SNC-Lavalin Group Inc. The Group's principal activities are to provide engineering services, project management and project financing services in the industrial, transport, power, infrastructure, buildings, telecommunications, environment and defence sectors. During Jan 2003, the Group acquired GDS Engineers Inc. Power accounted for 31% of 2002 revenues; chemicals and petroleum, 19%; infrastructure, 17%; Facilities and Operations Management, 16%; defence, 8%; Mining and Metallurgy, 5% and Others, 4%.