37 Building and facility operations in the nature of machinery installation, maintenance and repair; Building and facility maintenance services, namely, building maintenance and repair, heating, ventilation, air-conditioning (HVAC) equipment maintenance and repair, preventative maintenance of energy systems and equipment in buildings and industrial facilities, service and maintenance of HVAC systems, fire safety equipment, environmental controls, building automation and controls hardware, and security equipment; installation, repair and retrofitting of building automation and control systems hardware; testing, adjusting, and balancing (TAB) services in the nature of building systems maintenance, namely, regulation of air and water flow, duct pressure measurement, sound and vibration measurements, indoor air quality measurement, fire-life safety equipment maintenance; comprehensive preventative maintenance services for electrical, mechanical, environmental and sanitary systems of buildings and industrial facilities; consulting services in the field of maintenance and repair of buildings and industrial facilities; installation of electrical, mechanical, environmental and sanitary systems in buildings and industrial facilities
Trademark: 86853104
