Sanki Engineering Co., Ltd. is a Japan-based comprehensive engineering company specializing in facility construction and plant systems. The company provides planning, design, installation, and maintenance services for heating, ventilation, air conditioning systems, plumbing, electrical systems, and smart building solutions across office buildings, schools, hospitals, shopping centers, and industrial facilities. Its Plants & Machinery Systems Business division supplies material handling equipment, conveyance systems, transportation solutions, and environmental systems including water treatment and waste management facilities. Sanki Engineering serves both private-sector companies and government entities, offering integrated facility solutions throughout a building's lifecycle. The company is particularly recognized for its expertise in industrial HVAC systems, including clean room technology for semiconductor manufacturing and pharmaceutical production. With operations spanning multiple business segments and a reputation built over a century of engineering excellence, Sanki Engineering positions itself as a leading provider of one-stop facility engineering solutions in Japan and operates as a listed company on the Tokyo Stock Exchange Prime Market.