First Interstate BancSystem

First Interstate BancSystem, Inc. is a financial services holding company headquartered in Billings, Montana. Through its banking subsidiary, First Interstate Bank, the company provides community banking services to individuals, businesses, municipalities, and other organizations across the western and midwestern United States. Its current offerings include consumer and commercial banking, deposit products, lending, treasury management, and a range of specialized services such as trust, investment management, insurance, custodial, and employee benefit solutions. The bank serves a broad mix of customer groups and industries, including agriculture, healthcare, energy, education, construction, retail, and government. First Interstate BancSystem focuses on relationship-based banking supported by digital channels such as online and mobile banking, making it a regional financial institution with a diversified service model and an important role in local and business banking markets.