Oracle Applications 11i (Oracle eBusiness Suite) has a feature called Multi-Org, what brought a lot of benefits for an Organization which has multiple business units. Using the Multi-Org enhancement, this kind of company will need only one single instance to support its business, keeping transactions data separate and secure.
This model allows you to support any number of business units on a single instance of any Oracle Applications product, even if those business units use different sets of books (SOBs). You are also able to define different structures to customize Oracle Applications according to your business need. The basics business needs are: