Leaders in Infrastructure and Industrial Services

We proudly stand as the forefront leaders in Infrastructure and Industrial Services in New Zealand, operating as a locally owned and managed Kiwi business with over four decades of experience.

With a focus on quality and efficiency, we offer tailored solutions to meet your infrastructure and industrial needs. We provide everything from liquid waste management, passive fireproofing, pipeline inspection and expert pipeline repair, efficient drainage maintenance, pavement sweeping, road sweeping and pond cleaning.

Explore our range of services to discover how we can meet your infrastructure and industrial needs with precision and expertise.

For over 40 years, InterGroup has been providing industrial services for businesses like yours. As a one-stop-shop for all your industrial needs, our specialised industrial services cover catalyst handling, chemical cleaning, confined space entry, gasline pigging, and concrete removal. With expertise in high-pressure water jetting and robotic cleaning tailored for the oil and gas industry, we ensure precision and efficiency. Trust us for seamless shutdown services, responsible sludge management, and expert tank maintenance. 

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Since the beginning, InterGroup has been recognised as one of New Zealand’s Infrastructure Service Specialists, which remains part of the company’s core business today. Our offerings include hydro excavation, hydro vac, and air excavation for precision in non-destructive digging. We also provide city cleaning infrastructure services including litter bin cleaning, cesspit cleaning, street cleaning, cobblestone cleaning, pond cleaning, road sweeping and sludge management ensure pristine urban environments. 

Our expertise also extends to drainage maintenance, drain cleaning and advanced pipeline CCTV and inspection to remove wastewater, stormwater, sludge and waste from drainage systems.

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InterGroup’s environmental services involve everything to do with responsible waste management – solid or liquid. As experts in the subject, we are proud of being environmentally aware in our everyday activities and of our positive contribution towards reducing our environmental footprint. 

We specialise in bulk hazardous waste disposal, and our services extend to the management of include grease trap waste, organic pesticides, interceptor waste, soil waste, liquid waste, stormwater waste and food waste. With expertise in hydro excavation waste management, we also provide efficient and precise non-destructive digging. 

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Smooth operator, smooth service, smooth finish – these are the three main aspects that define InterGroup’s coating services. Our expert team provides blast and paint services, ensuring optimal surface preparation and coating application for buildings, marine vessels, tanks and structures.

We excel in passive fireproofing, fabric maintenance, bridge maintenance, abrasive blasting and high-pressure water jetting, while our corrosion assessment services provide a comprehensive understanding of your structures. Count on us for expert application of intumescent coatings on any structures including bridges.

Our marine maintenance services cover ship cleaning, tank maintenance, and a full range of painting services.

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Health and Safety
Quality & Environment

Our company prioritizes health and safety, investing in a large support team, including four Safety and Environmental Business Partners. We hold ISO certifications 14001, 9001, and 45001, and employ a Training and Competency Assessor  Learn More →

Latest updates

Marsden Point Robotic Tank Cleaning

Marsden Point Manual Tank Clean with Channel Infrastructure The Project  In June 2022, InterGroup was appointed by Channel Infrastructure (formerly Refining NZ) to provide manual tank cleaning services. This formed part of the decommissioning stage of the transition from a refinery to a terminal storage facility, with some tanks earmarked for a change in product [...]

Revitalisation of Auckland’s CAB

Revitalising Auckland's Civic Administration Building Lead Primer Removal and Intumescent Coating This project aimed to reinvent Auckland’s iconic Civic Administration Building from a stalwart of local government to a vibrant mixed-use development in the heart of the central business district - the cornerstone of the Civic Quarter development. By renovating the building whose original use [...]

Drone Technology with LiDAR Provides Emergency Assistance

Drone Technology with LiDAR Provides Emergency AssistanceThe Project: A critical situation arose in a large city centre, when a section of the main sewer line collapsed causing a burst pipe and a 13m sinkhole. With the collapsed sewer servicing large parts of the highly populated city, urgent investigation and resolution was required and InterGroup approached [...]

Careers with InterGroup

InterGroup, 40 years young, is growing and changing all the time. This means we’re always on the lookout for talented, enthusiastic people with a can-do attitude. Does that sound like you? With a reputation for innovation and rewarding talent, we may be what you’ve been looking for. Explore now →

0800 468 379
Mailing Address
PO Box 58087, Botany
Auckland 2163