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 March 31, 2026, FNB has total assets of nearly $51 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 more than 350 offices. The company has total employment of approximately 4,600. Wikipedia