The Trojan Powder Company was a United States manufacturer of explosives founded in 1904 that made nitro-starch powder.It had a manufacturing complex in Allentown, Pennsylvania, and another facility at Roberts Landing near San Lorenzo, California.The company thrived during World War I (1914–18), continued research and development in the interwar-period, and during World War II operated a large facility in Sandusky, Ohio, under contract to the army.After the war, production scaled back. A facility in Oregon was sold for use by the Trojan Nuclear Power Plant.In 1967 Trojan Powders became a division of Commercial Solvents Corporation (CSC).It was later acquired by the Ensign-Bickford Company.