42 Computer and computer software consultation, research, design and development services in the field of home and industrial security, safety and surveillance; computer and computer software consultation, research, design and development services in the field of hazardous materials security; computer and computer software consultation, research, design and development services in the field of law enforcement; computer and computer software consultation, research, design and development services in the field of emergency management; computer and computer software consultation, research, design and development services in the field of defense; computer and computer software consultation, research, design and development services in the field of aviation; computer and computer software consultation, research, design and development services in the field of communications; computer and computer software consultation, research, design and development services in the field of sensor data processing; computer and computer software consultation, research, design and development services in the field of information technology; basic and applied research services in the field of computing and software products that incorporate sensors, process sensor data, and/or transmit sensor data in the fields of home and industrial security, safety and surveillance; hazardous materials security, law enforcement, emergency management, defense, aviation, communications, sensor data processing, and information technology; technical engineering and consulting support services in software development and use in the fields of home and industrial security, safety and surveillance; hazardous materials security, law enforcement, emergency management, defense, aviation, communications, sensor data processing, and information technology