Greater Toronto Metro Area
ON-Toronto County
| Entity | Entity Type |
|---|---|
| Toronto County Trunked Systems (62) | Trunked |
| Toronto County Amateur Radio | Amateur Radio |
| City Wide | Category |
| Toronto Pearson International Airport | Category |
| Education | Category |
| Attractions | Attraction |
| Billy Bishop Toronto City Airport (YTZ) | Aircraft / Airport |
| Business | Business Group |
| Canadian International Air Show | Attraction |
| Downsview Airport (YZD) | Aircraft / Airport |
| Environment Canada | Federal |
| Healthcare | Business Group |
| Media | Business Group |
ON-Peel County
| Entity | Entity Type |
|---|---|
| Peel County Trunked Systems (19) | Trunked |
| Peel County Amateur Radio | Amateur Radio |
| Peel Region | Category |
| Municipal Services | Category |
| Youth Justice Facility | Category |
| Healthcare | Category |
| Sheridan College | Category |
| High School | Category |
| Brampton-Caledon Airport (CNC3) | Aircraft / Airport |
| Business | Business Group |
| Peel Region Attractions | Attraction |
| Retail | Business Group |
| Toronto Pearson International Airport (YYZ) | Aircraft / Airport |
| Transportation | Business Group |
| Volunteer Organizations | Events |
ON-Halton County
| Entity | Entity Type |
|---|---|
| Halton County Trunked Systems (15) | Trunked |
| Halton County Amateur Radio | Amateur Radio |
| Halton Region | Category |
| Halton Healthcare | Category |
| College | Category |
| Conservation Halton | Category |
| Burlington Executive Airport - ZBA | Aircraft / Airport |
| Business | Business Group |
| Golf Courses | Attraction |
| Royal Botanical Gardens | Attraction |
| Woodbine Mohawk Park | Attraction |
ON-Hamilton County
| Entity | Entity Type |
|---|---|
| Hamilton County Trunked Systems (16) | Trunked |
| Hamilton County Amateur Radio | Amateur Radio |
| Hamilton | Category |
| Hydro One | Category |
| Horizon Utilities | Category |
| Hamilton Port Authority | Category |
| Hamilton Health Science | Category |
| St. Joseph's Health Care | Category |
| Environment Canada | Category |
| Canada Revenue Agency | Category |
| Colleges & Universities | Category |
| African Lion Safari | Attraction |
| Business | Business Group |
| Flamboro Downs Slots | Attraction |
| John C Munro International Airport (YHM) | Aircraft / Airport |
| Sports | Business Group |
ON-York County
| Entity | Entity Type |
|---|---|
| York County Trunked Systems (18) | Trunked |
| York County Amateur Radio | Amateur Radio |
| York Region | Category |
| Healthcare | Category |
| Higher Education | Category |
| Baldwin Airport (CPB9) | Aircraft / Airport |
| Business | Business Group |
| Buttonville Airport (YKZ) | Aircraft / Airport |
| Canada's Wonderland | Attraction |
| Drive-In Theatre | Attraction |
| Golf | Business Group |
| Markham Fair | Attraction |
ON-Durham County
| Entity | Entity Type |
|---|---|
| Durham County Trunked Systems (13) | Trunked |
| Durham County Amateur Radio | Amateur Radio |
| Regional Services | Category |
| Utility | Category |
| Healthcare | Category |
| Emergency/Disaster | Category |
| Federal | Category |
| Schools | Category |
| Attractions | Attraction |
| Business | Business Group |
| Greenbank Airfield (CNP8) | Aircraft / Airport |
| Media | Business Group |
| Oshawa Airport (YOO) | Aircraft / Airport |