Dhanes Charoensupaya

PTTGC Innovation America Corp. engages in the production of bio-based chemical products. Its products include bio-succinic acid, bio-butanediol, and bio-acrylic acid. The company was founded by Stephen J. Gatto in 2004 and is headquartered in Woburn, MA.

Vinythai Public Co., Ltd. engages in the manufacture and distribution of petrochemical products. It operates through the Vinyl and Biochemical segments. The company was founded on December 27, 1988 and is headquartered in Bangkok, Thailand.

PTT Chemical Public Co. Ltd. is engaged in the production and distribution of Ethylene, Propylene and Polyethylene. The company's by products are Mixed C4, Pyrolysis gasoline, Cracker bottom and tail gas. PTT Chemical is also involved with the production and distribution of electricity, water, stream, and other utilities. It operates production support facilities such as jetty and buffer tank farm services for liquid chemical, oil and gas. The company was founded December 7, 2005 and is headquartered in Bangkok, Thailand

Thai Tank Terminal Ltd. provides liquid bulk terminal services to the petrochemical industry. The company was founded on March 27, 1992 and is headquartered in Rayong, Thailand.

Part of PTT Global Chemical Plc, PTT Phenol Co., Ltd. produces and distributes phenol and acetone. The company is based in Bangkok, Thailand. PTT Phenol Co. was acquired by PTT Global Chemical Plc on May 02, 2013 for $171 million.

Part of Thai Oil Public Co. Ltd., PTT Utility Co. Ltd. is a company that generates and supplies electricity. The company is based in Bangkok, Thailand. PTT Utility Co. was acquired by Independent Power Thailand Co. Ltd. from PTT Public Co., Ltd. on January 10, 2013.

GC Marketing Solutions Co. Ltd. engages in the sales and marketing of polymers. Its products include high density polyethylene, low density polyethylene and linear low density polyethylene, polypropylene and polystyrene. The company was founded in June 2005 and is headquartered in Bangkok, Thailand.

Part of PTT Global Chemical Plc, TOC Glycol Co. Ltd. is a Thai company that manufactures and supplies ethylene and oxide ethylene glycol. The company is based in Bangkok, Thailand.