The paper defines the current digital transformation elements and challenges the traditional extension of people, process and technology in the IT/OT, ISA-95 based convergence (north to south view) with the growing influence of IIoT that can provide a sensor view of the asset seamlessly to the corporate office. Advancements in hardware, software, sensors and network communications warrants revisiting to ensure the holistic view of data governance and organizational maturity that includes next generation concepts such as the introduction of fog computing, used in facilitating data access from next generation sensors at the edge into historians and beyond into the cloud for advanced analytics. Therefore, an increasingly holistic next generation maturity models needs to be considered when embarking on this digital transformation journey (east to west view).