| Frequency | System | FleetID | User | City | State | Sys_Type | Notes | Additional Notes |
| 476.31250 | Site-1 | Chicago | IL | Motorola Type II SmartZone | ** | ** | ||
| 476.56250 | Site-1 | ****ALL TALKGR**** | Chicago | IL | Motorola Type II SmartZone | ** | ** | |
| 476.78750 | Site-1 | 9968 | COM 1 COM 1 (COMMON) | Chicago | IL | Motorola Type II SmartZone | ** | ** |
| 477.08750 | Site-1 | 10000 | COM 2 COM 2 (COMMON) | Chicago | IL | Motorola Type II SmartZone | ** | ** |
| 477.41250 | Site-1 | 10032 | COM 3 COM 3 (COMMON) | Chicago | IL | Motorola Type II SmartZone | ** | ** |
| 477.63750 | Site-1 | Chicago | IL | Motorola Type II SmartZone | ** | ** | ||
| ** | ** | |||||||
| ****FIRE TALKGR**** | ** | ** | ||||||
| 9744 | CFD CHICAGO FIRE DEPARTMENT | ** | ** | |||||
| 9936 | INCIDENT INCIDENT | ** | ** | |||||
| ** | ** | |||||||
| ****POLICE TALKGR**** | ** | ** | ||||||
| 9680 | SECURITY SECURITY | ** | ** | |||||
| 9712 | CPD CHICAGO POLICE (MIDWAY ASSIGNED) | ** | ** | |||||
| 9719 | (MULTI-SELECT BROADCAST)..UNDER CHICAGO POLICE | ** | ** | |||||
| 9840 | TRFMGTAUTH TRAFFIC MGMT. AUTHORITY | ** | ** | |||||
| ** | ** | |||||||
| ****SECURITY TALKGR**** | ** | ** | ||||||
| 9687 | (MULTI-SELECT BROADCAST) | ** | ** | |||||
| ** | ** | |||||||
| ****MAINTENANCE TALKGR**** | ** | ** | ||||||
| 9616 | TRADES TRADES | ** | ** | |||||
| 9648 | CUSTODIANS CUSTODIANS | ** | ** | |||||
| 9776 | MTD 1 MOTOR TRUCK DRIVERS 1 | ** | ** | |||||
| 9808 | SNOW SNOW CHANNEL | ** | ** | |||||
| 9904 | ADMIN ADMINISTRATIVE | ** | ** | |||||
| 10128 | FSP 2 F.S.P. 2 (FACILITY SERVICE PROFESSIONALS) | ** | ** | |||||
| 10160 | FSP 1 F.S.P. 1( FACILITY SERVICE PROFESSIONALS) | ** | ** | |||||
| ** | ** | |||||||
| ****OPERATIONS TALKGR**** | ** | ** | ||||||
| 9872 | OPS MIDWAY OPERATIONS | ** | ** | |||||
| 9879 | (MULTI-SELECT BROADCAST) | ** | ** | |||||
| ** | ** | |||||||
| Base: 474.000, Spacing: 12.5, Offset: 380 | ** | ** |