Information Technology (IT) and Total Quality Management (TQM) have significantly impacted on most organizations and each has been widely researched. However, there is little well-founded empirical research on the relationship between the two, particularly on the way in which TQM is influenced by IT. This paper presents an investigation of such relationships through a survey of the largest industrial companies based in Spain. The data indicate that the most intensive users of IT perceive a bigger impact on their TQM dimensions