Ian Redfern

Yarra Valley Water Corp. provides water supply and sanitation services. It offers water supply, sewerage services, recycled water, water infrastructure and access permits. The company was founded on January 1, 1995 and is headquartered in Melbourne, Australia.

Australian Drilling Industry Association is an Australian private company located in Victoria. The firm operates as a drilling industry providing training, resources, conferences and seminars.

Australian Institute of Co. Directors is a non-profit organization that provides leadership on director issues. It offers governance education, director development, and advocacy. The organization was founded in January 1, 1990 and is headquartered in Sydney, Australia.

Zinfra Pty Ltd. provides engineering, operations, maintenance, and construction services. It offers asset and project management, engineering design, construction, civil works, maintenance, and asset operations services. The company is headquartered in Melbourne, Australia.

Jemena Ltd. provides infrastructure management and development services. It also provides gas, electricity and water services. The company is headquartered in Melbourne, Australia.

Part of Seam Surveys Pty Ltd., LW Survey Australia Pty Ltd. provides spatial services. The company is based in Brisbane, Australia. The Australian company was founded in 2015. LW Survey Australia was acquired by Seam Surveys Pty Ltd. on October 04, 2023.

OSD Pty Ltd. provides engineering services. It offers WIMMERA Mallee Pipeline, MCARTHUR River Pipeline, TASMANUAN Gas Pipeline O&M, FIRST Gas Operator venture, FAIRYMEADOW Road Irrigation, BP Refinery Capital Works, NITRIC Acid Upgrade, BRWOSE Lng and WEST Kimberley Power projects. The firm offers its services to oil & gas, mining & minerals, renewables, chemical processing, bulk liquid storage, water, papua new guinea and operations & maintenance industries. The company was founded by Brian O'Sullivan in 1992 and is headquartered in Milton, Australia.

McConnell Dowell Corp. Ltd. provides engineering and contracting services. The company operates throughout Australia, Asia, New Zealand, the Pacific Islands and the Middle East. It delivers civil, marine, tunnel, pipeline, HDD, mechanical & electrical engineering and construction solutions to a geographically diverse selection of clients. The company was founded in 1960 by Malcolm McConnell and Jim Dowell and is headquartered in Burwood East, Australia.