P PT. Huntsman Indonesia is a company engaged in textile chemicals. The main problem is waste, one of which is the overproduction of 9%. The purpose of this research is to eliminate the waste that occurs so that the company can become a sustainable company. This study begins by measuring the sustainability awareness of the company by using a sustainability awareness questionnaire to determine the drivers, barriers, and benefits of sustainability. Conduct waste analysis using Sustainable Value Stream Mapping (SVSM) and Ishikawa diagrams. Performing a sustainability index calculation to find out how much effort is needed to achieve sustainability. The Questionnaire method is used to obtain factors from sustainability drivers, barriers, and benefits of sustainability. This questionnaire contains general sustainability awareness, the end result of which becomes an input for sustainability drivers, barriers, and benefits of sustainability. The next method is to use Process Activity Mapping (PAM) and SVSM methods with a traffic light and identify Value Added (VA), Necessary Non-Value Added (NNVA), and Non-Value Added (NVA). Waste identification uses the Ishikawa diagram which then calculates the Sustainability Index (SI) to calculate the percentage needed by the company in implementing the concept of sustainability. The percentage of SI on the economic pillar was 118.3% to 107%, the social pillar was 279.7% to 128.3% after the improvement, and the environmental pillar was 206.8% to 147.5% after the increase. The overall Sustainability index value is 195.3% to 129.5% after improvement. The results of this study aim to reduce the value of the sustainability index so that the company can become a sustainable company.