Power Line Engineering Public Company Limited is a Thailand-based company engaged in the engineering and construction services. Its main activities involve design, procurement and installation of complete systems for both government and private sectors. The Company operates four principal business segments, which are installation and constructions, real estate development, electricity generation and distribution, and rental business. The Company offers various engineering services, including civil construction, electrical systems, air conditioning systems, sanitary, plumbing and fire protection systems, and telecommunication systems. The Company is also involved in the bio-mass power plant and property development projects. Its subsidiaries include PLE International Company Limited, SAPS 2007 Holding Company Limited, Sitharom Development Company Limited, Bumrung Muang Plaza Company Limited, Power Prospect Company Limited and Techner Company Limited.