Church & Dwight Co., Inc. is a leading American manufacturer and marketer of a wide range of household, personal care, and specialty products. The company was founded in 1846 by John Dwight and Austin Church as a partnership to produce and sell sodium bicarbonate, also known as baking soda. Church & Dwight is headquartered in Ewing, New Jersey, United States, and has grown significantly through acquisitions and product innovations over the years.