| City, County, & School Bargaining Units | | |
| Buchanan County Roads | | Delaware County Roads |
| Buchanan County | | Delaware County Sheriff |
| Burlington CSD - Custodial | | Des Moines County Roads |
| Burlington CSD - Food Service | | Des Moines Independent Community School District |
| Burlington CSD - Support | | Great River Regional Waste Authority |
| City of Bloomfield - Mixed | | Great River/Southern Prairie AEA |
| City of Cedar Falls Municipal Utilities | | Harrison County Roads |
| City of Cedar Rapids/Linn County Solid Waste Agency | | Howard County Dispatch |
| City of Centerville Police | | Howard County Roads |
| City of Coralville - Mixed | | Howard-Winneshiek CSD |
| City of Davenport - Mixed | | Ida County Sheriff |
| City of Davenport Public Library | | Jackson County Conserv. Board |
| City of Decorah Library | | Jasper County - Mixed |
| City of Decorah Mixed | | Jasper County Board of Health |
| City of Des Moines Housing | | Lakes Regional Healthcare |
| City of Emmetsburg Municipal Utilities | | Louisa County Roads |
| City of Estherville Police | | Louisa County Sheriff |
| City of Estherville Public Works | | Melcher-Dallas CSD |
| City of Glenwood | | Mitchell County Regional Health Center |
| City of Harlan Municipal Utilities | | Monroe County Roads |
| City of Lake View | | Muscatine County Mixed |
| City of Missouri Valley Police | | Osceola County Sheriff |
| City of Onawa Public Works | | Pottawattamie County Dispatch |
| City of Ottumwa Public Library | | Pottawattamie County Mixed |
| Crawford County Hospital - Non Professional | | Pottawattamie County Roads |
| Crawford County Hospital - Patient Care | | Shelby County EMA Board |
| Creston Community School District | | Shelby County Secondary Roads |
| Davenport CSD - Blue Collar | | Shelby County Sheriff |
| Davenport CSD - Food Service | | Southeast Warren CSD |
| Davenport CSD - Support - Paras | | Winneshiek County Sheriff |
| Davenport CSD - Support - Secretarial | | |
