California

• Los Angeles County
• San Diego County
• Orange County
• Riverside County
• San Bernardino County
• Imperial County
• Alameda County
• Sacramento County
• Kern County
• Fresno County
• Tulare County
• Ventura County
• San Joaquin County
• Contra Costa County
• Santa Clara County

Arizona

• Maricopa County
• Prima County
• Pinal County
• Yavapai County
• Yuma County
• Mohave County
• Coconino County
• Cochise County
• Navajo County
• Apache County

Nevada

• Clark County
• Washoe County
• Lyon County
• Carson City/county
• Elko County
• Douglas County
• Nye County
• Churchill County
• Humboldt County
• White Pine County

New Mexico

• Bernalillo County
• Dona Ana County
• Santa Fe County
• Sandoval County
• San Juan County
• Valencia County
• McKinley County
• Lea County
• Otero County
• Chaves County

Texas

• Harris County
• Dallas County
• Tarrant County
• Bexar County
• Travis County
• Collin County
• Denton County
• Hidalgo County
• El Paso County
• Fort Bend County