AIP operates across a variety of regions:

• North Bay: Napa, Sonoma, and Solano counties
• Redwood Coast: Lake and Mendocino counties
• Humboldt: Humboldt county
• East Bay: Alameda, Contra Costa, and Fremont counties
• Central Valley: San Joaquin, Stanislaus, Merced and Fresno counties
• South Bay: Santa Clara County