Data envelopment analysis (DEA) is a flexible management tool and methodology that can be utilized in a variety of ways. This flexibility is evident in the applications of DEA for investigating corporate environmental sustainability and management. In this chapter an overview of DEA and how it can be utilized alone and with other techniques to investigate corporate environmental sustainability questions is presented. Discussion on how DEA has been used for environmental sustainability theory development and testing using empirical information makes up a core aspect of some of the major contributions DEA has provided in this field. DEA is also used as a management decision support tool, which includes benchmarking and multiple criteria decision making. Some details on how each was used with exemplary references are included. Some future DEA directions that could be used for research and application in corporate environmental sustainability is also defined.