Power Line Engineering Public Company Limited, together with its subsidiaries, engages in civil construction, real estate, and system installation of electrical, air condition, sanitary, and fire protection in Thailand. The company provides infrastructure services; road work services; water treatment, factory, and power plant services; and building construction services. It also offers installation of communication, ICT, and security systems; ventilation systems; and plumbing systems. In addition, the company is involved in property development activities. Power Line Engineering Public Company Limited was incorporated in 1988 and is based in Bangkok, Thailand.