Nowadays, before deciding to expand their market to other countries, companies must understand international environment. In last two decades, the environment encountered a lot of changes that make problems and prepare opportunities for business.International trade and global investment is growing fast. Thus the companies interested to enter international markets, just have a real understanding of international trade system. It seems that the companies who want to penetrate global markets and pass boundaries, need updated exact information about the markets.There are "Marketing Services Incorporations" that fulfill these needs and help the companies extend their markets and activities.In order to create and expand the Marketing Services Incorporations, this paper made two distinct surveys, asking marketing services' executive managers and customers to find the needs that must be supported by public sectors and activities that must be done by governmental trade organi? Based on prior studies,,, ' investigations and experts' opinion, this paper preseihs four subsystems to support . marketing services agencies including' law-making systems, support systems, informing systems and "Monitoring-Assessment" systems.Required support for these institutions were classified in six categories that Include: counseling, information, legal, research, educational and financial.