The San Diego Blood Bank is a 501(c)(3) nonprofit organization operating as the Southern California Blood Bank. It provides lifesaving blood services to hospitals in San Diego, Los Angeles, and Orange Counties. Services include blood donation, hosting blood drives, and medical research. The target audience includes hospitals, patients, and community donors. The unique selling proposition is its commitment to quality blood services and community engagement, encouraging regular donations to ensure a steady blood supply for medical needs. The organization also supports innovative medical research and offers donor recognition programs like the Guardians Circle.