Benton County

Benton County Fire District 1
Benton County Fire District 2
Benton County Fire District 4
Benton County Fire District 5
Benton County Fire District 6

Franklin County

Franklin County Fire District 3

Yakima County

YCFD5-Home – Yakima County Fire District 5

Prosser Police Department
Benton County
Benton County Sheriff’s Office
Benton County Clean Air
Washington State Patrol
Washington Department of Transportation
Benton Public Utilities District
Benton Rural Electric Association
Cascade Natural Gas
Williams Pipeline
Burlington Northern
Sunnyside Valley Irrigation District
ROZA Irrigation District
Washington River Protection Solutions