"Emerge, splurge, purge"
You can refine the search and change the keywords if needed.
You can also use this list to find more free information available on the web on the companies if you don't want to buy the cases.
This is a "case study" page on Water, you will find many more like this in the previous sustainability reports and sections of those reports "Climate change", "blueprint", etc.
See the section : Corporate Water Management in Practice for examples of companies (Coca Cola, Dow Chemicals, Ford, Levis, Univlever...)