Information Technology (IT) has been undergoing changes in their way of being governed. These changes has made proximity IT and business generating strategic alignment business, where business objectives are deployed in IT objectives. This strategic alignment may be affected and impacted for various external and internal factors to the business, including sustainability which is based on three pillars: economic, social and environmental. The aim of this paper is to evaluate the Influence of these three pillars in the IT strategic alignment processes, using the Delphi Method to obtain the IT experts consensus about influence on these processes. The main result shows there is preponderance that of the Influence of the economic pillar in most cases, but that the social and environmental pillars are already considered relevant processes in risk management and strategic planning.