Hamish Tyrwhitt

The Leighton Group, Inc. provides geo-technical and environmental services. The firm serves commercial, industrial, education, public buildings and transportation sectors. The company was founded in 1979 and is headquartered at Irvine, CA.

Forum Mondial de L'Economie engages in the foremost political, business and cultural organizations to shape global, regional and industry agendas. The company was founded by Klaus Schwab in 1971 and is headquartered in Cologny, Switzerland.

The Institution of Engineers Australia is the peak body for the engineering profession in Australia, with approximately 112,000 members. The non-profit company is based in Australia, and Stephen Durkin has been the CEO of the company since 2012. The Australian company's work and strategic priorities are focused on promoting and advancing the engineering profession. The company offers migration skills assessment services for a fee, as well as additional paid services. Engineers Australia also provides information about Graduate membership.

The Hong Kong Institution of Engineers operates as a professional membership organization. The non-profit company is based in Hong Kong, Hong Kong. The CEO of the Chinese company is Wing Hang Sit.

Part of ACS Actividades de Construcción y Servicios SA, Leighton Contractors (Asia) Ltd. provides tunnel, rail and road construction services. The company is based in Hong Kong, Hong Kong.

Leighton Asia Ltd. provides engineering and construction services. It offers building design and construction services for commercial, residential, recreational, industrial, healthcare, government and educational sectors. The company was founded in 1975 and is headquartered in Hong Kong.

Leighton Contractors Malaysia Sdn. Bhd. provides construction services. The company s headquartered in Kuala Lumpur, Malaysia.

Part of PT Berau Coal Energy, PT Berau Coal is a company that provides mining and extraction of coal. The company is based in Berau, Indonesia. The CEO of the Indonesian company is Fuganto Widjaja.

Habtoor Leighton Group offers engineering and infrastructure services that include design, development, construction, and operation and maintenance; with a strong emphasis on transport-related projects. It provides hotel developments, commercial and retail developments, residential developments, hospitals and healthcare facilities, education and cultural developments, industrial facilities, sports facilities and government buildings. The company was founded in 2007 and is headquartered in Dubai, the United Arab Emirates.