Construction consultation; Construction management; Construction planning; Construction project management services; Construction project management services in the field of construction of renewable energy and energy generation equipment support structures and ancillary structures for supporting meteorological data gathering equipment; Construction supervision; Building construction; Installation and maintenance of solar energy based power plants; Installation of renewable energy generation equipment; Installation of solar energy systems and alternative energy products for residential and commercial use; Repair and installation services, namely, the installation of heating, cooling and environmental control systems primarily using solar energy, renewable energy resources and rainwater