When you create a new company in BUSY a material centre called main store already create, further if you wish to add more material centers follow the below steps:
Step 1: Go to administration menu then click on configuration sub menu.
Step 2: Select features and options and click on inventory tab.
Step 3: Here, tick on enable multi godown inventory and save.
Step 4: Go back to administration menu then select masters.
Step 5: Select material centre then click on add and enter the required details such as name, group, stock account, etc and save.