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agricultural · input

Corn Masa Flour (Nixtamal)

Nixtamalized corn flour used for tortillas, tamales, and flatbreads; Gruma (Mexico) controls ~70% of Mexican market and >50% of US tortilla market through Maseca/Mission Foods brands; essential for Latin American-origin bread products

4

Source countries

1

Companies

1

Goods affected

0

Claims on record

What depends on it

Goods that need this input

1 essential American goods rely on corn masa flour (nixtamal) somewhere upstream in their supply chain.

Food

Bread, grains, and flour

Bread, pasta, rice, flour, and other grain-based household staples.

Where it comes from

Source countries

Share of global supply, by country.

CountryShare of supply
MXMexico89%
COColombia4%
INIndia3%
ITItaly2%

Who makes it

Supplier companies

1 company produce corn masa flour (nixtamal).

Gruma(GRUMAB.MX)

HQ MX70% share

World's largest corn flour and tortilla manufacturer; brands: Maseca, Mission Foods, Guerrero; controls ~70% of Mexico's corn flour market and >50% of US tortilla market; in some Mexican markets, 9 out of 10 kg of tortilla flour is Gruma/Maseca; found to have 'no competitive conditions' by Mexican regulator COFECE in 2024

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