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Construction & Engineering

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Decmil specialises in providing a diversified range of engineering, construction and design services to the resources, oil & gas, infrastructure and government sectors in Australia and overseas. We are renowned in the marketplace for delivering high quality results that are cost effective and delivered on time.

Non-Process Infrastructure

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Decmil has successfully delivered large-scale construction projects to the oil & gas, resources and government infrastructure sectors.

Civil Infrastructure

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Decmil has significant experience in major civil infrastructure works

Fuel Infrastructure

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Decmil's engineering experience delivers a wide range of complex fuel infrastructure projects

Electrical, Instrumentation & Controls

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Decmil is a licensed electrical contractor who provides comprehensive turnkey electrical, instrumentation and automation solutions to clients primarily within the oil, gas and industrial sectors.

Process Infrastructure

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Decmil has the ability to provide fully integrated services including civil works, fabrication, SMP, Electrical & Instrumentation (E&I) and maintenance works.

Buildings & Facilities

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Decmil has the capacity and capability to deliver building projects across Australia, New Zealand, Papua New Guinea and the Pacific, from metropolitan and regional works to remote and island locations.

Facilities Maintenance

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Specialist and general maintenance contracting has been a central service of Decmil’s operations since the company’s inception.


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Decmil has capabilities in structural, mechanical, piping, electrical & instrumentation, offering the resources and skills to execute a wide range of projects.

Community and Social Infrastructure

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Decmil design and build a wide variety of community and social infrastructure including civic centres, libraries, clubs, training and education facilities, cinemas, gyms, sporting facilities and affordable housing solutions.

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