42 Engineering; heat and power usage management; monitoring and control of lighting for others; monitoring and control of burglar and security alarms for others; consulting services for indoor and outdoor lighting; energy and environmental consulting services for industrial, governmental and manufacturing processes; monitoring and control of smoke, fire, intrusion and premises damage alarms; monitoring and control of the use and consumption of water, lighting, and electrical energy for others; monitoring and control of the use of appliances for others; detecting and monitoring power outages and electrical energy consumption for others; monitoring and correcting clocks for others; metering and monitoring electric power consumption by third parties for electric power providers; providing communications between electric power suppliers and their customers; providing control of electric power for electric power suppliers delivered to their customers