Systems, devices, and equipment for measuring and monitoring air quality and indicating and detecting levels of hazardous substances in the environment, namely, gas sensors, gas monitors in the nature of computer hardware, gas detectors, liquid lever detectors; structural parts and accessories for the foregoing systems, devices, and equipment in the nature of instrumentation for monitoring and detecting levels of water, humidity, temperature, toxic gases and combustible gases for detecting specific hazardous substances in the environment and undesirable environmental conditions; computer software and firmware, namely, computer programs to locally and remotely measure, monitor, control and detect air quality and levels of hazardous substances in the environment via the Internet and wireless networks; control systems related to the detection of gases and detection of gas concentration, namely, electrical controllers, sensors, computer hardware and software for detecting, monitoring, alarming, and notification of gases and gas concentrations, water revels, temperature and humidity levels; alarm monitoring systems; apparatus and equipment for generating or transmitting sounds and/or images, namely, audio and video equipment, alarm devices, sound amplifiers, alarm sirens; portable gas detection units used to detect the presence of hazardous gases

Installation and maintenance of gas detection, monitoring, indicating, measurement, and alarm instruments and systems

Design and testing of new products in the field of measuring and monitoring air quality and gas detection, indicating, and alarm instruments and systems; technical supervision and inspections in the field of gas detection, monitoring, indicating, measurement, and alarm instruments and systems; calibration of gas detection, monitoring, indicating, measurement, and alarm instruments and systems; installation and maintenance of computer hardware and software for gas detection, monitoring, indicating, measurement, and alarm instruments and systems; technical monitoring of system, devices, and equipment for measuring and monitoring air quality and indicating and detecting levels of hazardous substances in the environment; technical support services for hardware, firmware, and software systems, namely, troubleshooting of computer hardware and software used for controlling and operating multiple devices, namely, systems, devices, and equipment for measuring and monitoring air quality and indicating and detecting levels of hazardous substances in the environment; environmental monitoring and control services, namely, monitoring the environment for detection of contaminants, technical monitoring services for conditions of water; monitoring of residential, commercial and industrial sites for detection of undesirable environmental conditions

Monitoring of alarm systems and computer systems for measuring and monitoring air quality and indicating and detecting levels of hazardous substances in the environment