Resumo. ABSTRACT This study analyzed the concentration of the Production Gross Value (GDP) of the pinion in the state of Paraná, in the period 1995 - 2010. The regional concentration was measured by the concentration ratio, the Herfindahl-Hirschman Index and the Gini index. He noted that GDP of the pinion in Paraná grew at an annual rate of 16.52% pa in the period analyzed. The regional concentration of GDP pinion in Paraná is in the Centro Sul mesoregion, Guarapuava microregion, of the Turvo and Pinhão cities and mesoregion Sudeste, microregion União da Vitória, General Carneiro city. According to Bain classifications, the concentration ratio was high to low, at the municipal level. Prevailing low concentration and microregion level concentration prevalence was very high to high. The Herfindahl-Hirschman index showed downward trends in the concentration in mesoregion levels, microregional and municipal. The Gini index showed high levels of inequality at the local (GMunic) level when compared to the Paraná mesoregions (GMeso).