The CFR also includes regulations for the manufacturing of processed American cheese. One sandwich, with American cheese. It consists of sausage patties, bacon, eggs and American cheese on a sesame seed bun. Toppings range from American cheese to avocado and pineapples. It routinely wins awards from the American Cheese Society and other groups. Cheddar cheese or American cheese may be added for the sauce. ACS organizes the American Cheese Month every October. By the 1990s, ACS had grown along with the American cheese industry. U.S. government cookbooks describe Navy cooks broiling "American cheese filling sandwiches" during World War II. In 2016, Emmi AG acquired American cheese manufacturer Cowgirl Creamery. Also in 2008, Cabot Monterey Jack received an award from the American Cheese Society. Polly-O is an American cheese manufacturing company. The burger was served with American cheese, mayonnaise, tomato, and onions. This cheese won first-place awards from the American Cheese Society in 1998, 2002 and 2005. The first American cheese factory opened in 1868, beginning the wholesale cheese industry.