Siritaj Rojanapruk

Com-Link Co. Ltd. provides telecommunication services. The private company is based in Bangkok, Thailand. Siritaj Rojanapruk has been the CEO of the Thai company since 1991.

Prida Pramote Co. Ltd. provides investment services. The private company is based in Bangkok, Thailand. Sakorn Suksriwong has been the CEO of the Thai company since 1997.

PPTC Co. Ltd. engages in the production and distribution of electricity. The company operates cogeneration small power producer with the maximum electricity production capacity of 120 MW and steam production capacity of 30 tons per hour. The firm's plant is located in Lat Krabang Bangkok industrial estates. PPTC was founded on September 4, 2009 and is headquartered in Bangkok, Thailand

Excellink Co., Ltd. is an electronic systems company based in Bangkok, Thailand. The Thai company offers a range of electronic systems, including an electronic correspondence system that can be developed on the cloud server, an electronic civil service system, and a business management tool management system. The private company also specializes in the development of documents and data storage management systems. Excellink Co. has been trusted by over 200 leading organizations for more than 20 years. The company's clients include government agencies, state enterprises, private agencies, educational institutions, financial institutions, and hospitals. The company aims to strengthen the work experience that is convenient and fast, while promoting the use of resources to maximize benefits.

Boon Anek Co., Ltd. is engaged in properties rental and agriculture business. The company was founded on August 4, 2004 and is headquartered in Bangkok, Thailand.