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This article aims to explain the sources of resilience in organizations facing an ambiguous environment. It helps us to understand the reconstruction of meaning by actors facing an extreme situation. This work is certainly only an initial reflection on human behavior, but it opens the debate on new avenues for orderly action by actors in crisis situations. The major contribution of this research lies in its aim to clarify the need for collective rather than individual responses in order to maintain reliability within organizations. We propose offering actors a typology of organizational behaviors specific to crisis situations in order to help them maintain their system of organized actions. Thus, our research has identified various mechanisms of resilience constituting food for thought for researchers wishing to study human attitudes and behavior in organizations facing uncertainty.