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 undertaking of various water supply engineering, instrumentation engineering, and refrigeration and air conditioning engineering; installation of clean rooms and related transactions; manufacturing of supplies; designing and installation of traffic control systems; and factory computer monitoring systems. It also offers traffic surveillance and control system engineering building services; and technical advisory services for planning and designing projects. In addition, the company provides 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 projects, 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.