The purpose of this study was basically fivefold: 1) to examine the historical development and significance of the retail mix as a retail management concept; 2) to identify the nature and structure of the independent variables which make up a retail management mix; 3) to distinguish the nature and significance of each variable within the structure of the retail management mix; 4) to propose and develop an interrelated set of propositions in the form of a retail management mix for retail grocery establishments belonging to a retailer-cooperative in the state of Texas; and 5) to relate the retail management mix theory to dependent variables gross profit margin, net profit margin, gross profit return on inventory, and net profit return on inventory. The major thrust of this study was to propose and research a retail management mix theory for retail grocery establishments belonging to a retailer-cooperative in the state of Texas.