Pacific Premier Bancorp  Inc (PPBI: NASDAQ)  is the holding company for Pacific Premier Bank  one of the largest banks headquartered in Southern California with approximately $115 billion in assets Pacific Premier Bank is a business bank primarily focused on serving small and middle market businesses in the counties of Orange  Los Angeles  Riverside  San Bernardino  San Diego  San Luis Obispo and Santa Barbara  California  as well as markets in the states of Arizona  Nevada and Washington