1) Mexican brand 
Gruma is the largest manufacturer of corn flour and tortillas in the world. Its brand names include Mission (Misión in Mexico), Maseca, and Guerrero. Founded in 1949 as `Molinos Azteca, S.A.`, the company is now based in Monterrey, Mexico and has subsidiaries in the United States, China, England, Central America, and Venezuela. In the United St.....