| St. Charles County | Dispatch and Alarm | 38.78192 | -90.60425 | 25 |
| St. Charles County | Police / Sheriff | 38.78192 | -90.60425 | 25 |
| St. Charles County | Emergency Management (SCCDEM) | 38.78192 | -90.60425 | 25 |
| St. Charles County | Government | 38.78192 | -90.60425 | 25 |
| EMS Agencies and Hospitals | Ambulance District (SCCAD) | 38.78192 | -90.60425 | 25 |
| EMS Agencies and Hospitals | Hospital ER | 38.78192 | -90.60425 | 25 |
| Municipalities and Districts | Central County Fire And Rescue (CCFR) | 38.784 | -90.565 | 5 |
| Municipalities and Districts | Public Water Suppy Districts | 38.804 | -90.79 | 9 |
| Municipalities and Districts | Lake Saint Louis | 38.79755 | -90.78568 | 1 |
| Municipalities and Districts | O'Fallon | 38.80761 | -90.70313 | 3 |
| Municipalities and Districts | Saint Charles (City) | 38.78112 | -90.51155 | 3 |
| Municipalities and Districts | Saint Peters | 38.77925 | -90.6118 | 4 |
| Municipalities and Districts | Wentzville | 38.81144 | -90.85291 | 1 |
| Municipalities and Districts | West Alton | 38.86505 | -90.22261 | 0.5 |
| Schools | First Student Buses | 38.78192 | -90.60425 | 25 |
| Schools | Fort Zumwalt School District | 38.762 | -90.648 | 5.43 |
| Schools | Francis Howell School District R-3 (New Melle/St. Charles) | 38.70977 | -90.87958 | 3 |
| Schools | Lutheran Schools | 38.785 | -90.566 | 7.57 |
| Schools | Orchard Farm R-5 Reorganized School District | 38.89867 | -90.44456 | 2 |
| Schools | St. Charles School District | 38.787 | -90.528 | 3.4 |
| Schools | Wentzville R4 School District | 38.81144 | -90.85291 | 2 |
| Colleges | Lindenwood University (St Charles) | 38.78714 | -90.504 | 0.42 |
| Colleges | St. Charles Community College (St Peters) | 38.761 | -90.641 | 0.4 |
| Federal Government | Miscellaneous | 38.78192 | -90.60425 | 25 |
| Amateur Radio | Miscellaneous | 38.78192 | -90.60425 | 25 |
