Established in 1994, we started out our activities by taking care of special events such as product launching, gathering etc. For our respected clients. More than 50 companies have been served, and their appreciation has motivated us to develop our sevices with the main objective in the improvement of satisfaction. By orienting to optimism teamwork achievement success or known as OTAS culture, GReSS implements its vision and mission derected to the customer satisfaction with the competitive advantages. Many activities have been done in order to implement, share and develop the knowledge and skills received. GReSS hold monthly, quarterly and yearly meetings ranging from an upper management meeting to a national meeting which is attended by GReSS branches representatives from all over Indonesia.