Computer hardware and software; computer software for automating and managing business procedures.
Electrical and Scientific ApparatusDrilling of deep oil or gas wells; oil and gas drilling; oil drilling services; installation of geothermal systems; erection, installation, maintenance and repair of windmills, wind power plants, wind turbines and other wind-operated machines; repair or maintenance of nuclear power plants and providing information relating thereto; providing information relating to the repair or maintenance of nuclear power plants; installation of power generating apparatus; maintenance and repair of energy generating installations.
Building Construction and Repair