Company lists · Data refreshed September 2026

Top 22 Water utility infrastructure contractors based in New Zealand

RevenueBase identified 43 water utility infrastructure contractors headquartered in New Zealand as of September 2026 and tracks 1,927 professional contacts across them, including 919 with verified work emails. Auckland is the largest hub.

This list covers water utility infrastructure contractors headquartered in New Zealand, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review
43Companies
1,927Contacts tracked
919Verified emails
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The 22 largest water utility infrastructure contractors based in New Zealand

Ranked by team size
Top 22 of 43 water utility infrastructure contractors based in New Zealand, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to water utility infrastructure contractors: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceAuckland, New ZealandHQ checked Sep 19, 20261,001-5,0001,116 contacts →

Indirect evidence

“At Watercare we’re proud to provide a lifeline service to the people of Auckland, while protecting the environment for future generations.”

Source: RevenueBase Database · checked Sep 19, 2026
2Strong evidenceAuckland, New ZealandHQ checked Sep 19, 2026201-500209 contacts →

Strong evidence

“Humes is a leading manufacturer and supplier of systems for managing water and other utilities, primarily in urban environments and roading.”

Source: RevenueBase Database · checked Sep 19, 2026
3Partial evidenceChristchurch, New ZealandHQ checked Sep 19, 2026501-1,000103 contacts →

Partial evidence

“Citycare Water is New Zealand's most trusted three waters provider in New Zealand.”

Source: RevenueBase Database · checked Sep 19, 2026
4Indirect evidenceAuckland, New ZealandHQ checked Sep 19, 202651-20056 contacts →

Indirect evidence

“Pipeline and Civil are proven to provide innovative and technically sound solutions to complex projects involving critical assets; designed to mitigate risks while guarding a…”

Source: RevenueBase Database · checked Sep 19, 2026
5Indirect evidenceAuckland, New ZealandHQ checked Sep 19, 202651-20036 contacts →

Indirect evidence

“March Cato is an award winning, Auckland based, Civil Engineering construction company specialising in tunneling, open cut trenching, shaft construction and sheet piling for…”

Source: RevenueBase Database · checked Sep 19, 2026
6Partial evidenceHokitika, New ZealandHQ checked Sep 19, 202651-20021 contacts →

Partial evidence

“Westroads is owned by the Westland District Council and provides civil construction, utilities maintenance, roading maintenance and reserves maintenance from Greymouth to Haast on…”

Source: RevenueBase Database · checked Sep 19, 2026
7Indirect evidenceCambridge, New ZealandHQ checked Sep 19, 202651-20018 contacts →

Indirect evidence

“Civil construction firm Waipa Civil assists local councils and construction companies throughout the greater Waikato region and Bay of Plenty area.”

Source: RevenueBase Database · checked Sep 19, 2026
8Indirect evidenceRolleston, New ZealandHQ checked Sep 19, 202651-20013 contacts →

Indirect evidence

“Established in 2013 we have gone from strength to strength through the commitment of our people and the investment in our specialised plant and equipment, Focused on providing…”

Source: RevenueBase Database · checked Sep 19, 2026
9Strong evidenceAuckland, New ZealandHQ checked Sep 19, 20261-1012 contacts →

Strong evidence

Water utility companies often will invest in their infrastructure without a clear strategy.”

Source: RevenueBase Database · checked Sep 19, 2026
10Strong evidenceRuakaka, New ZealandHQ checked Sep 19, 202611-5012 contacts →

Strong evidence

“We’re proud to be a construction company delivering project management, engineering, and commissioning services for water and wastewater infrastructure.”

Source: RevenueBase Database · checked Sep 19, 2026
11Indirect evidenceAuckland, New ZealandHQ checked Sep 19, 202611-509 contacts →

Indirect evidence

“NorthWater specializes in watermain installation, Butt welding and Electrofusion welding, Pressure Testing, Ozone Pipeline Disinfection, Chlorination's, Pipeline Connections and…”

Source: RevenueBase Database · checked Sep 19, 2026
12Indirect evidenceWellington, New ZealandHQ checked Sep 19, 202611-507 contacts →

Indirect evidence

“GP Friel Ltd.”

Source: RevenueBase Database · checked Sep 19, 2026
13Indirect evidenceOrewa, New ZealandHQ checked Sep 19, 202651-2006 contacts →

Indirect evidence

“Hopper Construction is an established civil construction company located in Orewa, Auckland.”

Source: RevenueBase Database · checked Sep 19, 2026
14Strong evidenceNew Plymouth, New ZealandHQ checked Sep 19, 20261-104 contacts →

Strong evidence

“We assist in the design and construction management of above and below ground infrastructure; from buildings to land development, roading, and three waters networks.”

Source: RevenueBase Database · checked Sep 19, 2026
15Strong evidenceWainui, New ZealandHQ checked Sep 19, 202611-504 contacts →

Strong evidence

“Pipeline & Infrastructure (North) Ltd are an established Civil Engineering Contractor, specialising in the construction, repair, and rehabilitation of large diameter pipelines and…”

Source: RevenueBase Database · checked Sep 19, 2026
16Strong evidenceAuckland, New ZealandHQ checked Sep 19, 20261-104 contacts →

Strong evidence

“In 2021, frustrated by the inevitable delays and cost blow-outs in the development industry, we established ISNZ with the aim of improving the way new utility infrastructure is…”

Source: RevenueBase Database · checked Sep 19, 2026
17Partial evidenceTimaru, New ZealandHQ checked Sep 19, 202651-2003 contacts →

Partial evidence

“Apex Water promises guaranteed environmental performance and that makes us leaders in water & wastewater treatment.”

Source: RevenueBase Database · checked Sep 19, 2026
18Partial evidenceHenderson, New ZealandHQ checked Sep 19, 202611-503 contacts →

Partial evidence

“Pomco Services Ltd is a leading Water Reticulation construction and maintenance Company owned and operated by Chris Padden and Simon Hosking who between them have over 40 years of…”

Source: RevenueBase Database · checked Sep 19, 2026
19Indirect evidencePukekohe, New ZealandHQ checked Sep 19, 20261-103 contacts →

Indirect evidence

“Specialising in end-to-end wastewater management, we offer bespoke solutions that span from initial concept to fully commissioned plants.”

Source: RevenueBase Database · checked Sep 19, 2026
20Indirect evidenceNelson, New ZealandHQ checked Sep 19, 20261-103 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 19, 2026
21Partial evidenceTauhara, New ZealandHQ checked Sep 19, 202611-502 contacts →

Partial evidence

“E&J Contractors is a long-established Drainage and Contracting Company based in Taupo with projects throughout New Zealand.”

Source: RevenueBase Database · checked Sep 19, 2026
22Indirect evidenceRolleston, New ZealandHQ checked Sep 19, 20261-101 contacts →

Indirect evidence

“Drainage, Formation, Excavations”

Source: RevenueBase Database · checked Sep 19, 2026

Showing 22 of 43 water utility infrastructure contractors based in New Zealand

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Water utility infrastructure contractors based in New Zealand at a glance

As of Sep 19, 2026
47.7%Verified-email coverage
44.8Average contacts per company
11-50Median size (employees)
37.2%Largest-city concentration · Auckland
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
14
11-50
15
51-200
10
201-500
2
501-1,000
1
1,001-5,000
1

Email recency for this list is measured worldwide rather than for New Zealand, so it is reported there. Company counts and contact totals on this page are exact for New Zealand, over 43 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among water utility infrastructure contractors, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in New Zealand whose own description of what they do matches “water utility infrastructure contractors”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names water utility infrastructure contractors), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among water utility infrastructure contractors, and records with no verified work email. Companies headquartered outside New Zealand are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every listed company carries at least one verified work email, 919 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 19, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names water utility infrastructure contractors, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many water utility infrastructure contractors are there based in New Zealand?

RevenueBase identified 43 water utility infrastructure contractors headquartered in New Zealand as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Watercare Services Limited, headquartered in Auckland, tops this list with the largest team on record.

Which city has the most water utility infrastructure contractors?

Auckland leads with 16 headquartered companies, followed by Christchurch (3) and Wellington (3).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 919 verified decision-maker contacts tracked across these 43 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.