On November 04, 1965, the" Union of the Industries of Joineries, Sawmills, Carpentries and Tanoarias of Caxias do Sul", is constituted with territorial base in Caxias do Sul;
On April 27, 1966 it is sent by the Ministry of the Businesses of the Work and Social welfare, the syndical letter passing of Professional association of the Industries of Joineries, Carpentries, Sawmills and Tanoarias of Caxias do Sul for" Union of the Industries of Joineries, Sawmills, Carpentries and Tanoarias of Caxias do Sul";
The entrance 3046 of January 13, 1970 altered the denomination of the economical category of the group 3 for" Union of the Industries of Sawmills, Carpentries, tanoarias, Compensated Wood and Laminated, Agglomerates and Foils of Fibers of Wood";
On November 20, 1996 general meeting is accomplished for alteration of the social statutes with the inclusion in the territorial base the municipal districts of São Marcos, Flowers of Cunha, Farroupilha, Carlos Barbosa, Garibaldi, New Silver and Veranópolis. On this occasion, the union started to use the acronym" SINDIMADEIRA." Process filed Department of Labor and Job close to under the number 46000. 007256/97;
On November 12, 1997 general meeting is accomplished for alteration of the statute with the inclusion in the territorial base the municipal districts of Antônio Prado, Good Jesus, will Lean of the South, Vacaria, San Francisco of Paula, Jaquirana and Emerald. Process filed in Department of Labor and Job under the number 46000. 010245/97;
On November 18, 1998 general meeting is accomplished for alteration of the statute with the inclusion in the territorial base the municipal districts of Viamão, Capivari of the South, Palmares of the South, Cidreira, Balneário Pinhal, Mustards, Tavares and São José of the North. Process filed in Department of Labor and Job under the number 46000. 011611/98;
In March 05 and April 12, 1999 assemblies were accomplished for inclusion in the territorial base the municipal districts of New Petrópolis, Pricked Coffee, Gramado, Channels, Three Crowns, Chapel, Parobé, Taquara, Rolling, Riozinho, Maquiné, Three Forks, Cotiporã, Vila Flores, Fagundes Varela, Cheerful View of the Silver, New Padua, New Rome of the South, Ipê, Rural of the Mountain, Guabiju, Protásio Alves, André of Rocha, São Jorge and São José of the Absentees; Process filed Department of Labor and Job close to under the number 46000. 007188/99;
On February 07, 2003, one was accomplished more general meeting of extension of territorial base for all of the munícípios of Rio Grande do Sul for the segments Lumbermen, Sawmills, Compensated Wood and Laminated, Agomerados and Foils of Fibers of Wood. On this occasion the union changed his/her denomination for" Sindicato Intermunicipal of the Indústrias Madeireiras, Sawmills, Carpentries, Tanoarias, Esquadrias, Joineries, Pieces of furniture, Compensated Wood and Laminated and Foils of Fibers of Wood of the State of Rio Grande do Sul", under the acronym" Sindimadeira-RS." In this assembly it was also established that it would be maintained the representation already existent of the segments of Sawmills, Carpentries, Tanoarias, Esquadrias, Joineries, Pieces of furniture, Compensated Wood and Laminated, Agglomerates and Foils of Fibers of Wood in the territorial base that it includes the municipal districts of Caxias do Sul, São Marcos, Flowers of Cunha, Farroupilha, Carlos Barbosa, Garibaldi, New Silver, Veranópolis, Antônio Prado, Good Jesus, will Lean of the South, Vacaria, San Francisco of Paula, Jaquirana, Emerald, Viamão, Capivari of the South, Palmares of the South, Cidreira, Balneário Pinhal, Mustards, Tavares, São José of the North, New Petrópolis, Pricked Coffee, Gramado, Channels, Three Crowns, Chapel, Parobé, Taquara, Rolling, Riozinho, Maquiné, Three Forks, Cotiporã, Vila Flores, Fagundes Varela, Cheerful View of the Silver, New Padua, New Rome of the South, Ipê, Rural of Aerra, Guabiju, Protásio Alves, André of Rocha, São Jorge and São José of the Absentees. The process is under the analysis in Department of Labor and Job under the no. 46000. 012845/2003-08.
