First Interstate BancSystem (NASDAQ:FIBK) is a bank holding company headquartered in Billings, Montana. Through its principal subsidiary, First Interstate Bank, the company provides a full range of commercial and consumer banking services. Its offerings include business lending, commercial real estate financing, agricultural loans, residential mortgage products, and deposit accounts suitable for individuals, small businesses, and large corporations.
The company traces its roots back to the late 1960s and has grown through a combination of organic expansion and strategic acquisitions across the Western United States. In 2017, following the acquisition of franchise rights to the First Interstate name, the company consolidated its branding under First Interstate Bank, reinforcing its heritage while broadening its footprint.
First Interstate BancSystem emphasizes treasury management services, wealth management, trust services, and investment brokerage to meet diverse client needs. Its treasury solutions include online cash management, merchant services and wire transfer capabilities, while its wealth division offers financial planning, investment advisory and trust administration. This full-service approach is designed to support clients at every stage of their financial journey.
Operating in more than a dozen states—from Washington and Oregon through the Mountain West and into the Upper Midwest—the bank serves metropolitan and rural communities alike. First Interstate BancSystem is overseen by an experienced leadership team with deep banking expertise and a commitment to community engagement, maintaining local decision-making authority at its branch locations to foster long-standing customer relationships.