| Will County | 911: Police/Fire | 41.483 | -87.938 | 25.25 |
| Will County | Government | 41.483 | -87.938 | 25.25 |
| Will County | Pace Suburban Bus Service of the RTA | 41.483 | -87.938 | 25.25 |
| Will County | Red Cross | 41.483 | -87.938 | 25.25 |
| EMS Agencies and Hospitals | First Care Ambulance (Plainfield/Aurora) | 41.483 | -87.938 | 25.25 |
| EMS Agencies and Hospitals | Freedom EMS (Wilmington) | 41.483 | -87.938 | 25.25 |
| EMS Agencies and Hospitals | Hospital - Patient Reports | 41.483 | -87.938 | 25.25 |
| Consolidated Dispatch Centers | Laraway Communications Center (Joliet) | 41.483 | -87.938 | 25.25 |
| Consolidated Dispatch Centers | WESCOM - Western Will County Communications Network (Plainfield) | 41.483 | -87.938 | 25.25 |
| Consolidated Dispatch Centers | EASTCOM - Eastern Will County Communications Network | 41.33226 | -87.78532 | 20 |
| Consolidated Dispatch Centers | Lincolnway Communication Center (Frankfort) | 41.49587 | -87.84866 | 15 |
| Municipalities and Districts | Townships and Water Districts | 41.43337 | -87.96672 | 25 |
| Municipalities and Districts | Beecher | 41.34059 | -87.62143 | 1 |
| Municipalities and Districts | Bolingbrook | 41.69864 | -88.0684 | 2.75 |
| Municipalities and Districts | Braidwood | 41.26503 | -88.21228 | 2 |
| Municipalities and Districts | Channahon | 41.42948 | -88.22867 | 3 |
| Municipalities and Districts | Crest Hill | 41.55475 | -88.09867 | 1 |
| Municipalities and Districts | Crete | 41.44448 | -87.63143 | 1.5 |
| Municipalities and Districts | Crete Township Fire Protection District | 41.42785 | -87.60027 | 5 |
| Municipalities and Districts | Custer Township Fire Protection District | 41.24845 | -88.13521 | 5 |
| Municipalities and Districts | East Joliet | 41.53503 | -88.05172 | 1 |
| Municipalities and Districts | Elwood | 41.40392 | -88.11172 | 1 |
| Municipalities and Districts | Frankfort | 41.49587 | -87.84866 | 3 |
| Municipalities and Districts | Homer Glen | 41.60003 | -87.93811 | 3 |
| Municipalities and Districts | Homer Township Fire Protection District | 41.60003 | -87.93811 | 5 |
| Municipalities and Districts | Joliet | 41.52503 | -88.08173 | 5 |
| Municipalities and Districts | Lockport | 41.58948 | -88.05784 | 3 |
| Municipalities and Districts | Lockport Township Fire Protection District | 41.58948 | -88.05784 | 8 |
| Municipalities and Districts | Manhattan | 41.42253 | -87.98589 | 1.33 |
| Municipalities and Districts | Minooka | 41.45531 | -88.26173 | 3 |
| Municipalities and Districts | Mokena | 41.52614 | -87.88922 | 2.25 |
| Municipalities and Districts | Monee | 41.42003 | -87.74171 | 2 |
| Municipalities and Districts | Naperville | 41.78586 | -88.14729 | 5 |
| Municipalities and Districts | New Lenox | 41.51198 | -87.96561 | 2.5 |
| Municipalities and Districts | Northwest Homer Fire and Ambulance Protection District (Lockport) | 41.60642 | -87.96422 | 5 |
| Municipalities and Districts | Orland Park | 41.63031 | -87.85394 | 3 |
| Municipalities and Districts | Peotone | 41.33226 | -87.78532 | 1.5 |
| Municipalities and Districts | Plainfield | 41.62697 | -88.20395 | 5 |
| Municipalities and Districts | Rockdale | 41.50614 | -88.1145 | 1 |
| Municipalities and Districts | Romeoville | 41.64753 | -88.08951 | 2.5 |
| Municipalities and Districts | Shorewood | 41.52003 | -88.20173 | 3 |
| Municipalities and Districts | Steger | 41.47003 | -87.63643 | 1 |
| Municipalities and Districts | Steger Estates Fire Protection District | 41.45635 | -87.65715 | 2 |
| Municipalities and Districts | Tinley Park | 41.57337 | -87.78449 | 3 |
| Municipalities and Districts | Troy Fire Protection District | 41.5052 | -88.19832 | 4.25 |
| Municipalities and Districts | University Park | 41.439 | -87.68274 | 1 |
| Municipalities and Districts | Wilmington | 41.30781 | -88.14672 | 1 |
| Schools | Buses | 41.43337 | -87.96672 | 25 |
| Schools | Miscellaneous | 41.43337 | -87.96672 | 5 |
| Schools | Bolingbrook Schools | 41.69864 | -88.0684 | 2 |
| Schools | Channahon School District 17 | 41.42948 | -88.22867 | 2 |
| Schools | Crest Hill Schools | 41.55475 | -88.09867 | 3 |
| Schools | Crete-Monee School District 201U | 41.44118 | -87.6915 | 5 |
| Schools | Frankfort Schools | 41.49587 | -87.84866 | 2 |
| Schools | Homer Community Consolidated School District 33C (Homer Glen, Lockport) | 40.03476 | -87.95809 | 4 |
| Schools | Indian Prairie School District 204 (Naperville/Bolingbrook) | 41.73853 | -88.12271 | 5 |
| Schools | Joliet Schools | 41.52503 | -88.08173 | 5 |
| Schools | Lincoln-Way Area Special Education | 41.52503 | -88.08173 | 12 |
| Schools | Lincoln-Way Community High School District 210 (Frankfort, New Lenox, Mokena) | 41.50309 | -87.89769 | 6.5 |
| Schools | Lockport Schools | 41.58948 | -88.05784 | 2 |
| Schools | Minooka Schools | 41.45531 | -88.26173 | 3 |
| Schools | Mokena Public School District 159 | 41.52614 | -87.88922 | 3 |
| Schools | New Lenox Schools | 41.51198 | -87.96561 | 3 |
| Schools | Peotone Community Unit District 207U | 41.33226 | -87.78532 | 4 |
| Schools | Plainfield Community Consolidated School District 202 | 41.62697 | -88.20395 | 4 |
| Schools | Reed Custer School District 255U (Diamond) | 41.28864 | -88.25173 | 4 |
| Schools | Troy Community Consoildated School District 30c (Shorewood) | 41.52003 | -88.20173 | 4 |
| Schools | Valley View Public Community Unit School District 365v (Romeoville) | 41.65958 | -88.15018 | 5 |
| Schools | Will County District 92, Oak Prairie, Ludwig, Reed, Walsh (*) | 41.483 | -87.938 | 25.25 |
| Colleges | Governors State University (University Park) | 41.59226 | -87.68533 | 0.25 |
| Colleges | Joliet Junior College | 41.52503 | -88.08173 | 3 |
| Colleges | Lewis University - Romeoville | 41.60558 | -88.07978 | 1 |
| Colleges | University of St. Francis (Joliet) | 41.53222 | -88.09861 | 0.25 |
| Illinois State | Stateville Correctional Center [K-3] | 41.52503 | -88.08173 | 0.5 |
| Federal Government | DOJ - 25 Cities Interoperability Project | 41.483 | -87.938 | 25.25 |
| Federal Government | Miscellaneous | 41.483 | -87.938 | 25.25 |
| Amateur Radio | Miscellaneous | 41.483 | -87.938 | 25.25 |
