Royal Baking Powder Company

The Royal Baking Powder Company was one of the largest producers of baking powder in the United States. Royal Baking Powder is still marketed today. The company was started by brothers Joseph Christoffel Hoagland and Cornelius Nevius Hoagland in 1866. It later came under the ownership of William Ziegler, and then his adopted son, William Ziegler Jr.