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:
- Earthmoving contractors & plant hire
- Demolition & asbestos removal
- Marine civil breakwater services
- Quarry products
- Landscape supplies
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!

North Queensland leaders in Major Marine Breakwater construction
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.
Quality Products
Trusted Service
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.

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.

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.

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.

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!

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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