The bulk of North American operations take place in four buildings located adjacent to each other on Park Avenue in New York City: the former Union Carbide Building at 270 Park Avenue, the hub of sales and trading operations (which is being demolished and replaced), and the original Chemical Bank building at 277 Park Avenue, where most investment banking activity takes place. Asset and wealth management groups are located at 245 Park Avenue and 345 Park Avenue. Other groups are located in the former Bear Stearns building at 383 Madison Avenue.