Glenwood Beer was incorporated in the Commonwealth of Pennsylvania in 1961. It was founded by Allen L. Green and James H. Green. Today, it is owned and operated by James E. Mantyla, Michael Green and John E. Stefanik. It has grown from a small neighborhood beverage distributor to become the largest alcoholic beverage distributor in Northwest Pennsylvania and is currently serving 13 Pennsylvania counties. Its primary business is the wholesale distribution and sale of malt brewed products. It currently markets the products of a number of major suppliers, i.e. Miller Brewing Co., Coors Brewing Co., High Falls Brewing, Pabst Brewing Co., and others.