J.R.W. Utility Public Company Limited engages in the design, procurement, construction, and installation of electrical power and telecommunication, and information technology systems in Thailand. It operates through two segments, Sales of Electronics Equipment and Contract Services. The company is involved in construction of high voltage transmission line systems; high voltage substation construction and equipment installation; construction for changing the power lines to the underground systems; and infrastructure system planning, core network system, installing the software systems and applications, and laying out other equipment. It also maintains, repairs, and sells electrical equipment, and telecommunication and information technology systems. In addition, the company engages in the contractor, consultation, inspection, trading and distribution, installation, and repair of tools, equipment, and materials related to electricity, civil, mechanical, electronic, and security equipment and various telecommunications systems. J.R.W. Utility Public Company Limited was incorporated in 1993 and is based in Bangkok, Thailand.