| University of Iowa | Johnson | 41.66113 | -91.53017 | 5 |
| Iowa City | Johnson | 41.66113 | -91.53017 | 5 |
| Radio Maintenance | | 41.87434 | -92.77505 | 80 |
| Coralville | Johnson | 41.6764 | -91.58045 | 3 |
| Johnson County | Johnson | 41.64446 | -91.59476 | 20 |
| North Liberty | Johnson | 41.74918 | -91.59795 | 3 |
| Special Events | Johnson | 41.64446 | -91.59476 | 20 |
| Linn County | Linn | 42.06666 | -91.60018 | 20 |
| Cedar Rapids | Linn | 41.9759 | -91.6731 | 10 |
| Marion | Linn | 42.03417 | -91.59768 | 6 |
| LifeGuard Air Ambulance | Linn | 42.06666 | -91.60018 | 40 |
| Eastern Iowa Airport | Linn | 41.88786 | -91.70934 | 2 |
| University Heights | Johnson | 41.65502 | -91.55684 | 2 |
| State of Iowa - Department of Corrections High Risk Unit | Johnson | 41.64446 | -91.59476 | 20 |
| Black Hawk County | Black Hawk | 42.46665 | -92.31685 | 18 |
| Waterloo | Black Hawk | 42.49276 | -92.34296 | 7 |
| Cedar Falls | Black Hawk | 42.52776 | -92.44547 | 6 |
| Grundy County | Grundy | 42.39998 | -92.8002 | 17 |
| Jasper County | Jasper | 41.68332 | -93.0502 | 20 |
| Marshall County | Marshall | 42.03332 | -93.00076 | 17 |
| Marshalltown | Marshall | 42.03321 | -92.91019 | 5 |
| Polk County | Polk | 41.68332 | -93.58355 | 20 |
| Polk County - Local Government | Polk | 41.68332 | -93.58355 | 19 |
| Prairie Meadows Casino and Hotel | Polk | 41.65391 | -93.48902 | 0.7 |
| Iowa County | Iowa | 41.68334 | -92.06685 | 18 |
| ISICS - Simulcast | | 42.01883 | -93.59546 | 180 |
| Story County | Story | 42.01374 | -93.46407 | 20 |
| Ames | Story | 42.03427 | -93.63276 | 5 |
| Camp Dodge | Polk | 41.69923 | -93.71311 | 3 |
| Iowa State University | Story | 42.02428 | -93.64687 | 4 |
| Saylorville Lake | Polk | 41.75231 | -93.73315 | 5 |
| Oelwein | Fayette | 42.67145 | -91.91233 | 5 |
| Dubuque County | Dubuque | 42.49843 | -90.84595 | 21 |
| Tri-County Drug Task Force | Black Hawk | 42.61443 | -92.2802 | 25 |
| Dubuque | Dubuque | 42.49262 | -90.71543 | 4 |
| Dubuque County - Local Government | Dubuque | 42.49843 | -90.84595 | 21 |
| Des Moines | Polk | 41.58669 | -93.60901 | 8 |
| Washington County | Washington | 41.33335 | -91.71683 | 17.2 |
| Tama County | Tama | 42.06666 | -92.53353 | 25 |
| Buchanan County | Buchanan | 42.46665 | -91.85017 | 25 |
| Patches | | 41.87536 | -92.06131 | 100 |
| Scott County | Scott | 41.63336 | -90.63347 | 19 |
| Davenport | Scott | 41.52935 | -90.58438 | 8 |
| Bettendorf | Scott | 41.57006 | -90.46984 | 4.5 |
| Rock Island County | Rock Island | 41.50061 | -90.46726 | 15 |
| Rock Island | Rock Island | 41.50061 | -90.46726 | 10 |
| QCOMM Consolidated Dispatch | Rock Island | 41.50061 | -90.46726 | 10 |
| MEDCOM | Scott | 41.52503 | -90.51086 | 15 |
| Moline/East Moline | Rock Island | 41.48955 | -90.50263 | 10 |
| Eldridge | Scott | 41.65809 | -90.58458 | 3 |
| Rock Island Arsenal | Rock Island | 41.51745 | -90.54583 | 5 |
| Palmer College | Scott | 41.52663 | -90.5742 | 1 |
| Quad Cities Area | Scott | 41.52673 | -90.53702 | 10 |
| Augustana College | Rock Island | 41.5032 | -90.55164 | 1 |
| Black Hawk College | Rock Island | 41.47666 | -90.44757 | 0.5 |
| Mahaska County | Mahaska | 0 | 0 | 0 |
| Task Force 1 | | 0 | 0 | 0 |
| Cedar County | Cedar | 41.76669 | -91.13349 | 18 |
| SARA Interoperability | | 0 | 0 | 0 |
| Riverdale School District | Rock Island | 0 | 0 | 0 |
| Benton County | Benton | 42.077 | -92.056 | 20 |
| Poweshiek County | Poweshiek | 0 | 0 | 0 |
| Grinnell | Poweshiek | 41.7462 | -92.72742 | 5 |
| Grinnell College | Poweshiek | 41.74989 | -92.72084 | 1 |
