Types of Vertical Marketing Systems Corporate Common Ownership at Different Levels of the channel Administered Leadership is Assumed by one or a Few Dominant Members Contractual Contractual Agreement Among Channel members @2000 Prentice Hall©2000 Prentice Hall Types of Vertical Marketing Systems Corporate Common Ownership at Different Levels of the Channel Contractual Contractual Agreement Among Channel Members Administered Leadership is Assumed by One or a Few Dominant Members