Data warehouse inventory is the most important task to do in the work processing at PT. Gramasurya. The good managing of data warehouse, would make the collecting process of stuffs work easier, and it also certify the data administration well saved. The workers periodically do wrong during data collecting process, so the expecting result would never happen. Which it influences much to the loss of company incomes. This observation purpose to develop and implement system of the data warehouse inventory collecting process, based on openERP Odoo platform. By using openERP Odoo modul Inventory system, it would help the workers easily to manage the in and out coming data. Based on black box directly test result, the tester team trying the data warehouse inventory application using Odoo Inventory. It can be concluded, that the data inventory application can be used by the workers to collecting data warehouse inventory. Using the application, the worker also can find the in and out coming data warehouse’s track record. It has been proven by the result of black box test.