Exhibit 21 State of Subsidiary Incorporation - ---------------------------------------- ----------------- Car Care, Inc. Delaware Care Investment, Inc. Delaware Colonial Full Service Car Wash, Inc. Texas CRCD, Inc. Texas Eager Beaver Car Wash, Inc. Florida F.E.D. Properties, Inc. New York 50's Classic Car Wash of Lubbock, Inc. Texas Mace Car Wash - Arizona, Inc. Arizona Mace Car Wash, Inc. Delaware Mace Security Centers, Inc. Colorado Mace Security Products, Inc. Delaware Mace Texas I, Inc. Delaware Mace Texas II, Inc. Delaware Mace Trademark Corp. Delaware Mace Truck Wash, Inc. Delaware Mace Wash, Inc. Delaware MSP Retail, Inc. Colorado Worth Manufacturing Company, Inc. Texas