The arrangement linking a number of independent organizations involved in some common undertaking, with one firm typically in a more central role:.
1. Consists of a central executive (often the owner-manager) who handles all major decisions and oversees al operations with the help of a small staff
2. An entity organized into functional departments, with departmental managers who report to the CEO and small corporate staff
3. A set of operating divisions organized along business, product, customer group, or geographic lines and a central corporate headquarters
4. A combination structure that overlays one type of structure onto another type, with multiple reporting