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 in two segments, Sales of Electronics Equipment and Contract Services. The company is involved in high voltage transmission line system construction; substations and equipment in substations construction and installation; construction work to change overhead power lines to underground power lines; and infrastructure system planning, core network system, software and application system construction, and system implementation of other equipment. It also offers repairing and maintaining electrical equipment, and corrective and preventive maintenance services; and equipment related to electrical systems and telecommunications systems, as well as information technology. In addition, the company engages in the contractor, consultation, installation, repair, inspection, trading, and distribution of tools, equipment, and materials relating to electricity, civil, mechanical, electronic, and security equipment. The company was incorporated in 1993 and is based in Bangkok, Thailand.