No doubt about the strong presence of women in social, political, and cultural association in our country and throughout Latin America.However, the participation of women in elected positions in our study, the unions and their place in formal decision-making, yet bear no proportion to the members of the organization or whit its growth in the workforce, nor with the real presence of the same in the struggle for the rights of / os workers / s and different walks of life and political union.At 10 years after the implementation of the Law Women's Association, Quota, we believe important to analyze the impact occurred in the path of struggle towards equal representation, as well as real progress towards greater gender equity. León M. S. [Participación de las mujeres en una organización sindical: Asociación de Trabajadores del Estado (ATE)].