In recent years, particular attention has been paid to knowledge management and organizational learning in general and tacit knowledge management and organizational memory in particular. This interest is driven by saturation of various markets, innovation speed and increasingly uncertain environments that have led companies to organize and structure themselves as parts of supply chains, by focusing on their core competencies and outsourcing non value-added and less strategic activities. Developing distinctive competencies under such circumstances comes from tacit knowledge learning, creation and memorization. In this paper, we first analyze tacit knowledge from different perspectives; we show how individuals and organizations can learn from tacit knowledge and how they also create new relational and collaborative tacit knowledge from individual, organizational and inter-organizational learning. We then explore how this knowledge can be capitalized into inter-organizational memory which is independent of individuals and organizations within the supply chain.