Bentley Systems Inc, preparing for life after Intergraph Corp, which is trying to sell its 50% stake in the Exton, Pennsylvania mechanical computer-aided design systems specialist (CI No 2,963), has joined the Open GIS Consortium as a principal member. The group is developing specifications for the geoprocessing industry, and Bentley will join other principal members, including Intergraph, IBM Corp, Mitsubishi Electric Corp, Oracle Corp and Sun Microsystems Inc.