It is a group of volunteer people gathered around a common project or interest or sharing common activities. It can have very different goals.You will benefit the entire organization of the association.

The corporate brings together all the activities of a person or group of people who work to provide goods or services to customers.

B2B, the legal persons, consists of using all means to connect companies and facilitate the exchange of products, services and information between them.

A supplier is a natural or legal person who usually sells goods or services to his customers, who may themselves be companies, but also individuals, institutions, associations, an administration...