Communication and System Solution PCL is a Thailand based company engaged in the distribution and installation of equipment production for electricity, water, air conditioning, and telecommunication systems. It operates in two segments the Distribution electrical equipment segment and the Installation service segment. The Distribution electrical equipment segment operates as a distributor of electrical wires and other types of electrical systems equipment, as well as passive fire protection materials. The installation service segment is engaged in the design and installation of the communication system and fire protection systems and maintenance services. It derives a majority of the revenue from the Distribution of electrical equipment.