Locally Owned & Established 1970's

Earthmoving & Quarry Supplies in Mackay

CJD Civil Contractors

Earthmoving, Marine Revetment Work, Demolition & Quarrying

Quarry Products & Earthmoving

Operating since the 1970's, CJD Investments has been providing clients in Mackay and surrounds with quality earthmoving, construction and mining works. We take great pride in our standard of work, offering our clients an array of services and products, which include:



From excavators to loaders, skid steers and tipper trucks, we’re able to provide wet and dry hire for projects of all sizes. Give us a call today to request a quote!

Asphalt Path on a Rock Wall — CJD Investments (NQ) Pty Ltd in Mackay Harbour, QLD

North Queensland leaders in Major Marine Breakwater construction

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Licensed & Qualified Team

Our dedicated team are fully licensed and trained in an array of services. With more than 50 years of industry experience, we are the leaders in breakwater and seawall construction, providing unique interlocking methods using armour rocks that weigh up to 50 tonnes. 


We don’t just service commercial and industrial clients, our quarry storage also has a large range of landscaping supplies such as sand, mulch and soil – perfect for any home garden. For more information on the type of work we do, visit our projects page or give us a call today.

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Quality Products

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Trusted Service

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Locally Owned

Earthmoving Contractors

We can assist in the construction of residential properties, car parks, roadworks and much more. Choose from wet or dry hire with an array of machinery to suit all types of construction projects.

Person in Protective Suit and Mask Standing Near a Ladder — CJD Investments (NQ) Pty Ltd in Mackay Harbour, QLD

Demolition & Asbestos Removal

Asbestos removal must be conducted by licensed removalists who can get the job done safely and quickly. Don’t put your health at risk. Get in touch with CJD Investments for experienced asbestos removal.

Large Rocks Forming a Breakwater on a Coastline — CJD Investments (NQ) Pty Ltd in Mackay Harbour, QLD

Marine Civil Breakwater Contractors

We are experts in constructing breakwater and seawalls that can withstand nature’s natural forces. Using tried and tested interlocking methods and industrial machinery, we can tackle projects of all sizes.

Two Yellow Excavators Working on a Rocky Embankment Near Water — CJD Investments (NQ) Pty Ltd in Mackay Harbour, QLD

Quarry Products

We also manage Mt Bassett Quarry in Mackay, supplying high-quality aggregates, road base, crusher dust and various rocks suitable for all types of construction. All products are Main Roads approved and available at wholesale prices.

Stone Path Winding Through a Garden With Green Grass — CJD Investments (NQ) Pty Ltd in Mackay Harbour, QLD

Landscape Supplies

Find a comprehensive range of landscaping supplies including sand, topsoil, builders mixes, decorative pebbles and more. Transform your property and make your home the envy of the neighbourhood!

A Water Truck Sprays a Wet Road Near a Coast on a Sunny Day — CJD Investments (NQ) Pty Ltd in Mackay Harbour, QLD

Projects

With more than 50 years of industry experience, we have worked on various large-scale commercial and industrial projects. Browse through our projects page to see what we have done for past clients.

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