| Angela Sylling | American Cancer Society Cancer Action Network (ACS CAN) | Supporting | GA88 |
| Danielle Oswald-Thole | American Cancer Society Cancer Action Network (ACS CAN) | Supporting | GA88 |
| Micki Sandquist | American Lung Association | Supporting | GA88 |
| Dane Schumann | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Supporting | GA88 |
| Dane Schumann | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Undecided | GA88 |
| Maddie Wilcox | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Supporting | GA88 |
| Maddie Wilcox | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Undecided | GA88 |
| Threase Harms | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Supporting | GA88 |
| Threase Harms | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Undecided | GA88 |
| Tim Reilly | Department of Revenue | Undecided | GA88 |
| Dane Schumann | EveryStep | Undecided | GA88 |
| Maddie Wilcox | EveryStep | Undecided | GA88 |
| Threase Harms | EveryStep | Undecided | GA88 |
| Dawn Carlson | FUELIowa (PMCI) | Undecided | GA88 |
| Kellie Paschke | FUELIowa (PMCI) | Undecided | GA88 |
| Troy Skinner | FUELIowa (PMCI) | Undecided | GA88 |
| Mike Heller | Father Flanagans Boys Home | Undecided | GA88 |
| Paula Feltner | Father Flanagans Boys Home | Undecided | GA88 |
| Dale Woolery | Governors Office of Drug Control Policy | Undecided | GA88 |
| Dane Schumann | Iowa Alliance of YMCA's | Supporting | GA88 |
| Maddie Wilcox | Iowa Alliance of YMCA's | Supporting | GA88 |
| Threase Harms | Iowa Alliance of YMCA's | Supporting | GA88 |
| Amy Campbell | Iowa Association of Rural Health Clinics | Supporting | GA88 |
| Craig Patterson | Iowa Association of Rural Health Clinics | Supporting | GA88 |
| Amy Campbell | Iowa Behavioral Health Association (IBHA) | Supporting | GA88 |
| Craig Patterson | Iowa Behavioral Health Association (IBHA) | Supporting | GA88 |
| Brad Epperly | Iowa Grocery Industry Association | Undecided | GA88 |
| Dustin Miller | Iowa Grocery Industry Association | Undecided | GA88 |
| Katie Graham | Iowa Grocery Industry Association | Undecided | GA88 |
| Paula Dierenfeld | Iowa Grocery Industry Association | Undecided | GA88 |
| Amy Campbell | Iowa Primary Care Association | Supporting | GA88 |
| Craig Patterson | Iowa Primary Care Association | Supporting | GA88 |
| Brad Epperly | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Dustin Miller | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Katie Graham | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Paula Dierenfeld | Iowa Society of Certified Public Accountants | Undecided | GA88 |
| Mike Heller | Iowa State Police Association | Undecided | GA88 |
| Paula Feltner | Iowa State Police Association | Undecided | GA88 |
| Michael Triplett | Iowans For Alternatives To Smoking And Tobacco | Opposing | GA88 |
| Jake Ketzner | KWIK Trip, Inc. | Undecided | GA88 |
| Larry Blixt | KWIK Trip, Inc. | Undecided | GA88 |
| Bob Rafferty | National Multiple Sclerosis Society-Upper Midwest Chapter | Undecided | GA88 |
| Dane Schumann | National Multiple Sclerosis Society-Upper Midwest Chapter | Undecided | GA88 |
| Maddie Wilcox | National Multiple Sclerosis Society-Upper Midwest Chapter | Undecided | GA88 |
| Threase Harms | National Multiple Sclerosis Society-Upper Midwest Chapter | Undecided | GA88 |
| Michael Triplett | Vapor Technology Association | Opposing | GA88 |