FNB Corporation is a diversified financial services corporation based in Pittsburgh, Pennsylvania, and the holding company for its largest subsidiary, First National Bank. As of December 31, 2025, FNB has total assets of more than $50 billion. FNB's market coverage spans several major metropolitan areas, including Pittsburgh, Pennsylvania; Baltimore, Maryland; Cleveland, Ohio; Washington, D.C.; Charlotte, Raleigh, Durham and the Piedmont Triad in North Carolina; and Charleston, South Carolina, with approximately 350 offices. The company has approximately 4,200 employees. Wikipedia