Dale Elphinstone

National Hire Group Ltd. engages in equipment sales and support businesses. The firm assembles, sells, supports mobile lighting, power generation equipment and distributes Perkins engines. The company was founded in 1981 and is headquartered in Stirling, Australia.

Elph Pty Ltd. operates as a dealer of construction and mining equipment. The company was founded in 1995 and is headquartered in Burnie, Australia.

Queensland Gas Co. Pty Ltd. explores, mines and sells oil and gas. Its coal seam gas deposits in the Walloon Coal Measures of the Surat Basin in southern Queensland. The company is headquartered in Brisbane, Australia.

Elphinstone Group Pty Ltd, through its subsidiary Elphinstone Mechanical, provides maintenance and support services to the mining and construction sectors in Australia. The private company is based in Pinjarra, Australia. The Australian company's services include heavy equipment maintenance, site services, turnkey services, and skilled staff provision for shutdowns or scheduled maintenance. The company places a strong emphasis on safety and well-being of its employees, contractors, and stakeholders. Elphinstone Mechanical is a West Australian owned and operated company that has been an industry leader in heavy equipment maintenance and support for over 15 years. The company was founded by Dale Brendon Elphinstone.

Exergen Pty Ltd. engages in the development and commercialization of clean coal technology. Its technology is known as the Continuous Hydrothermal De-watering (CHTD) of brown coal (lignites) and high moisture subbituminous coal. The company was founded by Peter Tait and Don Nicklin and is headquartered in Milton, Australia.

Part of Caterpillar, Inc., Caterpillar Underground Mining Pty Ltd. is a manufacturer of underground mining loaders and trucks. The private company is based in South Burnie, Australia. The CEO of the Australian company is Vincent de Santis. Caterpillar Underground Mining was acquired by Caterpillar, Inc. from Dale Elphinstone on July 03, 2000.