PTT Global Chemical Plc engages in the production and distribution of ethylene, propylene polyethylene, and biochemical products. The company is headquartered in Bangkok, Bangkok Metropolis and currently employs 10,066 full-time employees. The company went IPO on 2011-10-21. The firm operates through six segments: Upstream (including Refinery, Aromatics and Olefins), Intermediates (including EO-Based Performance, Phenol and others), Polymers and Chemicals, Bio and Circularity, Performance Chemicals, and lastly Service and Others. The company is primarily engaged in the refining and provision of integrated petroleum products, the production and distribution of aromatic products, including aromatic derivatives, and the production and distribution of ethylene, propylene, polyethylene plastic pellets and biochemical products. Its by-products are mixed C4, cracker bottom and tail gas. The company is also engaged in the production and distribution of electricity, water, steam and other utilities. In addition, the Company also operates production support facilities such as jetty and buffer tank farm services for liquid chemical, oil and gas.