Exhibit 21 List of Subsidiaries of Rollins, Inc. The following list sets forth subsidiaries of Rollins, Inc. Each corporation whose name is indented is a wholly-owned subsidiary of the corporation next above which is not indented. Name State of Incorporation Orkin Exterminating Company, Inc. Delaware Dettlebach Pesticide Corporation Georgia Kinro Advertising Company Delaware Orkin Expansion, Inc. Delaware Orkin S.A. de C.V. Mexico Rollins Continental, Inc. New York Rollins Expansion, Inc. Delaware Rollins Management Services, Inc. Delaware Rollins Supply, Inc. Delaware Red Diamond Insurance Co. Vermont