Initially Tetra's core team was assisted by two staff members but currently more than 90 people are employed by the company, some of whom are professionals like architects, interior designers, civil engineers, mechanical and electrical engineers. There are four divisions in the company that work together hand in hand to reach one goal, they are: Planning & Design Division, Project Division, Finance & Operation Division, and Marketing Division. Tetra has also taken part in a number of architectural competitions both at home and abroad.After fifteen years of operation in design and construction, TDI is now expanding into property business by setting up Nusaland Indo Asia (NIA) as its developer company.