OKA Corporation Bhd, an investment holding company, is engaged in the manufacture and sale of pre-cast concrete products and readymixed concrete in Malaysia. It also provides construction and related services, and transportation and other related services. The company's products include concrete porous pipes, pre-cast concrete piles, reinforced U shape drain, pre-cast R. C. box culvert, R.C. and pre-stressed concrete piles, reinforced concrete manholes, arch culverts, channels, fencing posts, filter slabs, gross pollutant traps, jacking pipes, manholes with hdpe lining, meter boxes, l-shape retaining walls, parapet panels, and precast jetties. Its products are used in the drainage, sewerage, buildings, and water related infrastructure works. The company was founded in 1981 and is headquartered in Ipoh, Malaysia.