Installation, repair, and maintenance services of electrical communications systems, wireless protocols, electronic and electrical monitoring equipment and apparatus, namely, maintenance, servicing and repair of apparatus and installations for generating power and building controls; Installation, integration in the nature of installation into existing systems, maintenance, and repair of commercial automation systems and products, namely, building automation control panels, radio controlled electrical receptacles and switches, wireless repeaters, and network and wireless networking equipment; installation, maintenance, and repair of systems for providing heating, electrical, ventilating, air conditioning, refrigeration, energy, lighting, and water access systems for industrial, commercial, residential, and governmental facilities, namely, maintenance, servicing and repair of power generating apparatus and installations and building controls; Building maintenance and repair