TBK & Sons Holdings Limited is an investment holding company that provides civil and structural works for the oil and gas industry in Malaysia and the People's Republic of China. It operates through segments including site preparation, civil works, building works, construction and renovation, and trading of oil and related products. Its services cover earthwork, demolition, temporary facilities, infrastructure construction, reinforced concrete foundations, pipe supports, drainage networks, paving, and plant civil maintenance. Incorporated in 1975, the company is based in Port Dickson, Malaysia, and is a subsidiary of TBK & Sons International Limited.