Established in 1947 by Bruce and Amy Hodgdon, today, sons Bob and JB have grown Hodgdon Powder Company into the largest US su ... pplier of smokeless, blackpowder and blackpowder substitute propellants. The company distributes gunpowder under the Hodgdon®, IMR®, Winchester®, Goex® and VihtaVuori® brands. Learn more about the brands at these websites – www.Hodgdon.com, www.IMRPowder.com, www.WWPowder.com or www.GoexPowder.com and connect with the Hodgdon brand on Facebook or YouTube. read more