PSB Holding Corp. operates as the holding company for Provident State Bank, Inc. that provides various banking products and services to individuals, small businesses, associations, and government entities. The company offers checking and savings accounts; and construction loans, home equity lines of credit, unimproved land loans, residential mortgages, manufactured home loans, overdraft lines of credit, installment loans, vehicle and boat loans, business lines of credit, commercial loans and mortgages, commercial letters of credit, equipment loans, and agricultural loans. It also provides cash management services; and personal check cards, credit and debit cards, merchant bank cards, wire transfers, night depository services, notary services, cash advances, e-statement services, safe deposit boxes, automated teller machine services, and bill payment services, as well as direct deposit of payroll and social security checks, and automatic drafts from accounts. In addition, the company offers online, mobile, and telephone banking services. It primarily operates in Caroline, Dorchester, Talbot, and Wicomico counties in Maryland; and Sussex County in Delaware. The company was founded in 1904 and is based in Preston, Maryland.