The Hershey Company, known until April 2005 as the Hershey Foods Corporation and commonly called Hershey's, is an American company and one of the largest chocolate manufacturers in the world.
 Its headquarters are in Hershey, Pennsylvania, which is also home to Hershey's Chocolate World.
 It was founded by Milton S. Hershey in 1894 as the Hershey Chocolate Company, a subsidiary of his Lancaster Caramel Company.
 Hershey's products are sold in over 60 countries worldwide.
 In addition, Hershey is a member of the World Cocoa Foundation.
 It is also associated with the Hersheypark Stadium and the Giant Center.
Leaf Brands, LLC is a candy company based in Newport Coast, Newport Beach, California in the United States.
 The original Leaf Candy Company started in the 1920s.
 Leaf Brands was once the fourth largest candy producer in North America, creating products such as Whoppers, Jolly Rancher, Milk Duds, Rain-Blo bubble gum, Heath bar and PayDay, before the U.S. division was sold to the Hershey Foods Corporation in 1996 and left the United States.
Milk Duds are a caramel candy, enrobed with a confectionery coating made from cocoa and vegetable oil.
 They are manufactured by The Hershey Company, and sold in a yellow box.
Heaven Hill Distilleries, Inc. is an American, private family-owned and operated distillery company headquartered in Bardstown, Kentucky that produces and markets the Heaven Hill brand of Kentucky Straight Bourbon Whiskey and a variety of other distilled spirits.
 Its current distillery facility, called the Heaven Hill Bernheim distillery, is in Louisville, Kentucky.
 It is the seventh-largest alcohol supplier in the United States, the second-largest holder of bourbon whiskey inventory in the world, the largest independent family-owned and operated producer and marketer of distilled spirits in the United States, and the only large family-owned distillery company headquartered in Kentucky (not counting the Brown-Forman Corporation, which is publicly traded but more than two-thirds family-controlled, or the Sazerac Company, which is family-owned but headquartered in Louisiana).
Cadbury Dairy Milk is a brand of milk chocolate manufactured by Cadbury.
 It was introduced in the United Kingdom in 1905 and now consists of a number of products.
 Every product in the Dairy Milk line is made with exclusively milk chocolate.
 In 2014, Dairy Milk was ranked the best-selling chocolate bar in the UK.
 It is manufactured and distributed by the Hershey Company in the U.S. under license from Cadbury.
Joyoung Co., Ltd. () is a Chinese manufacturer of home-use soybean milk machines, headquartered in Jinan, Shandong.
 The business was incorporated in 1994.
 As of 2009 it was China's largest soybean milk machine company.
 The company saw an increase in business after a tainted milk scandal in 2008.
 In May of that year it was listed on the Shenzhen Stock Exchange.
The Hershey's Milk Chocolate Bar (commonly called the Hershey's Bar) is the flagship chocolate bar manufactured by the Hershey Company.
 It is often referred by Hershey as "The Great American Chocolate Bar."
 The Hershey Milk Chocolate Bar was first sold in 1900, followed by the Hershey's Milk Chocolate with Almonds variety, which began production in 1908.
Byrne Dairy is a regional dairy company headquartered in Syracuse, New York.
 It was founded during the Great Depression in 1933, delivering milk bottles to New Yorkers by horse-wagons.
 The company is privately run and has expanded, distributing across the Upstate New York region, supplying many wholesale and retail locations.
 The company also has a wholesale distribution center in Massachusetts.
Plasmon biscuits are a biscuit containing plasmon, a proprietary dried milk.
 The manufacturers claimed that 3 pounds of plasmon made 100 pints of milk.
 Plasmon was manufactured by the International Plasmon Company and was added to a number of different products to make Plasmon Oats, Plasmon Cocoa and Plasmon Biscuits.
 Plasmon biscuits are still manufactured in Italy by the H. J. Heinz Company.
Yili Group (Chinese: 伊利集团 , "Yīlì Jítuán"; full name: Inner Mongolia Yili Industrial Group Company Limited) is a privately owned company of dairy industry in China.
 It is engaged in processing and manufacturing of milk products, including ice cream, powdered milk, milk tea powder, sterilized milk and fresh milk under "Yili" brand.
 It is headquartered in Hohhot, Inner Mongolia.
 Its main competitor in China is Mengniu.

Question: Milk Duds are manufactured by a company headquartered in what state?
Answer: Pennsylvania