The Engineering Societies' Building, also known as 25 West 39th Street, is a commercial building at 25–33 West 39th Street in the Midtown Manhattan neighborhood of New York City, United States. Located one block south of Bryant Park, it was constructed in 1907 along with the adjoining Engineers' Club. The building was designed by , of the firm , along with Henry G. Morse, in the neo-Renaissance style. It served as the clubhouse of the United Engineering Societies, composed of its three founding societies: the American Society of Mechanical Engineers (ASME), American Institute of Mining Engineers (AIME), and American Institute of Electrical Engineers (AIEE). The American Society of Civil Engineers (ASCE) joined the partnership in 1917.