Parent Company
This classification ist based on a global level: The customer is the head office worldwide. To illustrate: Schenker AG, Alfredstrasse 81, D-45130 Essen/Germany is a global head office (=parent company) of Schenker.
Corporate Office
This classification is based on a national level: The customer is the head office within one country, being responsible for several branch offices. To illustrate: Schenker International, Inc., 150 Albany Avenue, Freeport NY 11520/USA is the corporate office of Schenker in the USA.
Branch Office
This classification is based on a national level: The customer belongs to one coporate office in each country. To illustrate: Schenker International, Inc., 15800 International Plaza Drive, Suit 100, Huston TX/USA is one of 46 branch offices in the USA.