Safe, compliant waste disposal and treatment
Specialist waste solutions for a safer, cleaner environment
From industrial liquids to construction by-products, we handle the collection, treatment and disposal of a wide range of hazardous and non-hazardous waste streams – supporting environmental protection and regulatory compliance across New Zealand.
With a range of processing facilities nationwide, a large fleet of vacuum and bulk liquid trucks and significant in-house expertise in hazardous waste management, InterGroup provides complete, traceable waste solutions from source to final disposal or reuse.
Whether it’s grease traps, PFAS-contaminated sludge or hydro excavation spoil, we help our clients deal with their waste – minimising volume to landfill, reducing environmental risk and achieving measurable sustainability outcomes – while ensuring full compliance with local and national regulations.
Explore our waste disposal services:
How we’ve been working with infrastructure providers across New Zealand

Specialist Tank Cleaning and Waste Disposal for Halliburton, Broome WA
Specialist Tank Cleaning and Waste Disposal for Halliburton, Broome WA
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Marsden Point Manual Tank Clean with Channel Infrastructure