East Coast underground civil expertise backed by multi-depot support

AJMAC Projects is an underground civil contracting company based in Airlie Beach, Queensland, with additional depots on the Gold Coast and in South Sydney. We specialise in horizontal directional drilling, vacuum excavation, underground service locating, trenching and related underground infrastructure services. Our team supports Tier 1 civil contractors, utilities, infrastructure authorities and commercial civil projects across our service areas.

Start a conversation about your project

Reach out to us regarding your project location, scope and timing. For urgent HDD, NDD, trenching or underground civil enquiries, call our team directly.

Underground civil equipment for HDD, NDD and trenching

Our specialised underground civil fleet supports horizontal directional drilling, vacuum excavation, non-destructive digging and trenching across utility, infrastructure and civil projects.


✓ Horizontal directional drilling equipment

✓ Vacuum excavation and hydro vac equipment

✓ Walk-behind trencher

✓ 1.7-tonne excavator

✓ 6-tonne excavator

✓ 14-tonne excavator


We support major and short-term works

We work with Tier 1 civil contractors, rail authorities, energy and utility providers, telecommunications partners and commercial civil developers. Our multi-depot footprint across Airlie Beach, the Gold Coast and South Sydney allows us to support larger infrastructure programmes while also taking on suitable short-term works between major project milestones.

Our efficient services across varied sites

We take a practical, site-focused approach to underground civil work, ensuring careful planning, reliable delivery and adapting methods to project conditions. Our specialised equipment support efficient mobilisation across key East Coast regions.

Our East Coast operating footprint

Our primary base is Airlie Beach, supported by depots on the Gold Coast and in South Sydney and project coverage across Queensland, New South Wales and the ACT.