D. G. Yuengling & Son is the oldest operating brewing company in the United States, established in 1829. It is one of the largest breweries by volume in the country. Based on sales in 2011, Yuengling was tied with the Boston Beer Company, maker of Samuel Adams brands, as the largest American-owned brewery. Its headquarters are in Pottsville, Pennsylvania. Yuengling produces about 2.8 million barrels annually, operating two Pennsylvania facilities and a brewery in Tampa, Florida.
Yuengling is pronounced /ˈjɪŋlɪŋ/ YING-ling, and is an Anglicized version of Jüngling, its founder's surname and the German term for "young man".
The family-owned brewery has traditionally changed ownership through the purchase of the company by the offspring of the previous owner. Due to the popularity of Yuengling Traditional Lager in Pennsylvania and the Delaware Valley (including South Jersey), it can be ordered by simply asking for a lager.(Wikipedia)