Hanlon was a shipyard in Oakland Inner Harbor on the north bank of the Oakland Estuary at the foot of 5th Ave. In 1919 the site had 5 slipways and occupied 13 acres.
Founded in 1910, the yard produced a few barges and the cargo ships Bacchus and Joplin for the Herules Powder Company as well as 11 cargo ships for the United States Shipping Board, with 2 being requisitions and 9 built under contract. Hanlon was the sole producer of Design 1043 ships.
In 1928 the yard was bought by the nearby General Engineering & Dry Dock Company, in 1940 the Hurley Marine Shipyard repair facility operated on the site.