永續經營企業之研究 / The purpose for this case study was to educate the writer and readers about sustainability in business with an analysis of sustainability as it relates to some business topics like marketing, economics, accounting and entrepreneurship. The aim for the paper is to provide examples of SME’s and major corporations use of sustainability to increase value for stakeholders and society. The process involves looking at companies in Taiwan and around the world through lenses of sustainability reports, company websites and interviews. The paper also includes a local perspective of sustainability by looking at Taiwan’s AUO Optronics and the BCSD in Taiwan. (Business Council for Sustainable Development). The outcome: improved understanding of basic actions companies take to address sustainability to improve business success.