BOK Financial Corporation (NASDAQ: BOKF) is a diversified financial services holding company that traces its origins to 1910. Headquartered in Tulsa, Oklahoma, the company operates primarily through its banking subsidiary, BOKF, NA, which does business under various regional brands such as Bank of Oklahoma, Bank of Texas, and Bank of Albuquerque. BOK Financial's business model is structured around three primary segments: Commercial Banking, Consumer Banking, and Wealth Management. The Commercial Banking segment is a major revenue driver, offering lending, treasury, and cash management services, with a historically strong specialization in energy sector lending, alongside healthcare and commercial real estate. This segment also operates TransFund, a top-10 national electronic funds transfer (EFT) network. The Consumer Banking division provides retail lending, deposit services, and mortgage origination through its extensive branch network across eight states in the Midwest and Southwest. The Wealth Management segment offers fiduciary, private banking, investment advisory, and brokerage services, managing over $110 billion in assets. BOK Financial distinguishes itself from peers through its significant fee-based revenue streams, which account for roughly 40% of total revenue, providing resilience against interest rate cycles. The company's geographic concentration in energy-producing states and its specialized petroleum engineering staff give it a competitive edge in energy lending, while its diversified wealth and payment processing businesses ensure stable profitability.