COLB

Columbia Banking System, Inc.

A Pacific Northwest banking company that, through its subsidiary Columbia Bank, offers commercial lending, deposits, treasury management, and wealth management to businesses and individuals across the western United States, including a new Texas presence after acquiring Pacific Premier in 2025. It traces its roots to a bank founded in 1973 in Longview, Washington, taking its name from the Columbia River that runs through the region. The holding company formed in 1993 and later moved its headquarters to Tacoma, Washington.