| HF 1054 | For | Gevo | Iowa | GA91 |
| HF 2104 | Against | Gevo | Iowa | GA91 |
| HF 2342 | Against | Gevo | Iowa | GA91 |
| HF 639 | Against | Gevo | Iowa | GA91 |
| HF 834 | Undecided | Gevo | Iowa | GA91 |
| HF 943 | Against | Gevo | Iowa | GA91 |
| HF 987 | Undecided | Gevo | Iowa | GA91 |
| HSB 301 | Undecided | Gevo | Iowa | GA91 |
| HSB 305 | For | Gevo | Iowa | GA91 |
| HSB 322 | Undecided | Gevo | Iowa | GA91 |
| HSB 507 | Against | Gevo | Iowa | GA91 |
| SF 585 | Undecided | Gevo | Iowa | GA91 |
| SF 657 | For | Gevo | Iowa | GA91 |
| SSB 1205 | For | Gevo | Iowa | GA91 |
| HF 2522 | Against | Gevo | Iowa | GA90 |
| HF 2664 | Against | Gevo | Iowa | GA90 |
| HF 368 | Against | Gevo | Iowa | GA90 |
| HF 565 | Against | Gevo | Iowa | GA90 |
| SF 346 | Against | Gevo | Iowa | GA90 |
| HF 2128 | For | Chevron Renewable Energy Group | Iowa | GA89 |
| HF 859 | For | Chevron Renewable Energy Group | Iowa | GA89 |
| HSB 185 | For | Chevron Renewable Energy Group | Iowa | GA89 |
| HSB 594 | For | Chevron Renewable Energy Group | Iowa | GA89 |
| SF 2231 | Undecided | Chevron Renewable Energy Group | Iowa | GA89 |
| SF 481 | For | Chevron Renewable Energy Group | Iowa | GA89 |
| SF 549 | For | Chevron Renewable Energy Group | Iowa | GA89 |
| SSB 1179 | For | Chevron Renewable Energy Group | Iowa | GA89 |
| SSB 3084 | For | Chevron Renewable Energy Group | Iowa | GA89 |
| HF 2279 | For | Renewable Energy Group (REG) | Iowa | GA88 |
| HF 2567 | Against | Renewable Energy Group (REG) | Iowa | GA88 |
| HF 2642 | For | Renewable Energy Group (REG) | Iowa | GA88 |
| HF 655 | For | Renewable Energy Group (REG) | Iowa | GA88 |
| HF 669 | Undecided | Renewable Energy Group (REG) | Iowa | GA88 |
| HF 765 | For | Renewable Energy Group (REG) | Iowa | GA88 |
| HSB 185 | Against | Renewable Energy Group (REG) | Iowa | GA88 |
| HSB 251 | For | Renewable Energy Group (REG) | Iowa | GA88 |
| HSB 562 | For | Renewable Energy Group (REG) | Iowa | GA88 |
| HSB 689 | Undecided | Renewable Energy Group (REG) | Iowa | GA88 |
| HSB 712 | For | Renewable Energy Group (REG) | Iowa | GA88 |
| SF 2403 | For | Renewable Energy Group (REG) | Iowa | GA88 |
| SF 2417 | For | Renewable Energy Group (REG) | Iowa | GA88 |
| SF 314 | For | Renewable Energy Group (REG) | Iowa | GA88 |
| SF 583 | Undecided | Renewable Energy Group (REG) | Iowa | GA88 |
| SF 628 | For | Renewable Energy Group (REG) | Iowa | GA88 |
| SSB 1201 | Against | Renewable Energy Group (REG) | Iowa | GA88 |
| SSB 1246 | For | Renewable Energy Group (REG) | Iowa | GA88 |
| SSB 3126 | For | Renewable Energy Group (REG) | Iowa | GA88 |
| SSB 3204 | For | Renewable Energy Group (REG) | Iowa | GA88 |
| HF 219 | For | Renewable Energy Group (REG) | Iowa | GA87 |
| HF 2497 | For | Renewable Energy Group (REG) | Iowa | GA87 |
| HF 643 | For | Renewable Energy Group (REG) | Iowa | GA87 |
| HF 652 | Against | Renewable Energy Group (REG) | Iowa | GA87 |
| HSB 187 | Against | Renewable Energy Group (REG) | Iowa | GA87 |
| HSB 697 | For | Renewable Energy Group (REG) | Iowa | GA87 |
| SF 2311 | Against | Renewable Energy Group (REG) | Iowa | GA87 |
| SF 2311 | Undecided | Renewable Energy Group (REG) | Iowa | GA87 |
| SF 2414 | For | Renewable Energy Group (REG) | Iowa | GA87 |
| SF 514 | For | Renewable Energy Group (REG) | Iowa | GA87 |
| SSB 3218 | For | Renewable Energy Group (REG) | Iowa | GA87 |
| HF 102 | For | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Iowa | GA86 |
| HF 102 | Undecided | National Multiple Sclerosis Society-Upper Midwest Chapter | Iowa | GA86 |
| HF 102 | Undecided | Visiting Nurse Services of Iowa | Iowa | GA86 |
| HF 103 | Undecided | American Legion of Iowa | Iowa | GA86 |
| HF 106 | For | Epilepsy Foundation | Iowa | GA86 |
| HF 106 | For | Visiting Nurse Services of Iowa | Iowa | GA86 |
| HF 106 | Undecided | Easter Seals Iowa | Iowa | GA86 |
| HF 107 | For | Easter Seals Iowa | Iowa | GA86 |
| HF 107 | Undecided | YMCA State Alliance | Iowa | GA86 |
| HF 13 | Undecided | YMCA State Alliance | Iowa | GA86 |
| HF 130 | For | Iowa Emergency Management Association | Iowa | GA86 |
| HF 133 | For | National Multiple Sclerosis Society-Upper Midwest Chapter | Iowa | GA86 |
| HF 133 | Undecided | Brain Injury Alliance of Iowa | Iowa | GA86 |
| HF 133 | Undecided | Epilepsy Foundation | Iowa | GA86 |
| HF 133 | Undecided | Visiting Nurse Services of Iowa | Iowa | GA86 |
| HF 137 | For | Iowa Emergency Management Association | Iowa | GA86 |
| HF 141 | Undecided | Visiting Nurse Services of Iowa | Iowa | GA86 |
| HF 144 | Undecided | Iowa Farmers Union | Iowa | GA86 |
| HF 147 | For | Iowa Farmers Union | Iowa | GA86 |
| HF 148 | For | Iowa Farmers Union | Iowa | GA86 |
| HF 149 | For | Iowa Farmers Union | Iowa | GA86 |
| HF 156 | For | Easter Seals Iowa | Iowa | GA86 |
| HF 156 | For | YMCA State Alliance | Iowa | GA86 |
| HF 156 | Undecided | Visiting Nurse Services of Iowa | Iowa | GA86 |
| HF 157 | For | Visiting Nurse Services of Iowa | Iowa | GA86 |
| HF 157 | Undecided | Advocacy Strategies | Iowa | GA86 |
| HF 163 | For | Visiting Nurse Services of Iowa | Iowa | GA86 |
| HF 172 | Undecided | Brain Injury Alliance of Iowa | Iowa | GA86 |
| HF 172 | Undecided | Easter Seals Iowa | Iowa | GA86 |
| HF 172 | Undecided | Free Clinics of Iowa | Iowa | GA86 |
| HF 172 | Undecided | Iowa Occupational Therapy Association | Iowa | GA86 |
| HF 172 | Undecided | National Multiple Sclerosis Society-Upper Midwest Chapter | Iowa | GA86 |
| HF 172 | Undecided | Visiting Nurse Services of Iowa | Iowa | GA86 |
| HF 173 | Undecided | Iowa Occupational Therapy Association | Iowa | GA86 |
| HF 173 | Undecided | National Multiple Sclerosis Society-Upper Midwest Chapter | Iowa | GA86 |
| HF 173 | Undecided | Visiting Nurse Services of Iowa | Iowa | GA86 |
| HF 174 | For | Brain Injury Alliance of Iowa | Iowa | GA86 |
| HF 174 | For | National Multiple Sclerosis Society-Upper Midwest Chapter | Iowa | GA86 |
| HF 174 | For | Visiting Nurse Services of Iowa | Iowa | GA86 |
| HF 177 | For | Visiting Nurse Services of Iowa | Iowa | GA86 |
| HF 177 | For | YMCA State Alliance | Iowa | GA86 |
| HF 179 | For | Visiting Nurse Services of Iowa | Iowa | GA86 |
| HF 18 | For | IBEW Iowa State Conference | Iowa | GA86 |
| HF 180 | Undecided | Visiting Nurse Services of Iowa | Iowa | GA86 |
| HF 19 | For | IBEW Iowa State Conference | Iowa | GA86 |
| HF 193 | For | Des Moines University | Iowa | GA86 |
| HF 198 | For | Brain Injury Alliance of Iowa | Iowa | GA86 |
| HF 198 | For | National Multiple Sclerosis Society-Upper Midwest Chapter | Iowa | GA86 |
| HF 198 | Undecided | Visiting Nurse Services of Iowa | Iowa | GA86 |
| HF 199 | For | Iowa Emergency Management Association | Iowa | GA86 |
| HF 20 | For | IBEW Iowa State Conference | Iowa | GA86 |
| HF 202 | For | Visiting Nurse Services of Iowa | Iowa | GA86 |
| HF 203 | For | Iowa Sleep Society | Iowa | GA86 |
| HF 205 | Undecided | American Legion of Iowa | Iowa | GA86 |
| HF 206 | For | American Legion of Iowa | Iowa | GA86 |
| HF 209 | For | Iowa Farmers Union | Iowa | GA86 |
| HF 21 | For | IBEW Iowa State Conference | Iowa | GA86 |
| HF 210 | For | Iowa Farmers Union | Iowa | GA86 |
| HF 215 | Undecided | Visiting Nurse Services of Iowa | Iowa | GA86 |
| HF 217 | Undecided | Brain Injury Alliance of Iowa | Iowa | GA86 |
| HF 217 | Undecided | Easter Seals Iowa | Iowa | GA86 |
| HF 2175 | For | Renewable Energy Group (REG) | Iowa | GA86 |
| HF 218 | For | Brain Injury Alliance of Iowa | Iowa | GA86 |
| HF 218 | For | Easter Seals Iowa | Iowa | GA86 |
| HF 218 | For | National Multiple Sclerosis Society-Upper Midwest Chapter | Iowa | GA86 |
| HF 218 | For | Visiting Nurse Services of Iowa | Iowa | GA86 |
| HF 218 | Undecided | AstraZeneca Pharmaceuticals LP | Iowa | GA86 |
| HF 219 | For | Iowa Farmers Union | Iowa | GA86 |
| HF 22 | For | IBEW Iowa State Conference | Iowa | GA86 |
| HF 224 | Against | Iowa Farmers Union | Iowa | GA86 |
| HF 225 | For | IBEW Iowa State Conference | Iowa | GA86 |
| HF 225 | For | Iowa Farmers Union | Iowa | GA86 |
| HF 226 | For | Iowa Farmers Union | Iowa | GA86 |
| HF 228 | Undecided | YMCA State Alliance | Iowa | GA86 |
| HF 2288 | For | Renewable Energy Group (REG) | Iowa | GA86 |
| HF 231 | Undecided | Visiting Nurse Services of Iowa | Iowa | GA86 |
| HF 236 | Undecided | Brain Injury Alliance of Iowa | Iowa | GA86 |
| HF 236 | Undecided | Easter Seals Iowa | Iowa | GA86 |
| HF 236 | Undecided | National Multiple Sclerosis Society-Upper Midwest Chapter | Iowa | GA86 |
| HF 236 | Undecided | Visiting Nurse Services of Iowa | Iowa | GA86 |
| HF 2381 | Undecided | Renewable Energy Group (REG) | Iowa | GA86 |
| HF 2397 | For | Renewable Energy Group (REG) | Iowa | GA86 |
| HF 2438 | For | Renewable Energy Group (REG) | Iowa | GA86 |
| HF 2462 | For | Renewable Energy Group (REG) | Iowa | GA86 |
| HF 2464 | Undecided | Renewable Energy Group (REG) | Iowa | GA86 |
| HF 247 | Undecided | Easter Seals Iowa | Iowa | GA86 |
| HF 247 | Undecided | Epilepsy Foundation | Iowa | GA86 |
| HF 247 | Undecided | National Multiple Sclerosis Society-Upper Midwest Chapter | Iowa | GA86 |
| HF 247 | Undecided | Visiting Nurse Services of Iowa | Iowa | GA86 |
| HF 25 | For | Brain Injury Alliance of Iowa | Iowa | GA86 |
| HF 251 | Undecided | Easter Seals Iowa | Iowa | GA86 |
| HF 251 | Undecided | National Multiple Sclerosis Society-Upper Midwest Chapter | Iowa | GA86 |
| HF 251 | Undecided | Visiting Nurse Services of Iowa | Iowa | GA86 |
| HF 255 | Undecided | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Iowa | GA86 |
| HF 257 | For | Easter Seals Iowa | Iowa | GA86 |
| HF 257 | For | National Multiple Sclerosis Society-Upper Midwest Chapter | Iowa | GA86 |
| HF 259 | Undecided | Easter Seals Iowa | Iowa | GA86 |
| HF 259 | Undecided | IBEW Iowa State Conference | Iowa | GA86 |
| HF 259 | Undecided | YMCA State Alliance | Iowa | GA86 |
| HF 263 | Undecided | Easter Seals Iowa | Iowa | GA86 |
| HF 263 | Undecided | Visiting Nurse Services of Iowa | Iowa | GA86 |
| HF 267 | For | Brain Injury Alliance of Iowa | Iowa | GA86 |
| HF 268 | For | Des Moines Water Works | Iowa | GA86 |
| HF 268 | For | Iowa Farmers Union | Iowa | GA86 |
| HF 268 | For | Iowa Rivers Revival | Iowa | GA86 |
| HF 270 | For | Easter Seals Iowa | Iowa | GA86 |
| HF 270 | Undecided | YMCA State Alliance | Iowa | GA86 |
| HF 271 | Undecided | Advocacy Strategies | Iowa | GA86 |
| HF 286 | For | Easter Seals Iowa | Iowa | GA86 |
| HF 286 | Undecided | Visiting Nurse Services of Iowa | Iowa | GA86 |
| HF 289 | For | Iowa Farmers Union | Iowa | GA86 |
| HF 290 | For | Iowa Farmers Union | Iowa | GA86 |
| HF 294 | For | Easter Seals Iowa | Iowa | GA86 |
| HF 294 | Undecided | YMCA State Alliance | Iowa | GA86 |
| HF 295 | For | Easter Seals Iowa | Iowa | GA86 |
| HF 295 | Undecided | YMCA State Alliance | Iowa | GA86 |
| HF 30 | For | IBEW Iowa State Conference | Iowa | GA86 |
| HF 306 | For | CAFE Iowa Citizen's Action Network (Clean Air for Everyone) | Iowa | GA86 |
| HF 307 | Undecided | YMCA State Alliance | Iowa | GA86 |
| HF 31 | Undecided | Iowa Cosmetology School Association | Iowa | GA86 |
| HF 316 | Undecided | Iowa Farmers Union | Iowa | GA86 |
| HF 316 | Undecided | Iowa Rivers Revival | Iowa | GA86 |
| HF 317 | For | Brain Injury Alliance of Iowa | Iowa | GA86 |
| HF 317 | For | Easter Seals Iowa | Iowa | GA86 |
| HF 317 | Undecided | AstraZeneca Pharmaceuticals LP | Iowa | GA86 |
| HF 317 | Undecided | National Multiple Sclerosis Society-Upper Midwest Chapter | Iowa | GA86 |
| HF 317 | Undecided | Visiting Nurse Services of Iowa | Iowa | GA86 |
| HF 328 | Undecided | Visiting Nurse Services of Iowa | Iowa | GA86 |
| HF 336 | Undecided | National Multiple Sclerosis Society-Upper Midwest Chapter | Iowa | GA86 |
| HF 336 | Undecided | Visiting Nurse Services of Iowa | Iowa | GA86 |
| HF 34 | Undecided | Brain Injury Alliance of Iowa | Iowa | GA86 |
| HF 343 | For | Epilepsy Foundation | Iowa | GA86 |
| HF 343 | For | YMCA State Alliance | Iowa | GA86 |
| HF 343 | Undecided | Easter Seals Iowa | Iowa | GA86 |
| HF 343 | Undecided | National Multiple Sclerosis Society-Upper Midwest Chapter | Iowa | GA86 |
| HF 344 | Against | IBEW Iowa State Conference | Iowa | GA86 |
| HF 344 | Withdrawn | IBEW Iowa State Conference | Iowa | GA86 |
| HF 347 | For | Visiting Nurse Services of Iowa | Iowa | GA86 |
| HF 347 | For | YMCA State Alliance | Iowa | GA86 |
| HF 347 | Undecided | Easter Seals Iowa | Iowa | GA86 |
| HF 349 | For | AstraZeneca Pharmaceuticals LP | Iowa | GA86 |
| HF 349 | For | Easter Seals Iowa | Iowa | GA86 |
| HF 349 | For | Epilepsy Foundation | Iowa | GA86 |
| HF 349 | For | National Multiple Sclerosis Society-Upper Midwest Chapter | Iowa | GA86 |
| HF 349 | For | Novartis Services, Inc. | Iowa | GA86 |
| HF 349 | Undecided | Visiting Nurse Services of Iowa | Iowa | GA86 |
| HF 35 | For | Brain Injury Alliance of Iowa | Iowa | GA86 |
| HF 351 | For | Iowa Farmers Union | Iowa | GA86 |
| HF 353 | Against | Des Moines Water Works | Iowa | GA86 |
| HF 353 | Against | Iowa Farmers Union | Iowa | GA86 |
| HF 354 | For | Visiting Nurse Services of Iowa | Iowa | GA86 |
| HF 355 | Undecided | Iowa Farmers Union | Iowa | GA86 |
| HF 36 | For | IBEW Iowa State Conference | Iowa | GA86 |
| HF 360 | For | Des Moines University | Iowa | GA86 |
| HF 361 | For | Brain Injury Alliance of Iowa | Iowa | GA86 |
| HF 361 | For | Easter Seals Iowa | Iowa | GA86 |
| HF 361 | Undecided | Visiting Nurse Services of Iowa | Iowa | GA86 |
| HF 362 | For | Easter Seals Iowa | Iowa | GA86 |
| HF 362 | Undecided | Brain Injury Alliance of Iowa | Iowa | GA86 |
| HF 362 | Undecided | Visiting Nurse Services of Iowa | Iowa | GA86 |
| HF 365 | For | Des Moines Water Works | Iowa | GA86 |
| HF 375 | For | Des Moines Water Works | Iowa | GA86 |
| HF 377 | Undecided | American Legion of Iowa | Iowa | GA86 |
| HF 38 | For | IBEW Iowa State Conference | Iowa | GA86 |
| HF 380 | Against | Iowa Occupational Therapy Association | Iowa | GA86 |
| HF 381 | For | Easter Seals Iowa | Iowa | GA86 |
| HF 381 | For | Epilepsy Foundation | Iowa | GA86 |
| HF 381 | For | National Multiple Sclerosis Society-Upper Midwest Chapter | Iowa | GA86 |
| HF 381 | Undecided | AstraZeneca Pharmaceuticals LP | Iowa | GA86 |
| HF 381 | Undecided | Brain Injury Alliance of Iowa | Iowa | GA86 |
| HF 381 | Undecided | Visiting Nurse Services of Iowa | Iowa | GA86 |
| HF 386 | Undecided | American Legion of Iowa | Iowa | GA86 |
| HF 387 | Undecided | Des Moines University | Iowa | GA86 |
| HF 389 | For | Iowa Farmers Union | Iowa | GA86 |
| HF 39 | For | IBEW Iowa State Conference | Iowa | GA86 |
| HF 395 | For | Epilepsy Foundation | Iowa | GA86 |
| HF 395 | For | National Multiple Sclerosis Society-Upper Midwest Chapter | Iowa | GA86 |
| HF 395 | Undecided | AstraZeneca Pharmaceuticals LP | Iowa | GA86 |
| HF 395 | Undecided | Easter Seals Iowa | Iowa | GA86 |
| HF 397 | Undecided | Easter Seals Iowa | Iowa | GA86 |
| HF 397 | Undecided | YMCA State Alliance | Iowa | GA86 |
| HF 398 | For | Iowa Farmers Union | Iowa | GA86 |
| HF 40 | For | IBEW Iowa State Conference | Iowa | GA86 |
| HF 401 | Against | Des Moines Water Works | Iowa | GA86 |
| HF 401 | Undecided | Iowa Farmers Union | Iowa | GA86 |
| HF 402 | Undecided | Brain Injury Alliance of Iowa | Iowa | GA86 |
| HF 402 | Undecided | National Multiple Sclerosis Society-Upper Midwest Chapter | Iowa | GA86 |
| HF 404 | For | Brain Injury Alliance of Iowa | Iowa | GA86 |
| HF 404 | For | Easter Seals Iowa | Iowa | GA86 |
| HF 404 | For | Iowa Sleep Society | Iowa | GA86 |
| HF 404 | For | National Multiple Sclerosis Society-Upper Midwest Chapter | Iowa | GA86 |