Luminex Plc provides services in the fields of telecommunication, electrical, water, sewerage, and civil construction in Sri Lanka. It engages in the planning, design, and development of underground and overhead optical fiber cable networks; design and development of FTTx networks; provision of new customers connections with voice, broadband and IPTV features; optical fiber network maintenance; and supply and installation of telecommunication equipment. The company is also involved in the providing electrical services, such as industrial and commercial wiring for large factories and high-rise buildings; installation of transformers and switchgear systems; laying of power distribution cables; design and building of turnkey projects for medium and large-scale electrical installations and power distribution systems; installation of lightning protection systems; and building automation and control systems. In addition, it offers water and sewerage services that includes construction for ferro-cement tanks, ground reservoirs, elevated tanks, sludge drying beds, pump houses, intakes, etc.; laying of HDPE, DI, and uPVC pipes in water and sewerage transmission and distribution networks; supply and installation of M and E equipment for water supply and sewerage projects; construction and commissioning of water and sewerage treatment of package plants; and rehabilitation and improvement in water treatment plants. Additionally, it provides building constructions, re-construction, renovation, and bridge construction services. Further, the company manufactures, sells, assembles, maintains, repairs, services, wholesales, imports, exports, hires, rents, leases, and retails electrical, electronic, and telecommunication equipment; and engages in the construction of telecommunication outside plants. The company was incorporated in 1986 and is based in Moratuwa, Sri Lanka.