Sindicato dos Metalúrgicos ABC

The Sindicato dos Metalúrgicos ABC, known in English as the ABC Metalworkers' Union, is a Brazilian trade union headquartered in São Bernardo do Campo, in the metropolitan region of São Paulo. It represents metalworkers in a cluster of municipalities known collectively as the ABC region, principally São Bernardo do Campo, Diadema, Ribeirão Pires, and Rio Grande da Serra. The union is not a consumer brand or commercial company; its public identity is built around collective bargaining, workplace representation, labor mobilization, and political participation in Brazil's industrial working-class movement. The institution traces its organizational history to the expansion of industrial unionism in the region during the twentieth century. The São Bernardo metalworkers' union was founded in 1933, when the area was still administered as a single municipality. Its emergence followed the creation of other officially recognized worker organizations under the corporatist labor framework established during the government of Getúlio Vargas. Early regional union leaders included Marcos Andreotti and Armando Mazzo, figures who helped establish organized labor in the area before the later prominence of Luiz Inácio Lula da Silva. A major structural change occurred on May 12, 1959, when the regional union was divided into separate institutions headquartered in Santo André, São Bernardo do Campo, and São Caetano do Sul. The São Bernardo organization was then known as the Metalworkers' Union of São Bernardo do Campo and Diadema. In 1993 it merged with the Metalworkers' Union of Santo André and adopted the ABC name. That merger lasted approximately three years, but the current organization retained a regional identity linked to the broader ABC industrial belt. The union became nationally prominent through its leadership of major strikes during Brazil's military dictatorship, particularly the wave of industrial actions in the late 1970s and early 1980s. These mobilizations challenged restrictions on collective action and helped make the ABC region a central arena of Brazilian labor politics. The union is widely described as an important institutional and political precursor to the Workers' Party (PT) and the Central Única dos Trabalhadores (CUT). Its former presidents include Lula, who led the organization from 1975 to 1981 before becoming a national political figure and later president of Brazil. Its political visibility continued after the transition to democracy. In 2010, during Lula's presidency, the union launched TV dos Trabalhadores, a television initiative intended to provide communication and media capacity associated with organized labor. The union also became an important site in the 2018 legal and political crisis surrounding Lula. After Judge Sérgio Moro issued a preventive arrest order on April 5, 2018, Lula stayed at the union's headquarters for almost 48 hours. Supporters gathered there for vigils, political events, and speeches. On April 7, Lula left the building, surrendered to the Federal Police, and was subsequently taken to Curitiba to serve a sentence connected with Operation Car Wash. The episode reinforced the union's symbolic association with Lula's labor career and with Brazil's democratic and political history. Today, the Sindicato dos Metalúrgicos ABC remains a regional labor organization serving workers in municipalities that contain major industrial activity. Its principal functions include representing members in employment relations, negotiating with employers, organizing collective action, and maintaining a public role in debates over industrial policy, labor rights, and social protection.

The ABC Metalworkers' Union developed within the industrial region south of São Paulo that became known as ABC Paulista. The region's early organized labor movement included unions formed under the labor rules associated with the Getúlio Vargas government. The São Bernardo metalworkers' organization was founded in 1933 and initially covered the whole area because São Bernardo do Campo was then the relevant municipality for the region. Marcos Andreotti, an early labor organizer, became one of its principal leaders, while Armando Mazzo was another important figure in the area's formative union movement. On May 12, 1959, the original regional organization was divided into three new institutions based in Santo André, São Bernardo do Campo, and São Caetano do Sul. The São Bernardo organization adopted the name Metalworkers' Union of São Bernardo do Campo and Diadema. In 1993 it merged with the Metalworkers' Union of Santo André, producing the name Sindicato dos Metalúrgicos ABC. The merger was dissolved after about three years, but the ABC designation continued to identify the union with the wider industrial region. Its present area of operation includes São Bernardo do Campo, Diadema, Ribeirão Pires, and Rio Grande da Serra. The union's decisive historical importance came from its role in labor mobilization during Brazil's military dictatorship. It led or supported major strikes in the late 1970s and early 1980s, when industrial workers contested wage controls, restrictions on collective bargaining, and authoritarian limits on political participation. These strikes gave the ABC region national visibility and helped create a generation of labor leaders who later shaped Brazil's democratic politics. Luiz Inácio Lula da Silva served as the union's president from 1975 to 1981. His leadership connected the union to the formation of the Workers' Party and, later, to the Central Única dos Trabalhadores. Other former presidents, including Jair Meneguelli, Vicente Paulo da Silva, Luiz Marinho, and Sérgio Nobre, also became prominent figures in organized labor and public life. Through this succession of leaders, the union became associated not only with sectoral representation but also with the broader struggle for democratic institutions and social rights. The organization expanded its public communications role in 2010 by launching TV dos Trabalhadores. The initiative reflected an effort to communicate directly with workers and participate in public debate through media as well as traditional union structures. The headquarters again became a nationally visible political site in April 2018. Following Judge Sérgio Moro's order for Lula's preventive arrest, Lula stayed at the union building for nearly 48 hours. Supporters held vigils and political events there, and Lula addressed people outside the headquarters. On April 7 he left the premises, walked to a nearby location, and surrendered to the Federal Police. He was later transferred to Curitiba, Paraná, in connection with the sentence imposed during Operation Car Wash. The episode underscored the continuing symbolic connection between the union, Lula, and Brazil's labor-based political tradition. The union remains an active regional trade union. Its continuing role is centered on representing metalworkers, negotiating with employers, defending workplace rights, organizing collective action, and maintaining a public voice on labor and industrial policy.

• 2018

  Headquarters becomes site of Lula's surrender

  [1]ABC Metalworkers' Unionen.wikipedia.org

  Lula remained at the union headquarters before leaving on April 7 and surrendering to the Federal Police.

• 2010

  TV dos Trabalhadores launched

  [1]ABC Metalworkers' Unionen.wikipedia.org

  The union introduced its own television initiative during Lula's presidency.

• 1993

  Merger produces the ABC name

  [1]ABC Metalworkers' Unionen.wikipedia.org

  The São Bernardo organization merged with the Metalworkers' Union of Santo André and adopted the name associated with the ABC region.

• 1959

  Regional union divided

  [1]ABC Metalworkers' Unionen.wikipedia.org

  On May 12, the original organization was split into unions headquartered in Santo André, São Bernardo do Campo, and São Caetano do Sul.

• 1933

  São Bernardo metalworkers' union founded

  [1]ABC Metalworkers' Unionen.wikipedia.org

  The metalworkers' union was established in São Bernardo and initially served the broader region that was then organized around the municipality.

A regionally rooted industrial workers' union whose identity combines workplace representation with a historically influential role in Brazil's labor, democratic, and progressive political movements.

• 1980ABC Paulista labor strikes

  ABC region · Brazil

  Further strike activity in the ABC industrial belt reinforced the union's role as a leading vehicle for collective action during the final decade of military rule.

  Outcome. The movement strengthened the political networks that later contributed to the Workers' Party and CUT.

  Source
• 1978ABC Paulista labor strikes

  ABC region · Brazil

  The union led important industrial strikes during the military dictatorship, helping workers challenge authoritarian labor restrictions and wage policies.

  Outcome. The strikes made the union nationally prominent and contributed to the development of Brazil's modern labor and democratic movements.

  Source

• 2010

  Launch of TV dos TrabalhadoresProduct launch

  Background

  The union sought to extend its communication and public-information role beyond traditional workplace representation.

  Action taken

  It launched TV dos Trabalhadores, a union-associated television station.

  Aftermath

  The initiative added a media platform to the union's organizational and political communications activities.

  Source

• 2018

  Union headquarters becomes focal point during Lula arrest proceedings[1]ABC Metalworkers' Unionen.wikipedia.org

  Other

  After a preventive arrest order was issued for former president Lula, he stayed at the union's headquarters for nearly two days. The building hosted vigils, political gatherings, and speeches before Lula left and surrendered to federal authorities on April 7.

• 2010

  Union launches TV dos Trabalhadores[1]ABC Metalworkers' Unionen.wikipedia.org

  Product launch

  During Luiz Inácio Lula da Silva's presidency, the union launched TV dos Trabalhadores, extending its communications role beyond conventional workplace organization.

• 1978

  ABC Metalworkers' Union leadership of strikes during Brazil's military dictatorship[1]ABC Metalworkers' Unionen.wikipedia.org

  Other

  The union became nationally prominent by helping lead important industrial strikes in the ABC region during the military dictatorship. The mobilizations challenged restrictions on labor organizing and made the union a central institution in Brazil's democratic labor movement.

1. 1ABC Metalworkers' Unionen.wikipedia.org