The purpose of the case study is to investigate whether a combined Lean Six Sigma philosophy can help to improve collaboration to get more integrated supply chains. The method used was Literature review, multiple case study, face-to-face interviews and observations on-site in seven large swedish companies. It has been indicated that by implementing Lean Six Sigma Philosophy companies could improve business environment and improve collaboration to get integrated supply chains. The paper provides guidance to organizations regarding the applicability and properties of quality philosophies and concepts in logistics.