| Indianapolis Metropolitan Police | Marion | Public Safety | 297 |
| South Bend, Mishawaka & St. Joseph County Police, Fire & EMS | St. Joseph | Public Safety | 97 |
| Terre Haute Public Safety and Vigo County Fire | Vigo | Public Safety | 71 |
| Grant County Public Safety | Grant | Public Safety | 57 |
| Kokomo Police and Fire, Howard County Sheriff / Fire Dispatch | Howard | Public Safety | 51 |
| Elkhart, Goshen & Elkhart County Police, Fire & EMS | Elkhart | Public Safety | 50 |
| Vanderburgh County Police, Fire, and EMS | Vanderburgh | Public Safety | 46 |
| Knox County Police, Fire and EMS | Knox | Public Safety | 45 |
| Henry County Public Safety | Henry | Public Safety | 31 |
| Michigan City Public Safety | La Porte | Public Safety | 26 |
| DeKalb County Sheriff, Fire / EMS, Auburn and Garrett Police / Fire | DeKalb | Public Safety | 21 |
| Lake County Public Safety | Lake | Public Safety | 20 |
| Starke County Sheriff Fire & EMS | Starke | Public Safety | 20 |
| Porter County Public Safety | Porter | Public Safety | 19 |
| Gibson County Sheriff, Fire and EMS, Princeton Police | Gibson | Public Safety | 18 |
| Lake County Public Safety | Lake | Public Safety | 18 |
| Johnson County Public Safety | Johnson | Public Safety | 17 |
| Dearborn County Police, Fire and EMS | Dearborn | Public Safety | 16 |
| Steuben County Public Safety | Steuben | Public Safety | 16 |
| Logansport and Cass County Public Safety (P25 SAFE-T) | Cass | Public Safety | 15 |
| Decatur County Sheriff, Fire and EMS, Greensburg Police | Decatur | Public Safety | 15 |
| Jackson County Public Safety | Jackson | Public Safety | 15 |
| Monroe and Brown Counties Public Safety | Brown | Public Safety | 14 |
| New Albany Police and Fire | Floyd | Public Safety | 13 |
| Allen County Fire | Allen | Public Safety | 12 |
| Clark County Public Safety | Clark | Public Safety | 12 |
| Noble County Public Safety | Noble | Public Safety | 12 |
| Grant County Police | Grant | Public Safety | 11 |
| Huntington City and County Police and Fire | Huntington | Public Safety | 11 |
| Scott County Public Safety | Scott | Public Safety | 11 |
| Shelby County Public Safety | Shelby | Public Safety | 11 |
| Fayette & Wayne County Public Safety | Fayette | Public Safety | 10 |
| Wabash, Huntington, Miami and Grant Counties Public Safety | Grant | Public Safety | 10 |
| Hamilton County Fire & EMS | Hamilton | Public Safety | 9 |
| Indianapolis Fire Department | Marion | Public Safety | 9 |
| Carroll County Fire and EMS | Carroll | Public Safety | 8 |
| Kosciusko County Public Safety | Kosciusko | Public Safety | 8 |
| LaPorte County Public Safety | La Porte | Public Safety | 8 |
| Marshall County Police, Fire, and EMS | Marshall | Public Safety | 8 |
| Union, Wayne, Fayette, Franklin County Public Safety | Fayette | Public Safety | 7 |
| Fulton County Public Safety - Analog | Fulton | Public Safety | 6 |
| Posey County Police, Fire and EMS | Posey | Public Safety | 6 |
| Jasper County Sheriff, Indiana State Police Districts 13 & 14 | Jasper | Public Safety | 5 |
| Morgan County Fire and EMS | Morgan | Public Safety | 5 |
| Randolph County Public Safety | Randolph | Public Safety | 5 |
| Muncie and Delaware County Public Safety | Delaware | Public Safety | 4 |
| Fountain County Fire and EMS, Warren County EMS | Fountain | Public Safety | 4 |
| Hancock County Sheriff, Fire and EMS, Greenfield Police Dispatch | Hancock | Public Safety | 4 |
| Hendricks County Police - Dispatch | Hendricks | Public Safety | 4 |
| Johnson County Fire & EMS | Johnson | Public Safety | 4 |
| Tell City Police, Fire and EMS | Perry | Public Safety | 4 |
| South Bend, Mishawaka & St Joseph Co Law Enforcement | St. Joseph | Public Safety | 4 |
| Tipton County Police, Fire, EMS and ISP | Tipton | Public Safety | 4 |
| Warrick / Spencer County Public Safety | Warrick | Public Safety | 4 |
| Boone County Fire and EMS | Boone | Public Safety | 3 |
| Kokomo Police and Howard County Sheriff | Howard | Public Safety | 3 |
| Jackson County Law Enforcement | Jackson | Public Safety | 3 |
| Mexico Volunteer Fire Ground | Miami | Public Safety | 3 |
| Norfolk Southern Chicago Mainline | St. Joseph | Rail | 3 |
| Tippecanoe County Law Enforcement | Tippecanoe | Public Safety | 3 |
| Odon VFD | Daviess | Public Safety | 2 |
| Linton Fire | Greene | Public Safety | 2 |
| Hendricks County Fire - Dispatch | Hendricks | Public Safety | 2 |
| Darke, Mercer, Randolph, Shelby and Jay Counties Fire and EMS | Jay | Public Safety | 2 |
| CSX CE&D and Subs | Knox | Rail | 2 |
| Hobart Area Public Safety | Lake | Public Safety | 2 |
| Indianapolis Area CSX, INRD and LIRC Railroad | Marion | Rail | 2 |
| Crawfordsville Police, Fire, and EMS | Montgomery | Public Safety | 2 |
| Putnam County Sheriff, Fire and EMS | Putnam | Public Safety | 2 |
| South Bend Metro Fire | St. Joseph | Public Safety | 2 |
| Spencer County Sheriff, Fire, and EMS | Spencer | Public Safety | 2 |
| Vanderburgh County Fire | Vanderburgh | Public Safety | 2 |
| Whitley County Sheriff Dispatch | Whitley | Public Safety | 2 |
| Benton County Emergency Management | Benton | Public Safety | 1 |
| Brown County Fire Dispatch | Brown | Public Safety | 1 |
| Clinton County Fire and EMS | Clinton | Public Safety | 1 |
| NOAA Weather Radio Dayton (WXJ46) | Fayette | Other | 1 |
| Floyd County Fire Paging and Dispatch | Floyd | Public Safety | 1 |
| Indiana State Police District 51 | Henry | Public Safety | 1 |
| Lagrange County Public Safety | Lagrange | Public Safety | 1 |
| Indianapolis Area Amateur Radio Repeaters | Marion | Amateur Radio | 1 |
| Perry County EMS | Perry | Public Safety | 1 |
| Pulaski County Public Safety | Pulaski | Public Safety | 1 |
| CSX NS Road and Dispatch | Tippecanoe | Rail | 1 |
| Tippecanoe County Fire | Tippecanoe | Public Safety | 1 |
| North Manchester Police, Fire, and EMS | Wabash | Public Safety | 1 |
| Wabash County Public Safety | Wabash | Public Safety | 1 |
| Salem Washington Township Fire | Washington | Public Safety | 1 |
| Franklin Township Fire | Washington | Public Safety | 1 |
| Norfolk Southern - New Castle District | Wayne | Rail | 1 |
| NS and CF&E at Fort Wayne | Allen | Rail | 0 |
| Fort Wayne Area Public Safety | Allen | Public Safety | 0 |
| Indiana State Police District 52 | Boone | Public Safety | 0 |
| Logansport Fire | Cass | Public Safety | 0 |
| Twelve Mile Fire | Cass | Public Safety | 0 |
| Clinton Fire | Cass | Public Safety | 0 |
| Galveston Fire | Cass | Public Safety | 0 |
| Harrison Fire | Cass | Public Safety | 0 |
| Royal Center VFD | Cass | Public Safety | 0 |
| Cass County EMA | Cass | Public Safety | 0 |