Wilken Group is an Australian owned and operated company established in 1981 specializing in electrical installation. Wilken Group consists of: Wilken Service Pty Ltd and Wilken Electrical Service Pty Ltd. Wilken Group is a successful company that continues to grow as a market leader in the NSW Electrical Contracting, Engineering, Contestable Works – ASP/1 (Accredited Service Provider) and Private High Voltage market.