The big maker of printers for consumers and business observes its 10th birthday by scrutinizing the elements of its cash-to-cash cycle.

Companies need to look beyond best practices to find competitive advantage in their supply chains. A project at MIT called Supply Chain 2020 is searching for the hidden principles that will guide supply chains now and into an uncertain future.

When earnings stall, the venerable electronics retailer takes a close look at its supply chain organization-and discovers that it doesn't have one.

Castrol's European operation faced a common supply-chain conundrum: excess inventory and poor customer service. A new planning department separate from execution, coupled with technology from ToolsGroup, got the company's supply chain back on track.

Preaching the gospel of Six Sigma, the company takes a global approach to the coordination of after-market parts planning, inventories and distribution.

To meet the ranking's exacting criteria, these companies' supply chains had to be driven by demand forecasting, use cutting edge technology and produce industry leading financial results.