This research updates the results of the evaluation of the sustainability practices developed by the companies associated to the Business Articulation Network for the Expansion of the Competitive Capacity of Suppliers of Goods and Services in the Oil and Gas Sector of Rio Grande do Norte - REDEPETRO-RN developed by Rezende (2012). Observing the period of the last 8 years, when the research was applied out with companies operating in the oil and gas market (2012), a decrease in the number of companies associated with REDEPETRO-RN is observed in the period, an aspect that may reflect the process of divestment of Petrobras in contracting companies active in the oil and gas service and industry in the state of Rio Grande do Norte. In this sense, this research seeks to assess whether the sustainability practices of companies associated with Redepetro-RN were maintained between 2012 and 2020. Seeking to identify the strategies developed by the companies that remained active in the market. Thus, the research analyzes the sustainability of companies currently associated with REDEPETRO, observing indicators from the environmental, social and economic dimensions. In order to carry out the study, data were collected through a questionnaire applied to the managers or responsible of the companies. The treatment of the data made it possible to identify which sustainability practices are most active in REDEPETRO-RN companies, making it possible to compare the two scenarios studied and thus observe how the companies' sustainable evolution over the period was. In the assessment of sustainability indicators, in the environmental dimension, the indicator of prevention of environmental accidents grew by 58%; in the economic dimension, the indicator of investment in innovative projects, an increase of 17%; in the social dimension, the indicator that had the greatest evolution was that of certification in the social area with 100% growth. The research presents understandings and guidelines for sustainability and sustainable indicators, presenting the environmental, economic and social dimensions of companies.