 |
| Kent Hartwig | Iowa Farmers Union | Supporting | GA86 |
| Threase Harms | Iowa Farmers Union | Supporting | GA86 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Supporting | GA86 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Withdrawn | GA86 |
| Charlie Wishman | Iowa Federation of Labor, AFL-CIO | Undecided | GA86 |
| David Scott | Iowa Good Roads Association | 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 | Supporting | GA86 |
| Mike St. Clair | Iowa Institute for Cooperatives | Supporting | GA86 |
| tom fey | Iowa Institute for Cooperatives | Supporting | GA86 |
| Dustin Miller | Iowa League of Cities | Supporting | GA86 |
| Robert Palmer | Iowa League of Cities | Supporting | GA86 |
| Angela Davis | Iowa Lumber Association | Undecided | GA86 |
| Bill Wimmer | Iowa Lumber Association | Undecided | GA86 |
| David Scott | Iowa Motor Truck Association | Supporting | GA86 |
| Amy Campbell | Iowa Natural Heritage Foundation | Undecided | GA86 |
| Craig Patterson | Iowa Natural Heritage Foundation | Undecided | GA86 |
| David Adelman | Iowa Nebraska Farm Equipment Dealers Association | Supporting | GA86 |
| Jim Obradovich | Iowa Public Airports Association | Supporting | GA86 |
| Grant Menke | Iowa Renewable Fuels Association (IRF) | Supporting | GA86 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Supporting | GA86 |
| Paula Feltner | Iowa Renewable Fuels Association (IRF) | Supporting | GA86 |
| Jim Henter | Iowa Retail Federation | 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 |
| Jill Altringer | Iowa Soybean Association | Supporting | 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 |
| Brad Hudson | Iowa State Education Association | Undecided | GA86 |
| Melissa Peterson | Iowa State Education Association | Undecided | GA86 |
| Angela Davis | Iowa Wholesale Distributors Association | Undecided | GA86 |
| Bill Wimmer | Iowa Wholesale Distributors Association | Undecided | GA86 |
| Ernie Adkison | Iowans for Tax Relief | Opposing | GA86 |
| Robert Solt | Iowans for Tax Relief | Opposing | GA86 |
| Larry Blixt | KWIK Trip, Inc. | Undecided | GA86 |
| John Pederson | Kum and Go, L.C. | Undecided | GA86 |
| Laura Book | Kum and Go, L.C. | Undecided | GA86 |
| Matt Eide | Kum and Go, L.C. | Undecided | GA86 |
| Erich Schmidt | Laborers International Union of North America | Supporting | GA86 |
| Gary Grant | Linn County Board of Supervisors | Supporting | GA86 |
| Larry Murphy | Linn County Board of Supervisors | Supporting | GA86 |
| Meghan Malloy | Linn County Board of Supervisors | Supporting | GA86 |
| David Adelman | Metropolitan Coalition | Supporting | GA86 |
| Brad Epperly | Monsanto Company | Supporting | GA86 |
| Scott Sundstrom | Monsanto Company | Supporting | GA86 |
| Angela Davis | Mystique Casino | Undecided | GA86 |
| Bill Wimmer | Mystique Casino | Undecided | GA86 |
| Dawn Carlson | Petroleum Marketers and Convenience Stores of Iowa | Opposing | GA86 |
| Dustin Noble | 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 |
| John Cacciatore | Plumbers and Steam Fitters Local 33 | Supporting | GA86 |
| Amy Campbell | Professional Developers of Iowa (PDI) | Supporting | GA86 |
| Craig Patterson | Professional Developers of Iowa (PDI) | Supporting | GA86 |
| Scott VanDeWoestyne | Quad Cities Chamber of Commerce | Supporting | GA86 |
| Katie DeVore | Renewable Energy Group (REG) | Supporting | GA86 |
| Scott Hedderich | Renewable Energy Group (REG) | Supporting | GA86 |
| Danny Carroll | The Family Leader | Opposing | GA86 |
| Greg Baker | The Family Leader | Opposing | GA86 |
| Tamara Scott | The Family Leader | Opposing | GA86 |
| Chuck Hurley | The Family Leader Foundation | Opposing | GA86 |
| Greg Baker | The Family Leader Foundation | Opposing | GA86 |
| Amy Campbell | Travel Federation of Iowa | Undecided | GA86 |
| Craig Patterson | Travel Federation of Iowa | Undecided | GA86 |
| Bob Rafferty | Truckstops of Iowa | Opposing | GA86 |
| John Pederson | UPS | Undecided | GA86 |
| Laura Book | UPS | Undecided | GA86 |
| Matt Eide | UPS | Undecided | GA86 |
| Gary Grant | Urban County Coalition | Supporting | GA86 |
| Larry Murphy | Urban County Coalition | Supporting | GA86 |
| Meghan Malloy | Urban County Coalition | Supporting | GA86 |
| Mike Heller | Waste Management, Inc. | Undecided | GA86 |
| Paula Feltner | Waste Management, Inc. | Undecided | GA86 |