Organizational field is defined as "sets of organizations that, in the aggregate, constitute a recognized area of institutional life; key suppliers, resource and product consumers, regulatory agencies, and other organizations that produce similar services or products".
^DiMaggio, P.; Powell, W. W. (1983). "The iron cage revisited: Institutional isomorphism and collective rationality in organizational fields.". American Sociological Review. 48: 148, 149. doi:10.2307/2095101.