The paper examines the role of knowledge management in changing organisational culture. Successful organisations manage knowledge towards high market share. Corporate Governance of Construction Industry companies is under scrutiny not only for financial performance but also for ethical issues such as preserving a healthy environment. A specific approach to knowledge management helps to clarify the role of main players in corporate governance in supporting a healthy environment. The approach also identifies what is key knowledge the Australian Construction Industry corporations should pay attention to preserve their sustained competitive advantage.