United Integrated Services Co., Ltd. provides engineering construction services in Taiwan, Mainland China, Singapore, the United states, and Japan. It operates through Engineering and Integration Department, Maintenance and Design Department, and Other segments. The company engages in the contracting of various running water, instrumental control, and refrigerating and air conditioning projects; installation of clean rooms and related transactions; manufacturing of supplies; designing and installation of engineering toll collection systems and related supply transactions; and installation and designing of controlling equipment in computer rooms. It also offers traffic surveillance and control system engineering building services; and technical advisory services for planning and designing of projects. In addition, the company provides factory computer control monitoring systems; engineering environment monitoring systems; and electrical and mechanical engineering contracts for transmission and distribution of electric power. Further, the company designs, installs, maintains, and trades in various equipment for computerized automatic engineering monitoring systems; and imports restrained telecom radio frequency equipment. Additionally, the company is involved in the contracting of computer and communication system integration project, as well as manufacturing and trading of related software and hardware. United Integrated Services Co., Ltd. was incorporated in 1982 and is headquartered in New Taipei City, Taiwan.