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This special issue aims at a better understanding of organizational reliability and resilience as dimensions of performance. Organizational reliability and resilience are thus reframed as concepts relevant to the management of organizations seeking economic efficiency, beyond safety / risk issues. The three articles develop in-depth case studies in various industries : railway transportation, domestic appliances, and tourism. They address the construction of safety and resilience in project teams, through information technologies and as a post-crisis learning process. A major contribution of the exploration of such different contexts is to underline the importance of time and social dynamics in the construction of reliability and resilience.