National Maritime Union
![Seamen in hiring hall, NMU banner, New York City, December 1941. (Photograph: Arthur Rothstein)](/Images/godic/202501/29/NMU-members-19411116.jpg")
![This building at Seventh Avenue between 12th Street and 13th Street, designed by Albert C. Ledner, was built in 1964 as the union's headquarters. The hiring halls were in the glass blocks on the ground floor. The union sold it to St. Vincent's Hospital in 1973.[8]](/Images/godic/202501/29/StVincents1116.jpg")
![The Joseph Curran Annex (left) and Plaza (right), on Ninth Avenue between West 16th and 17th Streets, were built in 1966, also designed by Ledner.[8] The Ninth Avenue building on the right is currently the Maritime Hotel, while the 17th Street building (left) is being converted into the Dream Downtown Hotel.](/Images/godic/202501/29/Maritime_Hotel_and_Dream_Downtown_Hotel_17th_Street1116.jpg")
The National Maritime Union (NMU) was an American labor union founded in May 1937. It affiliated with the Congress of Industrial Organizations (CIO) in July 1937. After a failed merger in 1988, the union merged with the Seafarers International Union of North America in 2001.