The common norms, beliefs, and behavior of a company, corporation, or substantial group of people within a company.
The organizational culture of a company - organizational culture is the collective behavior of humans that are part of an organization, it is also formed by the organization values, visions, norms, working language, systems, and symbols, it includes beliefs and habits. It is also the pattern of such collective behaviors and assumptions that are taught to new organizational members as a way of perceiving, and even thinking and feeling. Organizational culture affects the way people and groups interact with each other, with clients, and with stakeholders. - from Wikipedia on Organizational Culture