Hickinbotham Brothers Shipbuilders was a shipbuilding company in Stockton, California on the Stockton Channel. To support the World War II demand for ships Hickinbotham Brothers built: Type V ship Tugboats, Tank Landing Barge, balloon barges and Coastal Freighter (design 381, 381 tons). Hickinbotham Brothers also called Hickinbotham Brothers Construction Division was opened in 1852 and is still a working shipyard. Hickinbotham Brothers started by building: horse carriages, horse wagons, threshers and Combine harvester. In 1942 Ronald Guntert and L. R. Zimmerman ran the company as a partnership on the Banner Island waterfront. After World War II, Guntert and Zimmerman purchased Hickinbotham out and renamed the company Guntert & Zimmerman Construction. In 1984 the company moved to Ripon, Ca