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Although the literature on environmental sustainability is rapidly increasing, many studies suggest that this problem needs to be dealt with by considering a broader perspective, i.e., supply chains. In this paper, we put forward the idea that different practices for greening suppliers can be combined to shape different green supply management (GSM) strategies. More specifically, the following research questions are posed. 1) How do firms combine managerial practices to form GSM strategies? 2) What are the variables that affect this decision? 3) What are the results of the different GSM strategies? Drawing on a survey among Spanish firms, we performed a cluster analysis that identified three main GSM strategies. In the second step, we contrasted these clusters using environmental drivers, context, and performance variables. The results show that there are several approaches to "greening" the supply chain, with different results and company profiles.