Did Security First Bank buy the first Interstate Bank?

Written by Editorial Team | Last Updated: August 2026

Yes, Security State Bank, headquartered in Centralia, Washington, was acquired by Gesa Credit Union. The transaction was completed on May 31, 2025. As part of this deal, Gesa Credit Union purchased substantially all of the assets and assumed substantially all of the liabilities of Security State Bank, which had been a wholly-owned subsidiary of Security State Corporation. Following the acquisition, the former Security State Bank locations were integrated into Gesa Credit Union’s broader network, which now comprises 43 banking locations across Washington state, solidifying Gesa's market presence in the region.

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Security First Bank refers to several independent community financial institutions operating across the United States, providing comprehensive retail banking, agricultural lending, commercial mortgage services, and digital financial management tools.