Topic - Oppenheimer & Co.

Oppenheimer & Co., Inc. ("OpCo"), a wholly owned subsidiary of Oppenheimer Holdings, offers investment banking and financial advisory services, capital markets services, asset management, wealth management, and related products and services worldwide. The firm's world headquarters is located in Toronto. The company, which once occupied the One World Financial Center building in Manhattan, now bases its operations at 300 Madison Avenue and 125 Broad Street in New York, NY, and at 6 Gracechurch St in London, UK. - Source: Wikipedia