Note: This is a listing of deprecated systems. These systems are either no longer in use or have been superceded by another system.
| System Name | Type | Flavor | City | County | Updated |
|---|---|---|---|---|---|
| 10 Dundas Street East | DMR | Conventional Networked | Toronto | Toronto | 2021-07-24 |
| 1313112 Ontario | LTR | Standard | Kitchener | Waterloo | 2012-09-25 |
| Abitibi Bowater Canadian Forest Products | Motorola | Type II | Thunder Bay | Thunder Bay District | 2017-12-28 |
| Action RF (Algonquin College) | LTR | Standard | Ottawa | Ottawa | 2018-12-08 |
| Action RF (Kingston) | LTR | Standard | Kingston | Frontenac | 2018-06-25 |
| Action Solutions Radio #2 | LTR | Standard | Ottawa | Ottawa | 2008-04-14 |
| AECL Chalk River | MPT-1327 | Standard | Chalk River | Renfrew | 2016-11-09 |
| AECON Construction and Materials | Motorola | Type II Smartnet | Toronto | Toronto | 2011-09-10 |
| Air Canada | Motorola | Type II Smartnet | Mississauga | Peel | 2020-01-03 |
| Air Canada Center | Motorola | Type II Smartnet | Toronto | Toronto | 2014-07-19 |
| Airtime Communications | DMR | Tier 3 Standard | Toronto | Toronto | 2019-06-28 |
| Alectra Utilities | DMR | Motorola Connect Plus (TRBO) | Hamilton&St.Catharines | Multi-County [2] | 2024-08-15 |
| Alectra Utilities | DMR | Conventional Networked | York Region and Simcoe Co | Multi-County [2] | 2022-12-11 |
| Alectra Utilities (Provoice) | EDACS | Standard | Mississauga | Peel | 2020-12-13 |
| American Iron & Metal Recycling | DMR | Motorola Capacity Plus Single Site (TRBO) | Hamilton | Hamilton | 2020-08-16 |
| Barrie | Motorola | Type II Smartnet | Barrie | Simcoe | 2014-05-04 |
| BearCom Canada - London | Motorola | Type II | London | Middlesex | 2021-09-03 |
| BearCom Canada - Oxford Communications | LTR | Standard | Multiple Locations | Multi-County [6] | 2021-01-23 |
| Bell FleetNet Ontario Provincial Government Zone 1 | Motorola | Type II SmartZone | Southwest Zone | Multi-County [25] | 2024-10-15 |
| Brampton City Services | LTR | Standard | Brampton | Peel | 2018-10-06 |
| Brantford (Old) | EDACS | Standard | Brantford | Brant | 2013-09-05 |
| Budd Canada | Motorola | Type II Smartnet | Kitchener | Waterloo | 2011-07-20 |
| C&W/Action RF | LTR | Standard | Franktown | Lanark | 2007-06-10 |
| Canadian Tire Centre | LTR | Standard | Ottawa | Ottawa | 2014-04-01 |
| Canquest Communication | MPT-1327 | Standard | Niagara Region | Niagara | 2018-02-09 |
| Casino Woodbine | DMR | Motorola Capacity Plus Single Site (TRBO) | Toronto | Toronto | 2024-02-07 |
| CFB Borden | Motorola | Type II Smartnet | Angus | Simcoe | 2014-05-05 |
| Christie & Walther #1 | Motorola | Type IIi Hybrid | Ottawa | Ottawa | 2007-06-10 |
| Christie & Walther #5 | Motorola | Type II Smartnet | Kingston | Frontenac | 2006-09-16 |
| Christie & Walther (Kingston) | LTR | Standard | Kingston | Frontenac | 2018-06-25 |
| Christie & Walther (Ottawa #1 LTR) | LTR | Standard | Ottawa | Ottawa | 2018-06-18 |
| Christie & Walther (Ottawa #2) | Motorola | Type I | Ottawa | Ottawa | 2018-06-18 |
| Christie & Walther (Pembroke #1 800 MHz) | LTR | Standard | Pembroke | Renfrew | 2016-11-09 |
| Christie & Walther (Renfrew) | LTR | Standard | Renfrew | Renfrew | 2016-11-09 |
| Christie & Walther (Vankleek Hill) | LTR | Standard | Vankleek Hill | Prescott, Russell, United | 2018-06-25 |
| Christie & Walther - SMR | LTR | Standard | Rockland | Ottawa | 2018-06-18 |
| Christie and Walther (Ottawa) | Motorola | Type IIi Hybrid | Ottawa | Ottawa | 2019-10-08 |
| Cobourg | Motorola | Type II Smartnet | Cobourg | Northumberland | 2021-07-07 |
| Communitronics | LTR | Standard | Ballantrae | York | 2024-01-22 |
| CRC Communications | Motorola | Type II | Thunder Bay | Thunder Bay District | 2024-04-26 |
| CTM Quebec (Ottawa #1) | LTR | Standard | Ottawa | Ottawa | 2015-04-15 |
| Cumberland Terrace | DMR | Motorola Capacity Plus Single Site (TRBO) | Toronto | Toronto | 2020-08-16 |
| Domtar (Cornwall) | LTR | Standard | Cornwall | Stormont, Dundas, Glengarry | 2018-06-25 |
| Domtar (Ottawa) | LTR | Standard | Ottawa | Ottawa | 2017-09-22 |
| Dow Chemicals | Motorola | Type II | Sarnia | Lambton | 2011-12-16 |
| Durham Region | Motorola | Type II Smartnet | Durham Region | Durham | 2015-04-10 |
| Eaton Centre | LTR | Standard | Toronto | Toronto | 2015-10-30 |
| Elyps Dispatch Solutions | Motorola | Type II Smartnet | Brampton | Peel | 2011-07-19 |
| Embassy Suites - Fallsview | DMR | Hytera XPT | Niagara Falls | Niagara | 2024-02-15 |
| Enbridge Gas Distribution | EDACS | Standard | Ottawa | Ottawa | 2004-12-14 |
| Enbridge Gas Distribution | EDACS | Networked Standard | Various | Multi-County [7] | 2012-01-31 |
| Erin Mills Town Center | DMR | Motorola Capacity Plus Single Site (TRBO) | Mississauga | Peel | 2024-03-01 |
| Ernie's Electro-Com | LTR | Standard | Hamilton | Hamilton | 2015-01-29 |
| Ernie's Electro-Com | NXDN | Icom IDAS Type D | Hamilton | Hamilton | 2016-02-25 |
| Essex County Fire | LTR | Passport | Windsor | Essex | 2013-10-29 |
| ET Fusion | DMR | Tier 3 Capacity Max | Various | Multi-County [3] | 2024-02-15 |
| Federal Wireless Communications | DMR | Tier 3 Standard | Multiple Locations | Multi-County [2] | 2024-01-22 |
| FedEx Pearson International Distribution | DMR | Motorola Capacity Plus Single Site (TRBO) | Mississauga | Peel | 2020-08-16 |
| Fleetcom | Motorola | Type II Smartnet | Toronto | Toronto | 2018-04-18 |
| Fleetcom | DMR | Motorola Capacity Plus Single Site (TRBO) | Toronto | Toronto | 2024-05-06 |
| Fleetcom (Brampton) | Motorola | Type II Smartnet | Brampton | Peel | 2012-10-23 |
| Fleetcom (Hamilton) | Motorola | Type II Smartnet | Hamilton | Hamilton | 2012-10-23 |
| Fleetcom (Pearson International Airport) | Motorola | Type II Smartnet | Toronto | Peel | 2006-08-20 |
| Fleetcom (York County) | LTR | Standard | York County | York | 2013-09-13 |
| Fleetcom/Lakeshore Electronics LTR | LTR | Standard | Toronto | Toronto | 2011-09-10 |
| Ford Motor Company (Essex Engine) | Motorola | Type II | Windsor | Essex | 2019-06-24 |
| Ford Motor Company (Windsor Engine) | Motorola | Type II Smartnet | Windsor | Essex | 2019-07-06 |
| Forest City Communications (Middlesex) | NXDN | NEXEDGE 9600 | Middlesex County | Middlesex | 2016-03-08 |
| General Motors | Motorola | Type II Smartnet | Windsor | Essex | 2011-07-19 |
| Glentel | DMR | Motorola Capacity Plus Single Site (TRBO) | Toronto | Toronto | 2017-04-16 |
| Glentel - TimeTrac | MPT-1327 | Standard | Gatineau | Multi-County [4] | 2016-06-03 |
| Glentel/TimeMCI (800 LTR #1) | LTR | Standard | Ottawa | Ottawa | 2016-06-03 |
| Glentel/TimeMCI (800 LTR #2) | LTR | Standard | Ottawa | Ottawa | 2016-06-03 |
| Glentel/TimeMCI (800 LTR #3) | LTR | Standard | Ottawa | Ottawa | 2016-06-03 |
| Glentel/TimeMCI (UHF LTR) | LTR | Standard | Ottawa | Ottawa | 2016-06-03 |
| Greater Sudbury Public Safety | EDACS | Standard | Sudbury | Sudbury District | 2014-12-08 |
| Guelph Emergency Services | Project 25 | Phase II | Guelph | Wellington | 2024-02-25 |
| Halton (Old) | EDACS | Networked Standard | Halton Region | Halton | 2013-11-01 |
| Hamilton (Old) | Motorola | Type II Smartnet | Hamilton | Hamilton | 2013-08-27 |
| Hamilton Police Service (Intelligence) | Motorola | Type II SmartZone | Hamilton | Hamilton | 2015-07-30 |
| Highbury Canco | Motorola | Type II | Leamington | Essex | 2020-01-30 |
| Honeywell Aerospace | DMR | Motorola Capacity Plus Single Site (TRBO) | Mississauga | Peel | 2020-08-13 |
| House of Commons | Motorola | Type IIi Hybrid | Ottawa | Ottawa | 2018-08-26 |
| Humber College | DMR | Conventional Networked | Toronto | Toronto | 2023-12-05 |
| Imperial Oil (Nanticoke) | Motorola | Type II Smartnet | Nanticoke | Haldimand | 2015-04-12 |
| Imperial Oil (Sarnia) | Motorola | Type II | Sarnia | Lambton | 2023-10-17 |
| INCO Super Stack Operations | Motorola | Type II | Sudbury | Sudbury District | 2014-10-25 |
| Invista Canada Plant | Motorola | Type II Smartnet | Millhaven | Lennox and Addington | 2013-12-06 |
| Juravinski Hospital | DMR | Motorola Connect Plus (TRBO) | Hamilton | Hamilton | 2014-09-10 |
| KELCOM (Chatham) | LTR | Standard | Chatham | Chatham-Kent | 2013-07-17 |
| KELCOM (LTR Windsor 420) | LTR | Standard | Windsor | Essex | 2018-03-30 |
| KELCOM I (Windsor) | LTR | Standard | Windsor | Essex | 2012-12-26 |
| KELCOM (460 LTR Windsor) | LTR | Standard | Windsor | Essex | 2018-04-04 |
| KELCOM (Amherstburg) | LTR | Standard | Amherstburg | Essex | 2018-04-04 |
| KELCOM (Caesars Windsor Casino) | Motorola | Type II | Windsor | Essex | 2011-07-21 |
| KELCOM (Leamington) | LTR | Standard | Ruthven | Essex | 2018-04-04 |
| Kingston City Works | EDACS | Standard | Kingston | Frontenac | 2020-04-08 |
| Lafarge Canada | LTR | Standard | Bath | Lennox and Addington | 2018-06-25 |
| Lakehead University | LTR | Standard | Thunder Bay | Thunder Bay District | 2023-05-07 |
| London and Middlesex (EDACS) | EDACS | Standard | London | Middlesex | 2012-08-10 |
| London Fire Dept | Motorola | Type IIi Hybrid | London | Middlesex | 2011-07-19 |
| M R C Systems | DMR | Motorola Connect Plus (TRBO) | Various | Waterloo | 2016-10-26 |
| Madawaska Valley | DMR | Conventional Networked | Cormac | Renfrew | 2020-08-23 |
| Maple Lodge Farms | DMR | Motorola Capacity Plus Single Site (TRBO) | Brampton | Peel | 2020-08-24 |
| Metrolinx - Rail Traffic Control | NXDN | NEXEDGE 4800 | Golden Horseshoe Area | Multi-County [4] | 2021-10-06 |
| Mississauga | Motorola | Type II SmartZone | Mississauga | Peel | 2015-08-03 |
| Mobile Business - Hamilton (420 MHz) | LTR | Standard | Hamilton | Hamilton | 2017-08-12 |
| Mobile Business - Hamilton (900 MHz) | LTR | Standard | Hamilton | Hamilton | 2017-08-12 |
| Mobile Business - Toronto (EDACS) | EDACS | Standard | Toronto | Toronto | 2013-09-13 |
| Mobile Business - Toronto (LTR - B) | LTR | Standard | Toronto | Toronto | 2017-08-24 |
| Mobile Radio Systems - Hillsburgh | LTR | Standard | Hillsburgh | Wellington | 2020-02-20 |
| Mobile Radio Systems - Shelburne | LTR | Standard | Shelburne | Dufferin | 2020-02-20 |
| Morguard | DMR | Conventional Networked | Mississauga | Peel | 2023-01-05 |
| MRC Systems | LTR | Standard | Kitchener | Waterloo | 2012-01-31 |
| MRC Systems (Passport) | LTR | Passport | Brisbane | Wellington | 2014-02-10 |
| National Communications Site Services (Motorola) | Motorola | Type II | Hamilton | Hamilton | 2018-06-26 |
| Nova Chemicals (St. Clair) | Motorola | Type II | St. Clair Township | Lambton | 2023-10-17 |
| Oakville-Trafalgar Memorial Hospital | DMR | Motorola Capacity Plus Single Site (TRBO) | Oakville | Halton | 2022-05-07 |
| Ontario Place | DMR | Motorola Capacity Plus Single Site (TRBO) | Toronto Waterfront | Toronto | 2019-05-17 |
| Ottawa (EDACS) | EDACS | Networked Standard | Ottawa | Ottawa | 2019-05-01 |
| Ottawa Community Housing Corp | LTR | Standard | Ottawa | Ottawa | 2020-01-16 |
| Ottawa Hospital (Civic Campus) | LTR | Standard | Ottawa | Ottawa | 2024-01-08 |
| Ottawa Hospital (General Campus) | LTR | Standard | Ottawa | Ottawa | 2024-01-08 |
| Ottawa Hospital (Riverside Campus) | LTR | Standard | Ottawa | Ottawa | 2024-01-09 |
| Oxford Communications (VHF LTR) | LTR | Standard | Various | Multi-County [2] | 2017-04-08 |
| Peel Region (Old) | Motorola | Type II SmartZone | Peel | Peel | 2014-12-06 |
| Peterborough - EDACS | EDACS | Standard | Peterborough | Peterborough | 2012-09-21 |
| Peterborough Transit | DMR | Conventional Networked | Peterbrough | Peterborough | 2019-02-16 |
| Petro-Canada Lubricants | Motorola | Type II | Mississauga | Peel | 2016-05-13 |
| Pickering Town Centre | DMR | Motorola Capacity Plus Single Site (TRBO) | Pickering, ON | Durham | 2017-02-28 |
| Point2Point Low Power | Motorola | Type II Smartnet | Barrie | Simcoe | 2012-03-01 |
| Purolator | DMR | Conventional Networked | Etobicoke | Toronto | 2023-12-03 |
| PushPlus Network | DMR | Motorola Connect Plus (TRBO) | Multiple Locations | Multi-County [2] | 2016-11-08 |
| Queens University | Motorola | Type II Smartnet | Kingston | Frontenac | 2015-09-01 |
| Quinte Communications | MPT-1327 | Standard | Stirling | Hastings | 2005-12-06 |
| Quinte Communications | MPT-1327 | Standard | Stirling | Hastings | 2018-10-28 |
| Quinte Communications (Kingston) | MPT-1327 | Standard | Kingston | Frontenac | 2015-04-15 |
| Quinte Communications (Picton) | MPT-1327 | Standard | Picton | Prince Edward | 2015-04-15 |
| RCMP - Portable System | Motorola | Type II SmartZone | Various | Provincewide | 2012-09-07 |
| RComm Radio | Motorola | Type IIi Hybrid | Vankleek Hill | Prescott, Russell, United | 2018-06-25 |
| Rogers Centre (formerly the SkyDome) | EDACS | Standard | Toronto | Toronto | 2010-08-20 |
| Schaeffler Canada | LTR | Standard | Stratford | Perth | 2014-12-31 |
| Shell Canada | Motorola | Type II Smartnet | Sarnia | Lambton | 2015-07-30 |
| Sheridan College (Oakville) | DMR | Conventional Networked | Oakville | Halton | 2017-12-22 |
| Signal Wireless | LTR | Standard | Brisbane | Wellington | 2024-01-20 |
| Sitecom Services Edgar | Motorola | Type II Smartnet | Barrie | Simcoe | 2015-04-07 |
| Spectrum Communications | DMR | Motorola Capacity Plus Multi Site (TRBO) | North Bay | Nipissing District | 2024-10-29 |
| Spectrum Communications (Arkel) | Motorola | Type II | Arkel | Wellington | 2016-04-30 |
| Spectrum Communications (Kitchener) | Motorola | Type II Smartnet | Kitchener | Waterloo | 2019-03-09 |
| Spectrum Communications (St. Thomas) 800 MHz | Motorola | Type II | St. Thomas | Elgin | 2020-02-20 |
| Spectrum Communications (Strathroy) | Motorola | Type IIi Hybrid | Strathroy | Middlesex | 2011-06-13 |
| Spectrum Communications (Tillsonburg) | Motorola | Type II | Tillsonburg | Oxford | 2020-02-20 |
| St. Clair College | LTR | Standard | Windsor | Essex | 2018-04-04 |
| Suncor Energy | Motorola | Type II Smartnet | Courtright | Lambton | 2011-12-18 |
| Talk Wireless (LTR UHF Hamilton) | LTR | Standard | Hamilton | Hamilton | 2017-05-14 |
| Talk Wireless (LTR UHF) | LTR | Standard | Hamilton, Fonthill | Multi-County [2] | 2022-11-22 |
| Talk Wireless (LTR VHF Fonthill) | LTR | Standard | Fonthill | Niagara | 2022-11-22 |
| Talk Wireless (LTR VHF Hamilton) | LTR | Standard | Hamilton | Hamilton | 2017-08-12 |
| Talk Wireless - Fonthill | DMR | Motorola Capacity Plus Single Site (TRBO) | Fonthill | Niagara | 2024-02-03 |
| Talk Wireless DMR VHF | DMR | Motorola Capacity Plus Single Site (TRBO) | Fonthill | Niagara | 2017-02-01 |
| Tele-Mobile (Toronto-1) | Motorola | Type II Smartnet | Toronto | Toronto | 2011-09-13 |
| Teleconnect | MPT-1327 | Standard | Waterloo | Waterloo | 2015-04-15 |
| Telequip Systems Bracebridge | LTR | Standard | Bracebridge | Muskoka District | 2021-04-10 |
| Telequip Systems King City | LTR | Standard | King City | York | 2018-09-10 |
| Telus Mobility (Toronto) | LTR | Standard | Toronto | Toronto | 2012-01-31 |
| Telus Mobility - Toronto 2 | Motorola | Type II Smartnet | Toronto | Toronto | 2011-10-04 |
| Terra International | Motorola | Type II Smartnet | Courtright | Lambton | 2014-09-01 |
| Thames Communications (Chatham) | EDACS | Standard | Chatham | Chatham-Kent | 2021-04-25 |
| Thames Communications (Lambton) | EDACS | Standard | Sarnia | Lambton | 2022-07-11 |
| The Pen Centre | DMR | Motorola Capacity Plus Single Site (TRBO) | St. Catharines | Niagara | 2022-08-03 |
| Thunder Bay | EDACS | Standard | Thunder Bay | Thunder Bay District | 2018-10-13 |
| Toronto (Project 25) | Project 25 | Phase I | Toronto | Toronto | 2013-11-19 |
| Toronto (West District) | Motorola | Type IIi Hybrid | Etobicoke/York | Toronto | 2008-06-18 |
| Toronto City Services | Motorola | Type II Smartnet | Toronto | Toronto | 2017-08-23 |
| Toronto EMS | EDACS | Standard | Toronto | Toronto | 2013-10-30 |
| Toronto Public Safety (Old) | Motorola | Type II SmartZone | Toronto | Toronto | 2015-11-05 |
| Toronto Transit Commission Rapid Transit | MPT-1327 | Standard | Toronto | Toronto | 2023-01-28 |
| Toronto Western Hospital | DMR | Motorola Capacity Plus Single Site (TRBO) | Toronto | Toronto | 2019-02-15 |
| Unidentified (Pearson International Airport) | Motorola | Type I | Toronto | Peel | 2011-10-13 |
| University of Waterloo | DMR | Motorola Capacity Plus Single Site (TRBO) | Waterloo | Waterloo | 2021-02-03 |
| Unknown Eastern Ontario/Western Quebec | Motorola | Type II SmartZone | Unknown | UNKNOWN | 2013-11-04 |
| Voyageur Transportation Services | EDACS | Standard | London | Middlesex | 2013-11-27 |
| Waterloo Region EDACS | EDACS | Networked Standard | Waterloo Region | Waterloo | 2022-04-10 |
| Windsor Public Safety | Motorola | Type II Smartnet | Windsor | Essex | 2010-08-10 |
| Windsor Southwest Detention Centre | NXDN | NEXEDGE 4800 | Windsor | Essex | 2024-04-08 |
| York Region (Old) | Motorola | Type II Smartnet | York | York | 2014-12-07 |
| Yorkdale Shopping Centre | DMR | Motorola Capacity Plus Single Site (TRBO) | Downsview | Toronto | 2019-03-30 |