The category company - a company with , refers to a company that uses a network to purchase orders to suppliers, receiving invoices and make payments. This category has been used for many years, particularly using EDI (Electronic Data Interchange) over private networks or value-added network (VAN Value-Added Networks ").
Company category - customer, can be compared with retail electronically. This category has been widely accepted and has expanded over way through the WWW, as various shopping centers (malls English) across the Internet offering all kinds of consumer goods ranging from cakes and wine to computers.
Company Category - Administration, refers to all transactions carried out between different companies and government organizations. For example in the United States when they announced details of the requirements of the new administration through the Internet, companies can respond electronically. You could say that by the time this category is in its infancy but as the government begins to use its own operations, to give rise to Electronic Commerce, is to reach its full potential. Mention should also provide EDI services for transactions such as the return of VAT and corporate taxes.
The customer category - management, not yet born, but after the birth of the company categories - customer and company - management, the government will make an extension to electronic interactions and would make welfare payments and tax return. For more reading about e-commerce read the ecommercetimes.