Gruma
Gruma is a Mexican multinational food company specializing in corn flour, tortillas, flatbreads, wheat flour, and related food products.
Last updated August 31, 2026
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Overview
Gruma, S.A.B. de C.V., commonly known as Gruma, is a Mexican multinational food manufacturer whose core business is the production and distribution of corn flour, masa-based foods, tortillas, flatbreads, wheat flour, and snacks. The company is headquartered in San Pedro Garza García, in the Monterrey metropolitan area of Nuevo León, Mexico. Its principal consumer-facing brands include Maseca, Mission Foods, Guerrero, Misión, and a range of regional Central American labels. Gruma describes itself through a portfolio of businesses rather than a single globally prominent masterbrand: the corporate name is strongly associated with industrial food production, while Mission, Maseca, and Guerrero are more visible to consumers in different markets. The company traces its origins to 1949, when the first industrial facility dedicated to corn-flour production was established under the name Molinos Azteca, S.A. de C.V. The business was later associated with Grupo Maseca, a name that reflected its Maseca corn-flour brand. Its central technological and commercial proposition was to industrialize the production of nixtamalized corn flour, allowing tortillas and related foods to be prepared more consistently, conveniently, and at larger scale than traditional fresh-masa production. This model became particularly important in Mexico and later supported the company’s international expansion. Gruma began building an international presence in the 1970s. Costa Rica invited the company to invest in 1973, and a subsidiary opened in California in 1977, helping establish industrial tortilla production in the United States. In 1982, the company opened a nixtamalized-corn-flour facility in Texas. By 1990, it had operations in Mexico, the United States, Honduras, and Costa Rica, and it completed an initial public offering in Mexico under the name Grupo Industrial Maseca, commonly abbreviated as GIMSA. The company subsequently developed a holding-company structure and expanded into additional food categories and geographies. Gruma’s operations include GIMSA, its Mexican corn-flour business; Gruma Corporation, which produces and markets tortillas and corn flour in the United States, Europe, and China; Mission Foods; Molinera de México, a wheat-flour business; Gruma Centroamérica; and interests in Venezuelan flour producers. It also operates Tecno Maíz, which designs and sells equipment for tortilla and corn-snack production under the Tortec and Batitec names. In Central America, its brands include Maseca, Masarica, Torti Masa, Torti Rica, Tosty, and Luisiana. Its wheat-flour portfolio in Mexico has included Selecta, Reposada, Sello de Oro, and Diluvio. The company’s expansion continued into Europe and Asia, including facilities or subsidiaries associated with Coventry in England, Shanghai in China, Ukraine, and Tekkeköy in Turkey. Its China operation was described as the first tortilla producer in that country and supplied wheat tortillas, corn tortillas, and snacks, while distribution reached several other Asian markets. Gruma has also held a minority interest in Banorte and has operated agricultural and palm-heart activities in Costa Rica. Gruma is widely described as the world’s largest corn-flour and tortilla manufacturer. Its scale has included dozens of plants, an extensive distribution network, and a workforce numbering in the tens of thousands, although the exact operating footprint and financial figures vary by reporting period. The business remains focused on industrial staple foods and on serving both retail consumers and foodservice customers. Its continued operation in Russia after the 2022 invasion of Ukraine has attracted public criticism, making geopolitical and ethical considerations part of the company’s recent public profile.
History
Gruma’s history begins in 1949 with the creation of Molinos Azteca, S.A. de C.V., described as the first industrial corn-flour production facility of its kind. The company’s development was based on the industrial preparation of nixtamalized corn flour, a product that could be transported and stored more easily than fresh masa while allowing tortilla makers to achieve more standardized results. As the business expanded, it became known as Grupo Maseca, linking the corporate group to its Maseca brand. International growth began in Central America. In 1973, the government of Costa Rica invited the company to invest there, establishing a pattern of expansion outside Mexico. Gruma entered the United States in a significant way in 1977, when it opened a California subsidiary and helped pioneer industrial tortilla production for the American market. In 1982, it opened a Texas facility producing nixtamalized corn flour. These investments allowed the company to serve both Mexican and broader Latino food markets while adapting tortillas and related products to wider retail and foodservice distribution. The company’s growth in Mexico accelerated during the 1980s and early 1990s. Government policies affecting the availability and pricing of corn, together with measures encouraging the use of corn flour by tortillerías, contributed to a rapid shift from some traditional fresh-masa production toward industrial corn flour. Historical accounts have criticized these policies and alleged that they strengthened Grupo Maseca’s market position at the expense of competitors and traditional producers. In 1990, the company established an initial public-market presence in Mexico under the GIMSA name, standing for Grupo Industrial Maseca, S.A. In 1992, Gruma consolidated a holding-company structure that included a 10% interest in Banorte. It then broadened its activities beyond Mexican corn flour. A 1996 partnership with Archer-Daniels-Midland helped the group enter and expand in Mexican wheat flour, later leading to the development of Molinera de México and brands such as Selecta, Reposada, Sello de Oro, and Diluvio. The company also developed businesses in machinery, snacks, palm hearts, and wheat-based products. The international network expanded through the 1990s and 2000s. Gruma established or developed operations in the United States, Central America, Europe, and Asia. A Coventry, England operation was associated with the company’s European expansion around 2000, while a Shanghai operation was established in 2006. Further expansion followed in Ukraine in 2010 and Turkey in 2011. Gruma Corporation became a major operating platform for corn flour and tortilla products in the United States, Europe, and China. The Shanghai business was described as China’s first tortilla producer and served additional Asian markets through distributors. The company’s business is organized around several operating units. GIMSA produces, distributes, and markets corn flour in Mexico. Gruma Corporation and Mission Foods focus on tortillas, flatbreads, and related products in international markets. Gruma Centroamérica serves Costa Rica, Honduras, Guatemala, and El Salvador with corn flour, tortillas, and snacks. In Venezuela, the company has operated through Molinos Nacionales and Derivados de Maíz Seleccionados. Tecno Maíz supplies machinery used in tortilla and corn-snack production. Gruma has been listed on the Mexican Stock Exchange since 1994 and previously maintained an ADR listing on the New York Stock Exchange, which ended in September 2015. It has been included in Mexico’s IPC benchmark. The company is generally characterized as the largest global producer of corn flour and tortillas, with a broad manufacturing and distribution footprint. In the 2020s, its operation in Russia became controversial following the invasion of Ukraine, as critics questioned the ethical implications of maintaining production there amid international sanctions and corporate withdrawals.
- 2015
NYSE ADR listing ended
[1]Gruma’s American Depositary Receipts ceased trading on the New York Stock Exchange in September 2015.
- 2011
Turkey operation established
[1]Gruma expanded into Turkey through an operation in Tekkeköy, Samsun.
- 2010
Expansion into Ukraine
[1]Gruma expanded its international footprint into Ukraine.
- 2006
Shanghai operation established
[1]The company established an operation in Shanghai and became an early industrial tortilla producer in China.
- 2000
Expansion into England
[1]Gruma opened an operation in Coventry, supporting its expansion into Europe.
- 1996
Expansion into wheat flour
[1]Gruma entered the Mexican wheat-flour market through joint ventures with Archer-Daniels-Midland and subsequent acquisitions.
- 1994
Mexican Stock Exchange listing
[1]Gruma became listed on the Mexican Stock Exchange.
- 1992
Holding-company consolidation and Banorte investment
[1]Gruma consolidated as a holding company and acquired a 10% interest in Banorte.
- 1990
Mexican public offering under GIMSA
[1]The company completed its initial public offering on the Mexican Stock Exchange as Grupo Industrial Maseca, or GIMSA.
- 1982
Texas corn-flour facility opened
[1]The company opened its first United States facility for nixtamalized corn flour in Texas.
Products and positioning
A large-scale, vertically coordinated producer of staple grain-based foods, positioned around industrial tortilla and corn-flour expertise, broad international distribution, and a portfolio of regional consumer brands.
Corn flour
Maseca
Maseca is Gruma’s best-known corn-flour brand and is closely associated with the company’s industrial nixtamalized-corn-flour heritage. It is used to prepare tortillas and other masa-based foods, particularly in Mexico, Central America, and markets serving Latin American consumers. Regional variants and related labels are distributed through Gruma’s international operating businesses.
Tortillas and flatbreads
Mission Foods
Mission Foods is Gruma’s major international tortilla and flatbread brand. Its portfolio includes corn and wheat tortillas and related products sold through retail, foodservice, and other distribution channels. The brand provides Gruma with a consumer-facing identity in the United States, Europe, Asia, and other international markets.
Tortillas
Guerrero
Guerrero is a tortilla brand associated with Gruma’s United States business. It is oriented toward consumers seeking Mexican-style corn and flour tortillas and related staple products, complementing Mission Foods in Gruma’s North American brand portfolio.
Tortillas
Misión
Misión is the name used for Gruma tortilla products in Mexico. It represents the group’s tortilla manufacturing and distribution activities in its home market and is distinct from the Mission Foods branding used in many international markets.
Wheat flour · 1996
Molinera de México brands
Molinera de México is Gruma’s Mexican wheat-flour business. Its principal brands have included Selecta, Reposada, Sello de Oro, and Diluvio. The unit expanded Gruma beyond corn flour and tortillas into industrial and consumer wheat-flour applications.
Corn flour, tortillas, and snacks
Central American portfolio
Gruma Centroamérica markets corn flour under Maseca, Masarica, and Torti Masa, tortillas under Torti Rica, and snacks under Tosty and Luisiana. These regional labels allow the company to adapt its offering to local food traditions across Costa Rica, Honduras, Guatemala, and El Salvador.
Food-processing machinery
Tortec and Batitec
Tortec and Batitec are machinery brands operated by Tecno Maíz. They cover equipment used in the production of tortillas and other corn-based snacks, extending Gruma’s role from food manufacturing into the supply of processing technology for the same category.
Controversies
2022
Continued Russian operations after the invasion of Ukraine
Gruma faced criticism for maintaining one production plant in Russia after the 2022 invasion of Ukraine. The controversy concerned whether continued operations were compatible with international pressure, sanctions-related expectations, and calls for multinational companies to leave the Russian market.
Brand decisions
2006
Entry into ChinaStrategyBackground
Gruma continued its strategy of taking industrial tortilla and flatbread production into markets outside the Americas.
Action taken
The company established a production operation in Shanghai.
Aftermath
The Shanghai business was described as China’s first tortilla producer and supplied wheat tortillas, corn tortillas, and snacks, with distribution extending to other Asian markets.
1996
Entry into wheat flourStrategyBackground
Gruma aimed to broaden its grain-based food portfolio beyond corn flour and tortillas.
Action taken
It entered the Mexican wheat-flour market through joint ventures with Archer-Daniels-Midland and later acquisitions.
Aftermath
The expansion produced Molinera de México and added wheat-flour brands to the group’s operating portfolio.
1977
Industrial tortilla expansion in the United StatesStrategyBackground
Gruma sought to extend its corn-flour expertise into the United States and serve a growing market for commercially produced tortillas.
Action taken
The company opened a California subsidiary and developed industrial tortilla production.
Aftermath
The move established an important base for the later Mission Foods and Gruma Corporation businesses in North America.
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