Service area: 290,000 residents in Benton, Lincoln, Linn and portions of Marion and Polk counties.Employees: 5,000+Projected annual revenue: $500 millionHospitals: 5Primary care and specialty physician clinics: 100+Health plans: Medicare, Medicaid and employer group insurance plans serving more than 110,000 people.Foundations: Raises $3 to $6 million annually from thousands of donors to support facility improvements, equipment purchases, scholarships for low-income patients and more.