| 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 | Undecided | GA86 |
| Jerry Fitzgerald | Agribusiness Association of Iowa | Undecided | GA86 |
| Maggie Smith-Fitzgerald | Agribusiness Association of Iowa | Undecided | GA86 |
| Matt Fitzgerald | Agribusiness Association of Iowa | Undecided | GA86 |
| Michael Triplett | Alliance of Automobile Manufacturers | Undecided | GA86 |
| Dylan Mullenix | American Planning Association Iowa Chapter | Supporting | GA86 |
| Christopher Riley | Archer Daniels Midland Company | Undecided | GA86 |
| Scott Newhard | Associated General Contractors of Iowa | Supporting | 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 |
| Thomas Jochum | Central Iowa Building Construction Trades Council | Supporting | GA86 |
| Gary Grant | City of Cedar Rapids | Supporting | GA86 |
| Gary Grant | City of Cedar Rapids | Undecided | GA86 |
| Larry Murphy | City of Cedar Rapids | Supporting | GA86 |
| Larry Murphy | City of Cedar Rapids | Withdrawn | GA86 |
| Larry Murphy | City of Cedar Rapids | Undecided | GA86 |
| Meghan Malloy | City of Cedar Rapids | Supporting | GA86 |
| Meghan Malloy | City of Cedar Rapids | Undecided | 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 |
| Phil Tuning | Deere & Company | Undecided | GA86 |
| Angela Davis | Enterprise Rent-A-Car | Undecided | GA86 |
| Bill Wimmer | Enterprise Rent-A-Car | Undecided | GA86 |
| Mark Foster | Greater Burlington Partnership | Supporting | GA86 |
| Andrea Woodard | Greater Des Moines Partnership | Supporting | GA86 |
| Brad Epperly | Greater Des Moines Partnership | Undecided | GA86 |
| Joseph Jones | Greater Des Moines Partnership | Supporting | 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 |
| Jake Oeth | IBEW Iowa State Conference | Undecided | GA86 |
| Kent Hartwig | IBEW Iowa State Conference | Undecided | GA86 |
| Threase Harms | IBEW Iowa State Conference | Undecided | GA86 |
| James Piazza, Jr. | International Union of Operating Engineers-Local 234 | Supporting | GA86 |
| Michael Triplett | Iowa Alliance of Surety Companies | 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 |
| Brad Epperly | Iowa Automobile Dealers Association | Supporting | GA86 |
| Brad Epperly | Iowa Automobile Dealers Association | Undecided | GA86 |
| Paula Dierenfeld | Iowa Automobile Dealers Association | Supporting | GA86 |
| Paula Dierenfeld | Iowa Automobile Dealers Association | Undecided | GA86 |
| Scott Sundstrom | Iowa Automobile Dealers Association | Supporting | GA86 |
| Scott Sundstrom | Iowa Automobile Dealers Association | Undecided | 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 |
| Rose Farver | Iowa Bicycle Coalition | Supporting | GA86 |
| Doug Struyk | Iowa Biodiesel Board | Supporting | GA86 |
| Doug Struyk | Iowa Biodiesel Board | Undecided | GA86 |
| Gary Dickey | Iowa Biodiesel Board | Supporting | GA86 |
| George Appleby | Iowa Biodiesel Board | Supporting | GA86 |
| George Appleby | Iowa Biodiesel Board | Undecided | GA86 |
| Jennifer Tyler | Iowa Biodiesel Board | Supporting | GA86 |
| Jennifer Tyler | Iowa Biodiesel Board | Undecided | GA86 |
| Jim Carney | Iowa Biodiesel Board | Supporting | GA86 |
| Jim Carney | Iowa Biodiesel Board | Undecided | GA86 |
| Justine Stevenson | Iowa Cattlemen's Association | Undecided | 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 |
| Mike Heller | Iowa Conservation Alliance | Undecided | GA86 |
| Paula Feltner | Iowa Conservation Alliance | 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 |
| 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 |
| Katherine Carlucci | Iowa Insurance Institute | Undecided | GA86 |
| Thomas Stanberry | Iowa Insurance Institute | Undecided | GA86 |
| Dustin Miller | Iowa League of Cities | Supporting | GA86 |
| Robert Palmer | Iowa League of Cities | Supporting | GA86 |
| Richard White | Iowa Limestone Producers Association | Supporting | GA86 |
| Angela Davis | Iowa Lumber Association | Undecided | GA86 |
| Bill Wimmer | Iowa Lumber Association | Undecided | GA86 |
| David Scott | Iowa Motor Truck Association | Supporting | GA86 |
| David Scott | Iowa Motor Truck Association | Undecided | 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 |
| Will Rogers | Iowa Nebraska Farm Equipment Dealers Association | Supporting | GA86 |
| Jim Obradovich | Iowa Public Airports Association | Supporting | GA86 |
| Grant Menke | Iowa Renewable Fuels Association (IRF) | Undecided | GA86 |
| Mike Heller | Iowa Renewable Fuels Association (IRF) | Undecided | GA86 |
| Paula Feltner | Iowa Renewable Fuels Association (IRF) | Undecided | 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 |
| Jamie Cashman | Iowa State Association of Counties | Undecided | GA86 |
| Kristi Harshbarger | Iowa State Association of Counties | Supporting | GA86 |
| Kristi Harshbarger | Iowa State Association of Counties | Undecided | GA86 |
| Lucas Beenken | Iowa State Association of Counties | Supporting | GA86 |
| Lucas Beenken | Iowa State Association of Counties | Undecided | GA86 |
| William Peterson | Iowa State Association of Counties | Supporting | GA86 |
| William Peterson | Iowa State Association of Counties | Undecided | GA86 |
| William Heckroth | Iowa State Association of County Supervisors | Supporting | GA86 |
| William Heckroth | Iowa State Association of County Supervisors | Undecided | 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 |
| Kelly Meyers | Iowa State Sheriffs' & Deputies' Association | Undecided | GA86 |
| Susan Cameron Daemen | Iowa State Sheriffs' & Deputies' Association | Undecided | GA86 |
| Jennifer Kingland | Iowa Taxpayers Association | Undecided | GA86 |
| Mike Heller | Iowa Wholesale Beer Distributors Association | Undecided | GA86 |
| Paula Feltner | Iowa Wholesale Beer Distributors 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 |
| 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 |
| Michael Triplett | Lafarge North American | Supporting | GA86 |
| Gary Grant | Linn County Board of Supervisors | Supporting | GA86 |
| Gary Grant | Linn County Board of Supervisors | Undecided | GA86 |
| Larry Murphy | Linn County Board of Supervisors | Supporting | GA86 |
| Larry Murphy | Linn County Board of Supervisors | Withdrawn | GA86 |
| Larry Murphy | Linn County Board of Supervisors | Undecided | GA86 |
| Meghan Malloy | Linn County Board of Supervisors | Supporting | GA86 |
| Meghan Malloy | Linn County Board of Supervisors | Undecided | GA86 |
| Mona Bond | Manatts Inc. | Withdrawn | GA86 |
| Mona Bond | Manatts Inc. | Undecided | GA86 |
| Mona Bond | Manatts Inc. | 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 |
| Kristin Failor | National Federation of Independent Business (NFIB /IA) | Undecided | 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 |
| John Cacciatore | Plumbers and Steam Fitters Local 33 | Supporting | GA86 |
| Brian Johnson | Polk County - Board of Supervisors | Undecided | GA86 |
| Craig Walter | Polk County - Board of Supervisors | Undecided | 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 |
| Scott Hedderich | Renewable Energy Group (REG) | Undecided | 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 |
| Gary Grant | Urban County Coalition | Undecided | GA86 |
| Larry Murphy | Urban County Coalition | Supporting | GA86 |
| Larry Murphy | Urban County Coalition | Undecided | GA86 |
| Meghan Malloy | Urban County Coalition | Undecided | GA86 |