DGI is a global leader in GRP and fibreglass construction, delivering fabrication, installation and maintenance solutions across Australia and internationally.

Established in 1995, DGI has built a reputation for quality workmanship, safety compliance and technical expertise across mining, infrastructure and industrial sectors. With over 20 years of experience, we provide services ranging from targeted installations to fully managed turnkey project solutions.

Based in Western Australia, our fabrication workshop supports large-scale resource and processing projects locally and globally.

Core Services

• GRP, HDPE, MSCL, stainless steel and Duplex piping installation
• Tank manufacture, relining and on-site fabrication
• Composite equipment fabrication and pipe spooling
• Hydrostatic, pneumatic and leak testing
• Shutdown maintenance and remedial repairs
• Mechanical installations and commissioning support
• Skilled labour hire and complete pipe system supply

DGI has delivered projects across chemical storage, mineral processing, desalination and wastewater facilities, as well as mine sites worldwide. We remain committed to quality, safety and long-term client partnerships.

DEREK GEE INSTALLATIONS PTY LTD

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