Tamonwan Narinthavanich

Master & More Co., Ltd. is engaged in media business. It provides production and services of outdoor advertising media. The company was founded on September 9, 1996 and is headquartered in Bangkok, Thailand.

Inkjet Images (Thailand) Co. Ltd. produces and prints advertising displays and images. The private company is based in Bangkok, Thailand.

Roctec Technology Ltd. provides system integration services. Its services include system integration – design and project implementation, IT infrastructure engineering consultation, software development & hardware production. The company was founded in 1987 and is headquartered in Hong Kong.

Green Ad Co., Ltd. engages in the provision of outdoor advertising services. It offers advertisement services through the supply of Tree wall panel, both internal and external housing. The company was founded on November 5, 2011 and is headquartered in Bangkok, Thailand.

Part of Rocktech Global Public Co. Ltd., Open Play Co. Ltd. is a Thai company that provides outdoor advertising services. The company is located in Thailand. Open Play Co. was acquired by Master & More Co., Ltd. on December 31, 2014 for $0.001228 million.

Trans.Ad Solutions Co., Ltd. engages in the design and installation of multimedia display systems. Its multimedia display systems include LED displays, content control and media management systems. The firm installs a connection system for commanding and storing data via the internet and CCTV, including designing and creating a mobile application for indoor navigation and Bluetooth transmitter system for advertising. The company was founded in 2004 and is headquartered in Chatuchak, Thailand.

Part of Rocktech Global Public Co. Ltd., Gold Star Group Co. Ltd. is a Thai company that engages in the design, production, and hiring for production of printing media or advertising media. The company is based in Bangkok, Thailand. Gold Star Group Co. was acquired by Green Ad Co., Ltd. from Proud Co. Ltd. on December 15, 2018 for $7.34 million.