Detention Device Systems

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Detention Device Systems, located in Hayward, Calif., designs and manufactures detention equipment metal fabrications. Its primary product line includes sliding door locking devices, tool resisting grillwork and related steel furnishings for the correctional construction market. The company also manufactures gun lockers, rifle lockers, key cabinets, food pass doors, duct grilles, access panels, mirrors, CCTV camera enclosures, desks, book shelves and tables. DDS incorporated in 1985 as the security product marketing and development division of Allington Industries. In Allington Industries was merged into the DDS group.