For owners and managers of coal supply companies, it is important to have accurate data on inventories in warehouses and quarries. Determining the volume and mass of coal on your own is difficult due to the possible significant error. Using modern technologies and equipment, it is possible to carry out an accurate and prompt inventory of bulk materials, regardless of the size of the warehouse and its location. One of the services provided by our company is an inventory of coal in piles with the ability to select the required measurement accuracy. To achieve our goals, we use various methods, such as tachometer technology, 3D laser scanning, optical measurement techniques and others.