Wilton, Connecticut-based TSI International Inc has added extensions for AIX, HP-UX and Stratus Computer Inc R5 RISC systems to its Mercator object-oriented data mapper. Mercator enables data manipulators to map internal data fields to applications according to ANSI transaction sets. Typical applications used for transforming data include Electronic Data Interchange, the integration of data with core business systems and legacy systems. Prices start at $18,000.