Chalaluck Bunnag

Part of Furukawa Electric Co., Ltd., SIAM Furukawa Co., Ltd. is a Thai company that manufactures storage batteries. The company is based in Nongkhae, Thailand. SIAM Furukawa Co. was acquired by Furukawa Battery Co., Ltd. from The Siam Cement Public Co. Ltd. on November 19, 2001.

Part of Toyota Motor Corp., Siam Toyota Manufacturing Co. Ltd. is a Thai company that manufactures engines for cars. The company is based in Phan Thong, Thailand.

The Siam United Steel (1995) Co. Ltd. manufactures and distributes cold-rolled sheets. Its products are cold rolled sheet, galvanized iron substrate, and tin mill plate. The company was founded on July 27, 1995 and is headquartered in Rayong, Thailand.

Toyota Motor Thailand Co. Ltd. manufactures cars and trucks. Its models include sport rider SUV and the hilux one-ton truck, and also the camry, corolla, and soluna sedans. Its products are exported to Australia, Singapore, and Brunei. The company was founded on October 5, 1962 and is headquartered at Samut Prakan, Thailand.

Part of The Siam Cement Public Co. Ltd., Phoenix Pulp & Paper Public Co. Ltd. is a Thai company that manufactures pulp products. The company is based in Bangkok, Thailand. Surasak Amawat has been the CEO of the company since 2014.

Part of The Siam Cement Public Co. Ltd., Cementhai Holding Co., Ltd. is an investment holding company. The company is located in Thailand. Thammasak Sethaudom has been the CEO of the company since 2024.

Siam Sindhorn Co. Ltd. is a Thai company that provides real estate services. The private company is based in Bangkok, Thailand. and has subsidiaries in the Europe and Asia regions. Chalaluck Bunnag has been the CEO of the company since 2011.

Part of Compagnie Générale des Établissements Michelin SCA, Michelin Siam Group Co. Ltd. is a tire manufacturer based in Bangkok, Thailand. The Thai company has three factories for car tires and one factory for wire production, with over 6,700 employees. Michelin Siam Group Co. aims to make our journeys safer and smoother, and they are always by our side on every journey. The company is a trusted brand for car, motorcycle, and bicycle manufacturers, and their tires are known for their quality. Michelin Siam Group Co. was acquired by Compagnie Générale des Établissements Michelin SCA on January 16, 2015 for $70.20 million.