DIALOG Information Services, a major provider of on-line news and information, has released an enhanced version of its DIALOG OnDisc Corporate America package, a directory of US businesses. The new version adds search and display fields for executive names and titles, stock information, and industry descriptions, among others. The new stock information and Fortune indicators allow easy identification of the largest and most recognised companies in the Fortune 100 index. The disc is updated quarterly. Annual subscription and renewal price is US$995.