OKA CORPORATION BHD.200001017334 (519941-H) Subsidiary Companies: OKA Concrete Industries Sdn. Bhd. 198101001525 (67634-M) OKA Engineering and Trading Sdn. Bhd. 199501000723 (329917-W) OKA Readymixed Concrete Sdn. Bhd. 199501000786 (329980-T) Real Charisma Sdn. Bhd. 199701027160 (442658-D) Pembinaan Cahaya Emas Sdn. Bhd. 200201033557 (601222-W) OKA Steel Sdn. Bhd. 201601034605 (1205546-U)