Coastal Region
Alameda County Mosquito Abatement District
Contra Costa Mosquito Vector Control District
Marin-Sonoma Mosquito Vector Control District
Napa County Mosquito Abatement District
Northern Salinas Valley Mosquito Abatement District
San Mateo County Mosquito Vector Control District
San Joaquin Valley Region
Coalinga-Huron Mosquito Abatement District
Consolidated Mosquito Abatement District
Delta Vector Control District
Fresno Mosquito Vector Control District
Kings Mosquito Abatement District
San Joaquin County Mosquito Vector Control District
Turlock Mosquito Abatement District
Sacramento Valley Region
Burney Basin Mosquito Abatement District
Butte County Mosquito Vector Control District
Colusa Mosquito Abatement District
Durham Mosquito Abatement District
Glenn County Mosquito Vector Control District
Lake County Vector Control District
Oroville Mosquito Abatement District
Pine Grove Mosquito Abatement District
Placer Mosquito Vector Control District
Sacramento-Yolo Mosquito Vector Control District
Shasta County Mosquito Vector Control District
Sutter-Yuba Mosquito Vector Control District
Tehama County Mosquito Vector Control District
Southern California Region
Coachella Valley Mosquito Vector Control District
Compton Creek Mosquito Abatement District
Greater Los Angeles County Vector Control District
Los Angeles County West Vector Control District
Northwest Mosquito Vector Control District
Orange County Mosquito Vector Control District
San Gabriel Valley Mosquito Vector Control District
Mosquito Vector Management District of Santa Barbara County
West Valley Mosquito Vector Control District