Thai Oil Public Co. Ltd. is engages in the production of petroleum products for domestic distribution. The company is headquartered in Bangkok, Bangkok Metropolis and currently employs 484 full-time employees. The company went IPO on 2004-10-26. The firm is engaged in oil refinery and distributions, petrochemicals, lube base oil and other businesses domestically and overseas. The Company’s segments include Oil refinery, Lube base oil refinery, Aromatics and LAB, Power generation, Solvent, Ethanol, Olefins and Others. The company is also involved in oil refinery, petrochemicals-aromatics and lube base oil with supporting businesses, including power generation, solvents and chemicals, pipeline transportation, renewable-energy generation, and the olefins business. Its subsidiaries include Thai Paraxylene Co.,Ltd., LABIX Co.,Ltd., ThaiLube Base Plc, TOP SPP Co., Ltd., Thaioil Solvent Co., Ltd., TOPNEXT International Co., Ltd., Sak Chaisidhi Co., Ltd., TOP Solvent (Vietnam) LLC, PT Tirta Surya Raya, JSKem Pte., Ltd., TOPNEXT India Private Limited and others. Thai Paraxylene Co., Ltd. is engaged in paraxylene manufacturing and distribution.