This e-book on 'e-Technology and Manufacturing Enterprise Competitiveness' mainly comprises of selected papers presented at the 3rd International Workshop on Supply Chain Management and Information Systems (SCMIS2005), hosted by the South East European Research Centre (SEERC) - a collaborative venture of the University of Sheffield (UK) and Thessaloniki's CITY Liberal Studies (Greece) - Affiliated Institution of the University of Sheffield, on July 6 - 8 2005, in Thessaloniki, Greece. Past research on aspects of e-Technology tends to be fragmented. In today's digital economy, practitioners of production and operations need to address their evolving business landscape in formulating, designing and implementing competitive solutions in order to add value to their business. This Special Issue aims to investigate the performances, successes, failures, critical issues and roles of e-Technology in contributing to manufacturing enterprise competitiveness. The Special Issue consists of theory building and empirical study papers that have strong relevance to the practical world in manufacturing sectors, as well as case studies and papers with best practices experiences.