Sook Fun Thum

Oilfield Workforce Group Ltd. is an investment holding company, which engages in the provision of skilled contract labour and value added services to the oil and gas industry. It operates through the following geographical segments: Australia, Singapore, China, Bangladesh, Vietnam, Malaysia, Indonesia, Nigeria, Dubai, Philippines, United States of America, Thailand, and Myanmar. The company was founded by Choo Gim Ann in 2009 and is headquartered in Singapore.

Jack-In Group Ltd. is an investment holding company, which engages in the provision of piling contract services in Malaysia through its subsidiaries. It operates through the following geographical segments: Malaysia, Singapore, and Australia. The company was founded by H'ng Bok Chuan and H'ng Hup Choong in 2008 and is headquartered in Singapore.