Wikipedia
Gruma
Gruma, S.A.B. de C.V., known as Gruma, is a Mexican multinational corn flour and tortillas manufacturing company headquartered in San Pedro, near Monterrey, Mexico. It may be the largest corn flour and tortillas manufacturer in the world. Its brand names include Mission (Misión in Mexico), Maseca, and Guerrero.
Gruma reported revenues of US$ 3.8 billion for 2014. It operates more than 79 plants worldwide, mainly in Mexico, the United States and Europe, and employs approximately 18,000 people.
Gruma is listed on the Mexican Stock Exchange since 1994 and had a NYSE listing through ADRs from 1998 up to September 2015. It is a constituent of the IPC, the main benchmark index of Mexican stocks.