Winning, serving, and retaining customers involves technologies for buying, sourcing, contracting, and managing vendors that go into the creation and delivery of customer value. Vendors of ePurchasing software offer suites that include three to eight of the individual products in this category. But firms have many different internal stakeholders, so CIOs will play a key role in deciding if, where, and what kind of suite can meet these disparate requirements. This report profiles vendors that offer different kinds of suites to help CIOs find the right solution for their firm.