The document discusses supply chain mapping, including what a supply chain map is, how mapping can help businesses, and how to create a supply chain map. It provides an example of how two companies, Capital Equipment Inc. and Mare Technologies, collaborated to map their supply chain, identify inefficiencies, prioritize improvements, and implement changes that reduced lead times, work-in-process, and costs. The document also covers potential difficulties in supply chain collaboration and provides an activity for mapping the peanut butter supply chain of Ritz Peanut Butter Co.