WIIK Public Company Limited, together with its subsidiaries, engages in the manufacturing and distribution of pipes and related fitting products in Thailand. The company offers high density polyethylene pipes and fittings, including W-HQ pipes and fittings, W-HQ conduit pipes and fittings, W-EQ pipes, W-EP pipes, Weholite pipes and fittings, WehoManholes, and WehoTanks, as well as WIIK real-time data logger. It also provides low density polyethylene, polypropylene, polybutylene, and Weholite spiro pipes, as well as polypropylene pipes and fittings; polyvinyl chloride products, such as PVC pipes for water supply, PVC yellow conduit pipes and fittings, and white PVC pipes for conduits; and green PP-R pipes for plumbing cold/hot water. In addition, the company offers project services comprising butt fusion, hand extrusion, and electrofusion welding services, as well as site hydrostatic pressure test services; and testing analysis services, which include plastic material, thermoplastic pipe, drinking water HDPE pipe testing, and smooth external surface polyethylene structured-wall pipe for underground testing services. Further, it is involved in pipe installation services and water management; water production with ultra filtration and reverse osmosis systems; water distribution and supply system; and design construction and operation of water supply system. The company was formerly known as Wiik & Hoeglund Public Company Limited and changed its name to WIIK Public Company Limited in December 2019. WIIK Public Company Limited was founded in 1983 and is headquartered in Bangkok, Thailand.