Contribution developed for online and offline billing, real stock control of all products only with billing. The system is very large, it began to be created with the first versions of oscommerce 2.2 and over time more than 200 companies have developed it, Empresa 3.0 is a billing system that offers many ways to interact with the customer. Enterprise 3.0 OsCommerce highlights ADVERTISING Banner Shop-to-shop Share Stock between equal stores, create a network of stores Points Progra