PSB Financial, Inc. focuses on operating as the bank holding company for Pioneer State Bank that provides various financial services in southwestern Montana. The company offers a range of deposit accounts, including non-interest-bearing demand accounts, interest-bearing demand accounts, savings accounts, and certificates of deposits. It also offers one- to four-family residential mortgage loans, as well as commercial real estate loans, construction and land development loans, commercial loans, home equity loans and lines of credit, and consumer and automobile loans. In addition, the company offers electronic banking services, including mobile and online banking, and bill pay; and invests in securities. PSB Financial, Inc. was incorporated in 2025 and is based in Deer Lodge, Montana.