 It frequently organises study excursions and seminars to promote its professional water management strategies with world-renowned organisations such as UNESCO, UNEP, UN-HABITAT, Asian Development Bank and World Bank.PUB also offers its Waterhub as the Asia Pacific Regional Knowledge Hub for open-sharing of management strategies and facilities to developing countries.Employees of Public Utilities Board are represented by the Public Utilities Board Employees' Union, a House Union affiliated to the National Trades Union Congress.