37 Installation, maintenance, repair, inspection, and testing of fire detection systems, fire alarm systems, fire suppression systems, intrusion or burglar detection systems, intrusion or burglar alarm systems, security systems, hazardous material detection systems, hazardous material alarm systems, personal emergency response systems; installation, maintenance, repair, inspection, and testing of remote access systems, building control systems, electronic lock systems, electronic building entry systems; installation, maintenance, repair, inspection, and testing of building automation systems, climate control systems, lighting control systems, video and audio recording systems, video and audio closed circuit systems; installation, maintenance, repair, inspection, and testing of telecommunications systems for building security, hazard, and automation applications; installation, maintenance, repair, inspection, and testing of integrated building systems combining hazard detection, hazard alarm, security, lighting, climate control, automation, and other functions