Company lists · Data refreshed November 2026
Top 25 Wastewater engineering contractors based in New Zealand
RevenueBase identified 68 company matches for wastewater engineering contractors associated with New Zealand as of November 2026 and tracks 831 professional contacts across them, including 344 with verified work emails. Auckland is the largest hub.
This list covers company matches for wastewater engineering contractors associated with New Zealand, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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.
The 25 largest wastewater engineering contractors based in New Zealand
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 221 contacts → | ||||
Exact match “Humes is a leading manufacturer and supplier of systems for managing water and other utilities, primarily in urban environments and roading.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 80 contacts → | ||||
Exact match “United Civil Construction is a leading NZ civil engineering construction company that delivers exceptional infrastructure projects nationally.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 57 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 46 contacts → | ||||
Exact match “Established in 2006, Lutra are a team of water and wastewater specialist solutions providers with a team of over 39 spread throughout New Zealand.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 27 contacts → | ||||
Exact match “Trusted, Innovative, Water Solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 20 contacts → | ||||
Exact match “Civil construction firm Waipa Civil assists local councils and construction companies throughout the greater Waikato region and Bay of Plenty area.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 18 contacts → | ||||
Exact match “We manufacture and design Water and Waste Water Solutions for the Urban, Rural and Commercial Market.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 16 contacts → | ||||
Exact match “For over 25 years, SiteCare has been a prominent national leader in providing a diverse range of environmental and industrial services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 14 contacts → | ||||
Exact match “SWE (Southern Water Engineering) is a leading Marlborough-based engineering company specialising in water engineering, electrical and automation solutions, and pumping technology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 14 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 14 contacts → | ||||
Exact match “We’re proud to be a construction company delivering project management, engineering, and commissioning services for water and wastewater infrastructure.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 13 contacts → | ||||
Exact match “Wastewater treatment, Community Pressure Sewers, Wastewater Design, Build & Operate.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 11 contacts → | ||||
Exact match “CST Group Ltd is family-owned company based in the Waikato that has been operating since the 1990’s.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 11 contacts → | ||||
Exact match “Ecoflow are NZ’s Pressure Sewer Experts – pressure sewer is all we do You’ll find we’re passionate about reducing the risk of wastewater entering New Zealand’s beaches and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 11 contacts → | ||||
Exact match “HAL Consulting Ltd (HAL) is a niche engineering consultancy that specialises in wastewater, stormwater and water supply network modelling and strategic planning, and data…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 11 contacts → | ||||
Exact match “Based in Tauranga, RZG Construction is a multi disciplinary construction company offering services to the infrastructure, commercial and residential, sectors.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 10 contacts → | ||||
Exact match “Mason Engineers (NZ) Limited is a company whose name has been synonymous with engineering in New Zealand for more than seventy years.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 9 contacts → | ||||
Exact match “Founded in 1938, Deeco Services Limited combines the best from tradition, experience and modern management.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 9 contacts → | ||||
Exact match “From helping local authorities manage their municipal water treatment systems through to providing bespoke solutions for meat, dairy, food processing, and industrial clients…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 9 contacts → | ||||
Exact match “Oasis Clearwater are a leading manufacturer of onsite wastewater treatment systems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 8 contacts → | ||||
Exact match “NorthWater specializes in watermain installation, Butt welding and Electrofusion welding, Pressure Testing, Ozone Pipeline Disinfection, Chlorination's, Pipeline Connections and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 7 contacts → | ||||
Exact match “GP Friel Ltd.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 7 contacts → | ||||
Exact match “Neuflow Projects are a team of project specialists encompassing innovative conceptual planning, investigations and feasibility studies, preliminary designs, detailed designs…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 6 contacts → | ||||
Exact match “Allflow has been serving the top of the South since the 1960s, including waste water services from 1977.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 5 contacts → | ||||
Exact match “We came from golden beginnings, being born from too much success and rapid growth.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “wastewater engineering contractors”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 68 wastewater engineering contractors based in New Zealand
See the full list, filter by size, metro and specialty, and access 344 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Wastewater engineering contractors based in New Zealand at a glance
As of Nov 6, 2026Companies by employee count
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 68 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with New Zealand whose business descriptions match “wastewater engineering contractors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- 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 displayed company carries at least one verified work email. RevenueBase tracks 344 professional contacts with verified work emails across the full matched dataset. 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 November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “wastewater engineering contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many wastewater engineering contractors are there based in New Zealand?
RevenueBase identified 68 company matches for wastewater engineering contractors associated with New Zealand as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
HUMES tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most wastewater engineering contractors?
Auckland leads with 14 company records, followed by Christchurch (6) and Cambridge (4).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 344 professional contacts with verified work emails tracked across these 68 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 68 wastewater engineering contractors based in New Zealand. Start with a free account, no credit card.
Download this list →Related lists
Wastewater engineering contractors by geography
- Wastewater engineering contractors based in Sydney, Australia
- Wastewater engineering contractors based in Belo Horizonte, Brazil
- Wastewater engineering contractors based in Sao Paulo, Brazil
- Wastewater engineering contractors based in Ahmedabad, India
- Wastewater engineering contractors based in Chennai, India
- Wastewater engineering contractors based in Mumbai, India
- Wastewater engineering contractors based in Pune, India
- Wastewater engineering contractors based in Riyadh, Saudi Arabia
- Wastewater engineering contractors based in Singapore, Singapore
- Wastewater engineering contractors based in Istanbul, Türkiye
- Wastewater engineering contractors based in Abu Dhabi, United Arab Emirates
- Wastewater engineering contractors based in Dubai, United Arab Emirates
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 SmartSearch, 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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Wastewater engineering contractors based in Sydney, Australia
- Wastewater engineering contractors based in Belo Horizonte, Brazil
- Wastewater engineering contractors based in Sao Paulo, Brazil
- Wastewater engineering contractors based in Ahmedabad, India
- Wastewater engineering contractors based in Chennai, India
- Wastewater engineering contractors based in Mumbai, India
Company intelligence · public preview
Top 25 wastewater engineering contractors based in New Zealand
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 68 matching company records for wastewater engineering contractors based in New Zealand, with 831 tracked contacts and 344 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 wastewater engineering contractors based in New Zealand
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  HUMEShumes.co.nzHQ: Auckland, New ZealandReported employees: 201-500 | Auckland, New Zealand | 201-500 | Exact match | 221 contacts → |
“Humes is a leading manufacturer and supplier of systems for managing water and other utilities, primarily in urban environments and roading.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  United Civil Construction Limitedunitedcivil.co.nzHQ: Whangarei, New ZealandReported employees: 51-200 | Whangarei, New Zealand | 51-200 | Exact match | 80 contacts → |
“United Civil Construction is a leading NZ civil engineering construction company that delivers exceptional infrastructure projects nationally.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Pipeline & Civil LTDpipelinecivil.co.nzHQ: Auckland, New ZealandReported employees: 51-200 | Auckland, New Zealand | 51-200 | Exact match | 57 contacts → |
“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…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  LUTRAlutra.comHQ: Lower Hutt, New ZealandReported employees: 11-50 | Lower Hutt, New Zealand | 11-50 | Exact match | 46 contacts → |
“Established in 2006, Lutra are a team of water and wastewater specialist solutions providers with a team of over 39 spread throughout New Zealand.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Watersmartwatersmart.co.nzHQ: Auckland, New ZealandReported employees: 11-50 | Auckland, New Zealand | 11-50 | Exact match | 27 contacts → |
“Trusted, Innovative, Water Solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Waipa Civil LTDwaipacivil.co.nzHQ: Cambridge, New ZealandReported employees: 51-200 | Cambridge, New Zealand | 51-200 | Exact match | 20 contacts → |
“Civil construction firm Waipa Civil assists local councils and construction companies throughout the greater Waikato region and Bay of Plenty area.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Devan Plastics Limiteddevan.co.nzHQ: Tauranga, New ZealandReported employees: 51-200 | Tauranga, New Zealand | 51-200 | Exact match | 18 contacts → |
“We manufacture and design Water and Waste Water Solutions for the Urban, Rural and Commercial Market.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Sitecaresitecare.co.nzHQ: Taupo, New ZealandReported employees: 51-200 | Taupo, New Zealand | 51-200 | Exact match | 16 contacts → |
“For over 25 years, SiteCare has been a prominent national leader in providing a diverse range of environmental and industrial services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  SWE Southern Water Engineeringswe.co.nzHQ: Blenheim, New ZealandReported employees: 11-50 | Blenheim, New Zealand | 11-50 | Exact match | 14 contacts → |
“SWE (Southern Water Engineering) is a leading Marlborough-based engineering company specialising in water engineering, electrical and automation solutions, and pumping technology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Utilities Infrastructure NZuinz.co.nzHQ: Rolleston, New ZealandReported employees: 51-200 | Rolleston, New Zealand | 51-200 | Exact match | 14 contacts → |
“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…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Bellcon Limitedbellcon.co.nzHQ: Ruakaka, New ZealandReported employees: 11-50 | Ruakaka, New Zealand | 11-50 | Exact match | 14 contacts → |
“We’re proud to be a construction company delivering project management, engineering, and commissioning services for water and wastewater infrastructure.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Innoflow Technologies NZ Limitedinnoflow.co.nzHQ: Dairy Flat, New ZealandReported employees: 11-50 | Dairy Flat, New Zealand | 11-50 | Exact match | 13 contacts → |
“Wastewater treatment, Community Pressure Sewers, Wastewater Design, Build & Operate.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  CST Group LTDcstgroup.co.nzHQ: Cambridge, New ZealandReported employees: 11-50 | Cambridge, New Zealand | 11-50 | Exact match | 11 contacts → |
“CST Group Ltd is family-owned company based in the Waikato that has been operating since the 1990’s.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Ecoflow LTDecoflow.co.nzHQ: Auckland, New ZealandReported employees: 11-50 | Auckland, New Zealand | 11-50 | Exact match | 11 contacts → |
“Ecoflow are NZ’s Pressure Sewer Experts – pressure sewer is all we do You’ll find we’re passionate about reducing the risk of wastewater entering New Zealand’s beaches and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  HAL Consulting LTDhalconsulting.co.nzHQ: Parnell, New ZealandReported employees: 11-50 | Parnell, New Zealand | 11-50 | Exact match | 11 contacts → |
“HAL Consulting Ltd (HAL) is a niche engineering consultancy that specialises in wastewater, stormwater and water supply network modelling and strategic planning, and data…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  RZG Constructionrzg.co.nzHQ: Mount Maunganui, New ZealandReported employees: 51-200 | Mount Maunganui, New Zealand | 51-200 | Exact match | 11 contacts → |
“Based in Tauranga, RZG Construction is a multi disciplinary construction company offering services to the infrastructure, commercial and residential, sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Mason Engineers NZ LTDmasons.co.nzHQ: East Tamaki, New ZealandReported employees: 11-50 | East Tamaki, New Zealand | 11-50 | Exact match | 10 contacts → |
“Mason Engineers (NZ) Limited is a company whose name has been synonymous with engineering in New Zealand for more than seventy years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  DEECOdeeco.co.nzHQ: Alicetown, New ZealandReported employees: 11-50 | Alicetown, New Zealand | 11-50 | Exact match | 9 contacts → |
“Founded in 1938, Deeco Services Limited combines the best from tradition, experience and modern management.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Brickhouse Technologiesbrickhouse.co.nzHQ: Hamilton, New ZealandReported employees: 1-10 | Hamilton, New Zealand | 1-10 | Exact match | 9 contacts → |
“From helping local authorities manage their municipal water treatment systems through to providing bespoke solutions for meat, dairy, food processing, and industrial clients…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Oasis Clearwater Environmental Systemsoasisclearwater.co.nzHQ: Rolleston, New ZealandReported employees: 11-50 | Rolleston, New Zealand | 11-50 | Exact match | 9 contacts → |
“Oasis Clearwater are a leading manufacturer of onsite wastewater treatment systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Northwaternorthwater.nzHQ: Auckland, New ZealandReported employees: 11-50 | Auckland, New Zealand | 11-50 | Exact match | 8 contacts → |
“NorthWater specializes in watermain installation, Butt welding and Electrofusion welding, Pressure Testing, Ozone Pipeline Disinfection, Chlorination's, Pipeline Connections and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  G P Friel LTDgpfl.co.nzHQ: Wellington, New ZealandReported employees: 11-50 | Wellington, New Zealand | 11-50 | Exact match | 7 contacts → |
“GP Friel Ltd.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Neuflow Projectsneuflow.co.nzHQ: Rukuhia, New ZealandReported employees: 1-10 | Rukuhia, New Zealand | 1-10 | Exact match | 7 contacts → |
“Neuflow Projects are a team of project specialists encompassing innovative conceptual planning, investigations and feasibility studies, preliminary designs, detailed designs…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Allflow NZallflow.co.nzHQ: Richmond, New ZealandReported employees: 1-10 | Richmond, New Zealand | 1-10 | Exact match | 6 contacts → |
“Allflow has been serving the top of the South since the 1960s, including waste water services from 1977.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  NEO Consultingneoconsulting.co.nzHQ: Newmarket, New ZealandReported employees: 11-50 | Newmarket, New Zealand | 11-50 | Exact match | 5 contacts → |
“We came from golden beginnings, being born from too much success and rapid growth.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 68 company matches
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Wastewater engineering contractors: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
67 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 68 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for wastewater engineering contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many wastewater engineering contractors did RevenueBase find based in New Zealand?
The saved snapshot records 68 matching company records, 831 tracked contacts and 344 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Wastewater engineering contractors by geography
- Wastewater engineering contractors based in Sydney, Australia
- Wastewater engineering contractors based in Belo Horizonte, Brazil
- Wastewater engineering contractors based in Sao Paulo, Brazil
- Wastewater engineering contractors based in Ahmedabad, India
- Wastewater engineering contractors based in Chennai, India
- Wastewater engineering contractors based in Mumbai, India
- Wastewater engineering contractors based in Pune, India
- Wastewater engineering contractors based in Riyadh, Saudi Arabia
- Wastewater engineering contractors based in Singapore, Singapore
- Wastewater engineering contractors based in Istanbul, Türkiye
- Wastewater engineering contractors based in Abu Dhabi, United Arab Emirates
- Wastewater engineering contractors based in Dubai, United Arab Emirates
Cite this list
RevenueBase Data Team. Top 25 wastewater engineering contractors based in New Zealand. Snapshot: November 6, 2026. https://revenuebase.ai/companies/wastewater-engineering-contractors/new-zealand.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Wastewater engineering contractors based in Sydney, Australia
- Wastewater engineering contractors based in Belo Horizonte, Brazil
- Wastewater engineering contractors based in Sao Paulo, Brazil
- Wastewater engineering contractors based in Ahmedabad, India
- Wastewater engineering contractors based in Chennai, India
- Wastewater engineering contractors based in Mumbai, India
Company intelligence · public preview
Top 25 wastewater engineering contractors based in New Zealand
RevenueBase records 68 matching company records for wastewater engineering contractors based in New Zealand, with 831 tracked contacts and 344 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 wastewater engineering contractors based in New Zealand
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | HUMEShumes.co.nz HQ: Auckland, New ZealandReported employees: 201-500 | Auckland, New Zealand | 201-500 | Exact match | 221 contacts → |
“Humes is a leading manufacturer and supplier of systems for managing water and other utilities, primarily in urban environments and roading.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | United Civil Construction Limitedunitedcivil.co.nz HQ: Whangarei, New ZealandReported employees: 51-200 | Whangarei, New Zealand | 51-200 | Exact match | 80 contacts → |
“United Civil Construction is a leading NZ civil engineering construction company that delivers exceptional infrastructure projects nationally.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Pipeline & Civil LTDpipelinecivil.co.nz HQ: Auckland, New ZealandReported employees: 51-200 | Auckland, New Zealand | 51-200 | Exact match | 57 contacts → |
“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…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | LUTRAlutra.com HQ: Lower Hutt, New ZealandReported employees: 11-50 | Lower Hutt, New Zealand | 11-50 | Exact match | 46 contacts → |
“Established in 2006, Lutra are a team of water and wastewater specialist solutions providers with a team of over 39 spread throughout New Zealand.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Watersmartwatersmart.co.nz HQ: Auckland, New ZealandReported employees: 11-50 | Auckland, New Zealand | 11-50 | Exact match | 27 contacts → |
“Trusted, Innovative, Water Solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Waipa Civil LTDwaipacivil.co.nz HQ: Cambridge, New ZealandReported employees: 51-200 | Cambridge, New Zealand | 51-200 | Exact match | 20 contacts → |
“Civil construction firm Waipa Civil assists local councils and construction companies throughout the greater Waikato region and Bay of Plenty area.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Devan Plastics Limiteddevan.co.nz HQ: Tauranga, New ZealandReported employees: 51-200 | Tauranga, New Zealand | 51-200 | Exact match | 18 contacts → |
“We manufacture and design Water and Waste Water Solutions for the Urban, Rural and Commercial Market.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Sitecaresitecare.co.nz HQ: Taupo, New ZealandReported employees: 51-200 | Taupo, New Zealand | 51-200 | Exact match | 16 contacts → |
“For over 25 years, SiteCare has been a prominent national leader in providing a diverse range of environmental and industrial services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | SWE Southern Water Engineeringswe.co.nz HQ: Blenheim, New ZealandReported employees: 11-50 | Blenheim, New Zealand | 11-50 | Exact match | 14 contacts → |
“SWE (Southern Water Engineering) is a leading Marlborough-based engineering company specialising in water engineering, electrical and automation solutions, and pumping technology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Utilities Infrastructure NZuinz.co.nz HQ: Rolleston, New ZealandReported employees: 51-200 | Rolleston, New Zealand | 51-200 | Exact match | 14 contacts → |
“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…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Bellcon Limitedbellcon.co.nz HQ: Ruakaka, New ZealandReported employees: 11-50 | Ruakaka, New Zealand | 11-50 | Exact match | 14 contacts → |
“We’re proud to be a construction company delivering project management, engineering, and commissioning services for water and wastewater infrastructure.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Innoflow Technologies NZ Limitedinnoflow.co.nz HQ: Dairy Flat, New ZealandReported employees: 11-50 | Dairy Flat, New Zealand | 11-50 | Exact match | 13 contacts → |
“Wastewater treatment, Community Pressure Sewers, Wastewater Design, Build & Operate.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | CST Group LTDcstgroup.co.nz HQ: Cambridge, New ZealandReported employees: 11-50 | Cambridge, New Zealand | 11-50 | Exact match | 11 contacts → |
“CST Group Ltd is family-owned company based in the Waikato that has been operating since the 1990’s.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Ecoflow LTDecoflow.co.nz HQ: Auckland, New ZealandReported employees: 11-50 | Auckland, New Zealand | 11-50 | Exact match | 11 contacts → |
“Ecoflow are NZ’s Pressure Sewer Experts – pressure sewer is all we do You’ll find we’re passionate about reducing the risk of wastewater entering New Zealand’s beaches and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HAL Consulting LTDhalconsulting.co.nz HQ: Parnell, New ZealandReported employees: 11-50 | Parnell, New Zealand | 11-50 | Exact match | 11 contacts → |
“HAL Consulting Ltd (HAL) is a niche engineering consultancy that specialises in wastewater, stormwater and water supply network modelling and strategic planning, and data…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | RZG Constructionrzg.co.nz HQ: Mount Maunganui, New ZealandReported employees: 51-200 | Mount Maunganui, New Zealand | 51-200 | Exact match | 11 contacts → |
“Based in Tauranga, RZG Construction is a multi disciplinary construction company offering services to the infrastructure, commercial and residential, sectors.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Mason Engineers NZ LTDmasons.co.nz HQ: East Tamaki, New ZealandReported employees: 11-50 | East Tamaki, New Zealand | 11-50 | Exact match | 10 contacts → |
“Mason Engineers (NZ) Limited is a company whose name has been synonymous with engineering in New Zealand for more than seventy years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | DEECOdeeco.co.nz HQ: Alicetown, New ZealandReported employees: 11-50 | Alicetown, New Zealand | 11-50 | Exact match | 9 contacts → |
“Founded in 1938, Deeco Services Limited combines the best from tradition, experience and modern management.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Brickhouse Technologiesbrickhouse.co.nz HQ: Hamilton, New ZealandReported employees: 1-10 | Hamilton, New Zealand | 1-10 | Exact match | 9 contacts → |
“From helping local authorities manage their municipal water treatment systems through to providing bespoke solutions for meat, dairy, food processing, and industrial clients…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Oasis Clearwater Environmental Systemsoasisclearwater.co.nz HQ: Rolleston, New ZealandReported employees: 11-50 | Rolleston, New Zealand | 11-50 | Exact match | 9 contacts → |
“Oasis Clearwater are a leading manufacturer of onsite wastewater treatment systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Northwaternorthwater.nz HQ: Auckland, New ZealandReported employees: 11-50 | Auckland, New Zealand | 11-50 | Exact match | 8 contacts → |
“NorthWater specializes in watermain installation, Butt welding and Electrofusion welding, Pressure Testing, Ozone Pipeline Disinfection, Chlorination's, Pipeline Connections and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | G P Friel LTDgpfl.co.nz HQ: Wellington, New ZealandReported employees: 11-50 | Wellington, New Zealand | 11-50 | Exact match | 7 contacts → |
“GP Friel Ltd.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Neuflow Projectsneuflow.co.nz HQ: Rukuhia, New ZealandReported employees: 1-10 | Rukuhia, New Zealand | 1-10 | Exact match | 7 contacts → |
“Neuflow Projects are a team of project specialists encompassing innovative conceptual planning, investigations and feasibility studies, preliminary designs, detailed designs…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Allflow NZallflow.co.nz HQ: Richmond, New ZealandReported employees: 1-10 | Richmond, New Zealand | 1-10 | Exact match | 6 contacts → |
“Allflow has been serving the top of the South since the 1960s, including waste water services from 1977.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | NEO Consultingneoconsulting.co.nz HQ: Newmarket, New ZealandReported employees: 11-50 | Newmarket, New Zealand | 11-50 | Exact match | 5 contacts → |
“We came from golden beginnings, being born from too much success and rapid growth.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 68 company matches
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Wastewater engineering contractors: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
67 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 68 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for wastewater engineering contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many wastewater engineering contractors did RevenueBase find based in New Zealand?
The saved snapshot records 68 matching company records, 831 tracked contacts and 344 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 wastewater engineering contractors based in New Zealand. Snapshot: November 6, 2026. https://revenuebase.ai/companies/wastewater-engineering-contractors/new-zealand.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Wastewater engineering contractors based in Sydney, Australia
- Wastewater engineering contractors based in Belo Horizonte, Brazil
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