BKW AG (BKW) is a Switzerland-based company engaged in the energy sector. It covers energy supply, from production and transmission to trading and distribution. The Company's production portfolio incorporates hydroelectric and nuclear power plants, gas-fired power plants and renewable energy facilities. Its subsidiaries include Aicher, De Martin, Zweng AG (ADZ), Arnold AG, engaged in the construction and maintenance of energy, telecommunications, transport and water infrastructure networks; Antec Group AG, engaged in building technology infrastructure services; BKW ISP AG, engaged in electrical installation, telematics and photovoltaics; Ingenieurgemeinschaft Bilek + Kirschner GmbH and Kraftwerks- und Anlagen Engineering GmbH, which focus on engineering services and consulting; IWAG Ingenieure AG (IWAG); Schmid Amrhein AG; Inag-Nievergelt AG (Inag), as well as Enerpeak AG, offering energy and safety engineering solutions for buildings, among others.