| McHenry County | McHenry County | 42.33335 | -88.46676 | 18 |
| McHenry County | Pace Suburban Bus Service of the RTA | 42.33335 | -88.46676 | 18 |
| Consolidated Dispatch Centers | FoxComm Communications Center | 42.38845 | -88.09702 | 9 |
| Consolidated Dispatch Centers | Northeast Regional Dispatch Communications Center (NERCOM) | 42.322 | -88.45 | 17.87 |
| Consolidated Dispatch Centers | Southeast Emergency Communications Center (SEECOM) | 42.33335 | -88.46676 | 18 |
| Municipalities and Districts | Townships and Water Districts | 42.33335 | -88.46676 | 18 |
| Municipalities and Districts | Regional Transportation Authority (Woodstock) | 42.31474 | -88.4487 | 15 |
| Municipalities and Districts | Algonquin | 42.16558 | -88.29425 | 1.5 |
| Municipalities and Districts | Algonquin-Lake in The Hills Fire Protection District | 42.17104 | -88.31188 | 2.5 |
| Municipalities and Districts | Barrington Hills | 42.14475 | -88.15563 | 1 |
| Municipalities and Districts | Bull Valley | 42.32058 | -88.35509 | 0.25 |
| Municipalities and Districts | Cary | 42.21197 | -88.23814 | 1.25 |
| Municipalities and Districts | Crystal Lake | 42.24113 | -88.3162 | 2 |
| Municipalities and Districts | Fox Lake | 42.39669 | -88.1837 | 1 |
| Municipalities and Districts | Fox River Grove | 42.20086 | -88.21453 | 1.5 |
| Municipalities and Districts | Harvard | 42.42224 | -88.61371 | 1.5 |
| Municipalities and Districts | Hebron | 42.47169 | -88.43232 | 3 |
| Municipalities and Districts | Holiday Hills | 42.29002 | -88.22481 | 1.5 |
| Municipalities and Districts | Huntley | 42.16808 | -88.42814 | 3 |
| Municipalities and Districts | Island Lake | 42.27613 | -88.19203 | 2 |
| Municipalities and Districts | Johnsburg | 42.38002 | -88.24203 | 1.5 |
| Municipalities and Districts | Lake in The Hills | 42.20576 | -88.31617 | 1 |
| Municipalities and Districts | Lakemoor | 42.32863 | -88.19897 | 1.25 |
| Municipalities and Districts | Lakewood | 42.22919 | -88.35509 | 4 |
| Municipalities and Districts | Marengo | 42.24863 | -88.60843 | 3.5 |
| Municipalities and Districts | McCullom Lake | 42.35372 | -88.28304 | 2 |
| Municipalities and Districts | McHenry (City) | 42.33336 | -88.26675 | 2 |
| Municipalities and Districts | McHenry Township Fire Protection District | 42.33335 | -88.46676 | 18 |
| Municipalities and Districts | Nunda Rural Fire Protection District | 42.33335 | -88.46676 | 18 |
| Municipalities and Districts | Oakwood Hills | 42.24641 | -88.24286 | 1.25 |
| Municipalities and Districts | Richmond | 42.47585 | -88.30593 | 3 |
| Municipalities and Districts | Ringwood | 42.39224 | -88.29703 | 2 |
| Municipalities and Districts | Spring Grove | 42.44363 | -88.23648 | 2.5 |
| Municipalities and Districts | Trout Valley | 42.19808 | -88.25342 | 1.5 |
| Municipalities and Districts | Union | 42.23208 | -88.54157 | 2 |
| Municipalities and Districts | Wonder Lake | 42.3853 | -88.34731 | 2 |
| Municipalities and Districts | Woodstock | 42.31474 | -88.4487 | 1 |
| EMS Agencies and Hospitals | EMS Agencies and Hospitals | 42.33335 | -88.46676 | 18 |
| EMS Agencies and Hospitals | Rescue 8 Paramedic Service (Lake in the Hills) | 42.18169 | -88.33036 | 1 |
| EMS Agencies and Hospitals | Mercy Harvard Hospital | 42.42675 | -88.60714 | 0.2 |
| EMS Agencies and Hospitals | Mercyhealth Crystal Lake | 42.21794 | -88.28538 | 2 |
| EMS Agencies and Hospitals | Northwest Rescue (Harvard) | 42.42224 | -88.61371 | 15 |
| EMS Agencies and Hospitals | Northwestern Medicine Huntley Hospital (Huntley) | 42.17816 | -88.40045 | 102 |
| EMS Agencies and Hospitals | Northwestern Medicine McHenry Hospital (McHenry) | 42.31784 | -88.27931 | 0.25 |
| EMS Agencies and Hospitals | Northwestern Medicine Woodstock Hospital (Woodstock) | 42.31134 | -88.45591 | 0.25 |
| Schools and Colleges | School Districts | 42.33335 | -88.46676 | 18 |
| Schools and Colleges | Community Action Group for McHenry County (Headstart) | 42.33335 | -88.46676 | 18 |
| Schools and Colleges | Crystal Lake School Districts | 42.24113 | -88.3162 | 1 |
| Schools and Colleges | Durham School Services (Harvard) | 42.33335 | -88.46676 | 18 |
| Schools and Colleges | Huntley Community School District 158 | 42.18274 | -88.38638 | 5 |
| Schools and Colleges | Johnsburg School District 12 | 42.38002 | -88.24203 | 3.5 |
| Schools and Colleges | McHenry Schools | 42.33336 | -88.26675 | 1 |
| Schools and Colleges | Richmond Schools | 42.47585 | -88.30593 | 2 |
| Schools and Colleges | McHenry County College | 42.28725 | -88.35619 | 0.25 |
| Amateur Radio | Miscellaneous | 42.33335 | -88.46676 | 18 |
