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 segment and Installation service segment. The distribution segment operates as a distributor of electrical wires and other types of electrical systems equipment, as well as passive fire protection materials. Installation service segment is engaged in design and installation of communication system and fire protection systems and maintenance services. It derives the majority of the revenue from the distribution of electrical equipment.