Tin Teng Lim

CPA Australia Ltd. is an Australian company that has been operating since 1954 and provides education, training, technical support, and advocacy services in the accounting profession. The private company is based in Southbank, Australia and has subsidiaries in Hong Kong. The company engages with governments, regulators, and industries to advocate for policies that stimulate sustainable economic growth. With over 166,000 members working in 100 countries and regions, CPA Australia is one of the world's largest accounting bodies. It was founded in 1886 by Andrew Lyell, Arthur Cleveland, Benjamin Doughty Smith, Thomas Brentnall, John McAlister Howden, Charles Morell Holmes, William Crellin, and Edward Langton. Andrew Paul Hunter has been the CEO of the company since 2018.

Singapore Oxygen Engineering Pte Ltd. provides engineering services. The private company is based in Singapore, Singapore.

SIG Gases Bhd. is an investment holding company, which engages in the provision of industrial gas solutions and services. It operates through the following segments: Manufacturing; Refilling and Distribution; Services; and Other Products and Services. The Manufacturing segment includes oxygen, nitrogen, acetylene, gas mixture, fuming gas, hydrogen gas, and nitrous oxide. The Refilling and Distribution segment comprises of argon, carbon dioxide, refrigerants, specialty gases, and chemical. The Other Products & Services segment provides cylinder rental, maintenance, and sales; delivery services; purging project; and welding products. The company was founded by Peh Lam Hoh on March 20, 1996 and is headquartered in Johor Bahru, Malaysia.