| Grant County Fire/EMS and Washington State Patrol | Grant | Public Safety | 120 |
| Yakima City / County Police, Fire and EMS, Washington State Patrol | Yakima | Public Safety | 81 |
| Spokane County Sheriff and Fire, Spokane City Police / Fire - Digital | Spokane | Public Safety | 76 |
| Cowlitz County Public Safety, Columbia County Law Dispatch | Cowlitz | Public Safety | 52 |
| Kitsap County Sheriff, Fire and EMS, Bremerton City Police | Kitsap | Public Safety | 36 |
| Kittitas County Public Safety | Kittitas | Public Safety | 36 |
| Chelan and Douglas Counties Sheriff, Fire and EMS, Washington State Patrol | Chelan | Public Safety | 35 |
| Thurston County Fire, EMS and Law Enforcement | Thurston | Public Safety | 35 |
| Tri-Cities Police and Fire | Benton | Public Safety | 32 |
| Stevens County Public Safety | Stevens | Public Safety | 21 |
| Skagit County Police and Fire | Skagit | Public Safety | 19 |
| Klickitat County Law Enforcement, Fire, and EMS | Klickitat | Public Safety | 16 |
| Walla Walla Valley Law, Fire and EMS | Columbia | Public Safety | 15 |
| Nez Perce and Asotin Counties Sheriff, Fire and EMS | Asotin | Public Safety | 14 |
| Pierce County Sheriff Dispatch - East | Pierce | Public Safety | 14 |
| Auburn Police | King | Public Safety | 12 |
| Tacoma Police Dispatch - South | Pierce | Public Safety | 12 |
| Clark County Public Safety - CRESA Digital | Clark | Public Safety | 8 |
| Spokane City and County Fire / EMS Dispatch | Spokane | Public Safety | 7 |
| Seattle Downtown Law Enforcement | King | Public Safety | 7 |
| Department Natural Resources NE Dispatch | Lincoln | Public Safety | 6 |
| Island County Public Safety | Island | Public Safety | 6 |
| Whatcom County Sheriff, Bellingham and Western Washington University Police | Whatcom | Public Safety | 5 |
| Seattle Fire / Seattle Police East / South Precincts | King | Public Safety | 5 |
| Seattle Fire | King | Public Safety | 5 |
| King County Sheriff Dispatch Southwest | King | Public Safety | 4 |
| Tacoma Fire A1-A8 | Pierce | Public Safety | 4 |
| Jefferson County Sheriff, Fire and EMS | Jefferson | Public Safety | 4 |
| Snohomish County Fire Primary Response | Snohomish | Public Safety | 4 |
| Tacoma Police Dispatch - North | Pierce | Public Safety | 3 |
| Centralia and Chehalis Fire Dispatch | Lewis | Public Safety | 3 |
| Washington State Patrol - Skagit & Island County Dispatch | Skagit | Public Safety | 3 |
| Federal Way Police Department | King | Public Safety | 3 |
| East Adams Fire | Adams | Public Safety | 2 |
| Skamania County Fire and Rescue | Skamania | Public Safety | 2 |
| Washington State Patrol District 7 - Snohomish County | Snohomish | Public Safety | 2 |
| Snohomish County Fire Event/Secondary Response | Snohomish | Public Safety | 2 |
| Pierce County Fire Dispatch (C-1) | Pierce | Public Safety | 2 |
| Pend Oreille County Public Safety | Pend Oreille | Public Safety | 2 |
| Chelan County Public Safety | Douglas | Public Safety | 2 |
| BNSF Scenic Sub - Scenic to Baring | King | Rail | 2 |
| Walla Walla Fire/EMS | Walla Walla | Public Safety | 2 |
| BNSF Stampede Pass - West Side | King | Rail | 2 |
| NORCOM NCPOL-2 (Kirkland PD and Normandy Park PD) | King | Public Safety | 1 |
| Lincoln County Fire and EMS | Lincoln | Public Safety | 1 |
| Washington State Patrol Dispatch - Dist 1 East / West | Pierce | Public Safety | 1 |
| Garfield County Fire District 1 | Garfield | Public Safety | 1 |
| BNSF Scenic Sub - Winton to Cascade Tunnel | Chelan | Rail | 1 |
| Washington State Patrol District 8 Dispatch | Clallam | Public Safety | 1 |
| Neah Bay Fire | Clallam | Public Safety | 1 |
| Clark County Fire Districts | Clark | Public Safety | 1 |
| Columbia County Sheriff and Fire | Columbia | Public Safety | 1 |
| Kitsap County Area Marine | Kitsap | Marine | 1 |
| WW7PSR 146.9600 MHz PSRG Repeater | King | Amateur Radio | 1 |
| BNSF Seattle Terminal | King | Rail | 1 |
| KSEA Airport | King | Aviation | 1 |
| NORCOM NCPOL-3 (Bothell PD, Lake Forest Park PD, and Mercer Island PD) | King | Public Safety | 1 |
| Tucna Fire and Ambulance | Adams | Public Safety | 1 |
| Washington State Patrol District 1 - Olympia Area | Thurston | Public Safety | 0 |
| NOAA Weather Radio WWF56 | Adams | Public Safety | 0 |
| North Whatcom Fire Rescue | Whatcom | Public Safety | 0 |
| Whatcom County Fire Dispatch | Whatcom | Public Safety | 0 |
| Whatcom County V-Fire 2 / V-Fire 3 / V-Fire 5 | Whatcom | Public Safety | 0 |
| VHF National Interoperability (VTAC Spokane) | Spokane | Public Safety | 0 |
| Amateur Radio KF6OJE Allstar Clear Node | Spokane | Amateur Radio | 0 |
| Whitman County East Fire & EMS - D4, D12 & D14 | Whitman | Public Safety | 0 |
| BNSF Scenic Sub West, Bellingham Sub South | Snohomish | Rail | 0 |
| Spokane Regional Mutual Aid | Spokane | Public Safety | 0 |
| Ballard Marine - Ch 13, 14 and 16 | King | Marine | 0 |
| Wenatchee Area Rail | Chelan | Rail | 0 |
| NOAA Weather Radio Puget Sound Marine (WWG24) | Clallam | Other | 0 |
| Columbia County Public Safety | Columbia | Public Safety | 0 |
| Lake Chelan Amateur Radio Club Repeater 444.525MHz | Douglas | Amateur Radio | 0 |
| Pasco Area Railroads | Franklin | Rail | 0 |
| Spout Springs Repeater Association | Franklin | Amateur Radio | 0 |
| Grays Harbor Sheriff East | Grays Harbor | Public Safety | 0 |
| Camano Island Fire and Rescue | Island | Public Safety | 0 |
| Paine Field Airport (KPAE) | Snohomish | Aviation | 0 |
| NORCOM NCPOL-1 (Bellevue PD, Clyde Hill PD, and Medina PD) | King | Public Safety | 0 |
| WSP District 2 Dispatch | King | Public Safety | 0 |
| Klickitat County Fire | Klickitat | Public Safety | 0 |
| Salkum Fire and EMS | Lewis | Public Safety | 0 |
| Okanogan County Public Safety | Okanogan | Public Safety | 0 |
| BNSF/UP Seattle Sub - North End | Pierce | Rail | 0 |
| Shaw Island Fire | San Juan | Public Safety | 0 |
| San Juan County Sheriff Dispatch | San Juan | Public Safety | 0 |