J.R.W. Utility Public Company Limited designs, procures, constructs, and installs electrical power, telecommunication, and information technology systems in Thailand. It operates in two segments: Contract Services and Sales of Electronics Equipment. The company builds high-voltage transmission lines and substations, converts overhead power lines to underground, and provides infrastructure planning, core network setup, software and application design, and equipment services. It also offers repair and maintenance for electrical, telecommunication, and IT systems, and engages in contracting, consulting, installation, inspection, trading, and distribution of related tools, equipment, and materials. Incorporated in 1993, it is based in Bangkok, Thailand.