There are a few databases where you might find this information.

• In IBISWorld, type the keyword, company, or code in the main search box. From the results, choose the desired industry reports and a supply chain management graphic will be included in the About the Industry page.

For further information, under the Products and Markets tab, choose Supply Chain. 

• You may also look for articles in The Journal of Supply Chain Management and Supply Chain Management Review. Use "search within this publication"; as well as the databases Business Source Ultimate and ABI/Inform.

• Use Bloomberg in the Margolis Market Information Lab (MIL) in the Business Instructional Facility (BIF). Use the SPLC function for a specific company -- i.e. to find Merck's suppliers; customers; and peers you'd type: MRK [Equity] SPLC [Go].