ISYS Search Software, a developer of enterprise search applications, revealed Monday that its flagship product, ISYS, now supports advanced search features for Interwoven WorkSite Server. The company said that ISYS customers can now include Interwoven content in their document collections, which then can be searched via a Web-based interface. Additionally, ISYS said its Interwoven support expands upon WorkSite's 30 document property fields to include supplemental metadata. Established in 1988, ISYS Search Software is based in Denver. The company’s customers include Boeing, Cisco Systems, EMC Corp., the U.S. Department of Homeland Security and the U.S. Department of Justice.