The purpose of this article is to analyze the performance of small and medium-sized enterprises (SMEs) manufacturing, aiming to identify the main practices of sustainability, including the values and transparency, internal audience, environment, supplier relationships, customer and/or consumer relationships, and community relationships. In order to develop this research, a questionnaire was applied on the subject in question, through which the companies were classified as to their reality in relation to corporate social responsibility. Based on the analysis, it was observed that five of these companies obtained a score that indicates that the companies have already assimilated the associated concepts and are clear of the necessary commitments for a socially responsible action. However, given the results obtained, it is possible to conclude that there is a need to strengthen the actions to be taken with regard to corporate social responsibility, since no company has positioned itself in excellence. In addition, some suggestions for new research were identified and discussed in the analysis of the results.