Company lists · Data refreshed November 2026
Top 25 Water & wastewater contract operating services based in Canada
RevenueBase identified 148 company matches for water & wastewater contract operating services associated with Canada as of November 2026 and tracks 3,025 professional contacts across them, including 1,412 with verified work emails. Calgary is the largest hub.
This list covers company matches for water & wastewater contract operating services associated with Canada, 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 3, 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 water & wastewater contract operating services based in Canada
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 857 contacts → | ||||
Exact match “Ovivo is a powerful global brand, uniting world-renowned trademarks and a highly specialized team of 700 water treatment experts operating across the globe.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 2 | 684 contacts → | ||||
Exact match “Water is one of our most precious resources.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 3 | 105 contacts → | ||||
Exact match “For nearly 40 years, HELIOS Group has offered unique and innovative know-how in the management, operation and maintenance of infrastructures in the water, building and…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 4 | 92 contacts → | ||||
Exact match “Clearford delivers optimized smart treatment solutions for communities of all sizes, when and where you need them, high performance water and wastewater treatment plus all of the…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 5 | 75 contacts → | ||||
Exact match “GS has prided itself on a reputation of quality work, continuous learning and a primary focus on employee safety.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 6 | 65 contacts → | ||||
Exact match “Bennett Construction Group has specialized in the construction of Water and Wastewater treatment facilities for over 40 years.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 7 | 57 contacts → | ||||
Exact match “At Aquatech Canadian Water Services Inc, we are dedicated to empowering communities, cities, and industries to achieve their water services goals.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 8 | 56 contacts → | ||||
Exact match “Tritech is an industry leader in integrated design, project management, and construction services for water and wastewater infrastructure projects.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 9 | 51 contacts → | ||||
Exact match “About Us Napier-Reid is a leading water and wastewater treatment solutions company with an established reputation for design innovation and manufacturing excellence.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 10 | 44 contacts → | ||||
Exact match “What do you see in a drop of clear water?” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 11 | 40 contacts → | ||||
Exact match “Water & Wastewater Treatment Equipment sales & service for industrial & municipal applications: grinders, screens, conveyors, SBRs, grit removal, aerators, diffusers, blowers…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 12 | 38 contacts → | ||||
Exact match “DESIGN / BUILT / OPERATE Mabarex is a water-treatment leader serving clients across Canada since 1983.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 13 | 37 contacts → | ||||
Exact match “Based in Alberta, Canada, FilterBoxx is a renowned leader in the design and supply of modular waterIntroPage and wastewater solutions for a wide array of industrial customers.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 14 | 33 contacts → | ||||
Exact match “Oeuvrant exclusivement dans le domaine de la gestion, l’auscultation, le diagnostic et de l’entretien préventif de réseaux de distribution d’eau potable et d’égouts, Aqua Data…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 15 | 28 contacts → | ||||
Exact match “We are a multi-trade contractor with our head office located in Waterloo, Ontario.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 16 | 26 contacts → | ||||
Exact match “Terra Water Systems provides clients with reliable and effective solutions to meet their onsite water and wastewater treatment needs.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 17 | 26 contacts → | ||||
Exact match “Titan Energy Services excels at providing Integrated Water Solutions to the oil and gas, mining, construction, and municipal sectors.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 18 | 20 contacts → | ||||
Exact match “PEAK is a water and sewer deep utilities provider, indemnified with the City of Calgary, which offers commercial Installations.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 19 | 18 contacts → | ||||
Exact match “MANDATE The Corporation will reliably and efficiently provide safe, high quality and affordable drinking water to the Cities.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 20 | 18 contacts → | ||||
Exact match “Baseline Constructors Inc is a General Contractor in the water and wastewater industry based out of Waterloo, ON” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 21 | 17 contacts → | ||||
Exact match “Darspec plays a key role in drinking water management and protection strategies.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 22 | 16 contacts → | ||||
Exact match “FIRMA CONTRACTING IS A LEADING CIVIL CONTRACTOR BASED IN SASKATOON AND EDMONTON.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 23 | 15 contacts → | ||||
Exact match “Providing Service You Deserve, Titan Contractors (Kenora) Ltd.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 24 | 14 contacts → | ||||
Exact match “Culligan au Québec : une histoire de confiance depuis plus de 70 ans!” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 25 | 14 contacts → | ||||
Exact match “Helping Communities, Facilities & Industries Manage Water & Wastewater Systems With 20+ years of experience and support for 400+ systems across Canada, Aureus Solutions provides…” Recorded in the RevenueBase company graph · Nov 3, 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 “water & wastewater contract operating services”. 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 148 water & wastewater contract operating services based in Canada
See the full list, filter by size, metro and specialty, and access 1,412 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Water & wastewater contract operating services based in Canada at a glance
As of Nov 3, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Canada, so it is reported there. Company counts and contact totals on this page are exact for Canada, over 148 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 Canada whose business descriptions match “water & wastewater contract operating services” 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 1,412 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 3, 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 “water & wastewater contract operating services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many water & wastewater contract operating services are there based in Canada?
RevenueBase identified 148 company matches for water & wastewater contract operating services associated with Canada 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?
OVIVO tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most water & wastewater contract operating services?
Calgary leads with 9 company records, followed by Saskatoon (5) and Mississauga (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 1,412 professional contacts with verified work emails tracked across these 148 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 3, 2026.
Ready to reach these companies? Verified emails and direct dials for all 148 water & wastewater contract operating services based in Canada. Start with a free account, no credit card.
Download this list →Related lists
Water & wastewater contract operating services by geography
- Water & wastewater contract operating services based in Ahmedabad, India
- Water & wastewater contract operating services based in Mumbai, India
- Water & wastewater contract operating services based in Australia
- Water & wastewater contract operating services based in Belgium
- Water & wastewater contract operating services based in Brazil
- Water & wastewater contract operating services based in Chile
- Water & wastewater contract operating services based in Colombia
- Water & wastewater contract operating services based in Czechia
- Water & wastewater contract operating services based in Denmark
- Water & wastewater contract operating services based in Egypt
- Water & wastewater contract operating services based in Finland
- Water & wastewater contract operating services based in France
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
- Water & wastewater contract operating services based in Ahmedabad, India
- Water & wastewater contract operating services based in Mumbai, India
- Water & wastewater contract operating services based in Australia
- Water & wastewater contract operating services based in Belgium
- Water & wastewater contract operating services based in Brazil
- Water & wastewater contract operating services based in Chile
Company intelligence · public preview
Top 25 water & wastewater contract operating services based in Canada
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 148 matching company records for water & wastewater contract operating services based in Canada, with 3,025 tracked contacts and 1,412 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 3, 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 water & wastewater contract operating services based in Canada
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 |  OVIVOovivowater.comHQ: Montreal, QC, CanadaReported employees: 501-1,000 | Montreal, QC, Canada | 501-1,000 | Exact match | 857 contacts → |
“Ovivo is a powerful global brand, uniting world-renowned trademarks and a highly specialized team of 700 water treatment experts operating across the globe.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Ontario Clean Water Agencyocwa.com HQ: Mississauga, ON, CanadaReported employees: 501-1,000 | Mississauga, ON, Canada | 501-1,000 | Exact match | 684 contacts → |
“Water is one of our most precious resources.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Helios Groupgroupehelios.com HQ: Montréal, CanadaReported employees: 11-50 | Montréal, Canada | 11-50 | Exact match | 105 contacts → |
“For nearly 40 years, HELIOS Group has offered unique and innovative know-how in the management, operation and maintenance of infrastructures in the water, building and…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Clearfordclearford.comHQ: Ottawa, ON, CanadaReported employees: 51-200 | Ottawa, ON, Canada | 51-200 | Exact match | 92 contacts → |
“Clearford delivers optimized smart treatment solutions for communities of all sizes, when and where you need them, high performance water and wastewater treatment plus all of the…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  GS Construction Underground Infrastructuregsconstruction.caHQ: Acheson, AB, CanadaReported employees: 51-200 | Acheson, AB, Canada | 51-200 | Exact match | 75 contacts → |
“GS has prided itself on a reputation of quality work, continuous learning and a primary focus on employee safety.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Bennett Construction Groupbennettgroup.caHQ: Millgrove, ON, CanadaReported employees: 51-200 | Millgrove, ON, Canada | 51-200 | Exact match | 65 contacts → |
“Bennett Construction Group has specialized in the construction of Water and Wastewater treatment facilities for over 40 years.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Aquatech Canadian Water Services INCaquatech-canadian.comHQ: Cochrane, CanadaReported employees: 51-200 | Cochrane, Canada | 51-200 | Exact match | 57 contacts → |
“At Aquatech Canadian Water Services Inc, we are dedicated to empowering communities, cities, and industries to achieve their water services goals.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Tritech Group LTDtritechgroup.caHQ: Langley, BC, CanadaReported employees: 51-200 | Langley, BC, Canada | 51-200 | Exact match | 56 contacts → |
“Tritech is an industry leader in integrated design, project management, and construction services for water and wastewater infrastructure projects.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Napier-Reid LTDnapier-reid.comHQ: Aurora, ON, CanadaReported employees: 11-50 | Aurora, ON, Canada | 11-50 | Exact match | 51 contacts → |
“About Us Napier-Reid is a leading water and wastewater treatment solutions company with an established reputation for design innovation and manufacturing excellence.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Arrow Utilitiesarrowutilities.caHQ: Strathcona County, AB, CanadaReported employees: 11-50 | Strathcona County, AB, Canada | 11-50 | Exact match | 44 contacts → |
“What do you see in a drop of clear water?” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  H2flowh2flow.comHQ: Vaughan, ON, CanadaReported employees: 11-50 | Vaughan, ON, Canada | 11-50 | Exact match | 40 contacts → |
“Water & Wastewater Treatment Equipment sales & service for industrial & municipal applications: grinders, screens, conveyors, SBRs, grit removal, aerators, diffusers, blowers…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Mabarexmabarex.comHQ: Saint-laurent, QC, CanadaReported employees: 11-50 | Saint-laurent, QC, Canada | 11-50 | Exact match | 38 contacts → |
“DESIGN / BUILT / OPERATE Mabarex is a water-treatment leader serving clients across Canada since 1983.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Ovivo Filterboxxfilterboxx.comHQ: Calgary, AB, CanadaReported employees: 51-200 | Calgary, AB, Canada | 51-200 | Exact match | 37 contacts → |
“Based in Alberta, Canada, FilterBoxx is a renowned leader in the design and supply of modular waterIntroPage and wastewater solutions for a wide array of industrial customers.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Aqua Data INCaquadata.comHQ: Vaudreuil-dorion, QC, CanadaReported employees: 51-200 | Vaudreuil-dorion, QC, Canada | 51-200 | Exact match | 33 contacts → |
“Oeuvrant exclusivement dans le domaine de la gestion, l’auscultation, le diagnostic et de l’entretien préventif de réseaux de distribution d’eau potable et d’égouts, Aqua Data…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  BGL Contractors Corpbglcc.caHQ: Waterloo, ON, CanadaReported employees: 11-50 | Waterloo, ON, Canada | 11-50 | Exact match | 28 contacts → |
“We are a multi-trade contractor with our head office located in Waterloo, Ontario.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Terra Water Systems INCterra-water.comHQ: Calgary, AB, CanadaReported employees: 11-50 | Calgary, AB, Canada | 11-50 | Exact match | 26 contacts → |
“Terra Water Systems provides clients with reliable and effective solutions to meet their onsite water and wastewater treatment needs.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Titan Energy Servicestitanenergyservices.com HQ: Calgary, BC, CanadaReported employees: 11-50 | Calgary, BC, Canada | 11-50 | Exact match | 26 contacts → |
“Titan Energy Services excels at providing Integrated Water Solutions to the oil and gas, mining, construction, and municipal sectors.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Peak Contracting Services INCpeakcontracting.ca HQ: Calgary, AB, CanadaReported employees: 11-50 | Calgary, AB, Canada | 11-50 | Exact match | 20 contacts → |
“PEAK is a water and sewer deep utilities provider, indemnified with the City of Calgary, which offers commercial Installations.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Buffalo Pound Water Treatment Corporationbuffalopoundwtp.ca HQ: Moose Jaw, SK, CanadaReported employees: 11-50 | Moose Jaw, SK, Canada | 11-50 | Exact match | 18 contacts → |
“MANDATE The Corporation will reliably and efficiently provide safe, high quality and affordable drinking water to the Cities.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Baseline Constructors INCbaselineconstructors.caHQ: Waterloo, ON, CanadaReported employees: 11-50 | Waterloo, ON, Canada | 11-50 | Exact match | 18 contacts → |
“Baseline Constructors Inc is a General Contractor in the water and wastewater industry based out of Waterloo, ON” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Darspecdarspec.com HQ: Brossard, QC, CanadaReported employees: 1-10 | Brossard, QC, Canada | 1-10 | Exact match | 17 contacts → |
“Darspec plays a key role in drinking water management and protection strategies.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Firma Contracting INCfirmacontracting.com HQ: Saskatoon, SK, CanadaReported employees: 11-50 | Saskatoon, SK, Canada | 11-50 | Exact match | 16 contacts → |
“FIRMA CONTRACTING IS A LEADING CIVIL CONTRACTOR BASED IN SASKATOON AND EDMONTON.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Titan Contractorstitancontractors.ca HQ: Kenora, ON, CanadaReported employees: 11-50 | Kenora, ON, Canada | 11-50 | Exact match | 15 contacts → |
“Providing Service You Deserve, Titan Contractors (Kenora) Ltd.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Culligan Québecculliganquebec.com HQ: Québec, QC, CanadaReported employees: 51-200 | Québec, QC, Canada | 51-200 | Exact match | 14 contacts → |
“Culligan au Québec : une histoire de confiance depuis plus de 70 ans!” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Aureus Solutions INCaureuswater.caHQ: Kingston, ON, CanadaReported employees: 11-50 | Kingston, ON, Canada | 11-50 | Exact match | 14 contacts → |
“Helping Communities, Facilities & Industries Manage Water & Wastewater Systems With 20+ years of experience and support for 400+ systems across Canada, Aureus Solutions provides…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 148 company matches
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Water & wastewater contract operating services: dataset insights
November 3, 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
142 records in the displayed employee bands.
6 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 Canada, so it is reported there. Company counts and contact totals on this page are exact for Canada, over 148 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 3, 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 water & wastewater contract operating services?
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 water & wastewater contract operating services did RevenueBase find based in Canada?
The saved snapshot records 148 matching company records, 3,025 tracked contacts and 1,412 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 3, 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
Water & wastewater contract operating services by geography
- Water & wastewater contract operating services based in Ahmedabad, India
- Water & wastewater contract operating services based in Mumbai, India
- Water & wastewater contract operating services based in Australia
- Water & wastewater contract operating services based in Belgium
- Water & wastewater contract operating services based in Brazil
- Water & wastewater contract operating services based in Chile
- Water & wastewater contract operating services based in Colombia
- Water & wastewater contract operating services based in Czechia
- Water & wastewater contract operating services based in Denmark
- Water & wastewater contract operating services based in Egypt
- Water & wastewater contract operating services based in Finland
- Water & wastewater contract operating services based in France
Cite this list
RevenueBase Data Team. Top 25 water & wastewater contract operating services based in Canada. Snapshot: November 3, 2026. https://revenuebase.ai/companies/water-wastewater-contract-operating-services/canada.
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
- Water & wastewater contract operating services based in Ahmedabad, India
- Water & wastewater contract operating services based in Mumbai, India
- Water & wastewater contract operating services based in Australia
- Water & wastewater contract operating services based in Belgium
- Water & wastewater contract operating services based in Brazil
- Water & wastewater contract operating services based in Chile
Company intelligence · public preview
Top 25 water & wastewater contract operating services based in Canada
RevenueBase records 148 matching company records for water & wastewater contract operating services based in Canada, with 3,025 tracked contacts and 1,412 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 3, 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 water & wastewater contract operating services based in Canada
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 | OVIVOovivowater.com HQ: Montreal, QC, CanadaReported employees: 501-1,000 | Montreal, QC, Canada | 501-1,000 | Exact match | 857 contacts → |
“Ovivo is a powerful global brand, uniting world-renowned trademarks and a highly specialized team of 700 water treatment experts operating across the globe.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Ontario Clean Water Agencyocwa.com HQ: Mississauga, ON, CanadaReported employees: 501-1,000 | Mississauga, ON, Canada | 501-1,000 | Exact match | 684 contacts → |
“Water is one of our most precious resources.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Helios Groupgroupehelios.com HQ: Montréal, CanadaReported employees: 11-50 | Montréal, Canada | 11-50 | Exact match | 105 contacts → |
“For nearly 40 years, HELIOS Group has offered unique and innovative know-how in the management, operation and maintenance of infrastructures in the water, building and…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Clearfordclearford.com HQ: Ottawa, ON, CanadaReported employees: 51-200 | Ottawa, ON, Canada | 51-200 | Exact match | 92 contacts → |
“Clearford delivers optimized smart treatment solutions for communities of all sizes, when and where you need them, high performance water and wastewater treatment plus all of the…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | GS Construction Underground Infrastructuregsconstruction.ca HQ: Acheson, AB, CanadaReported employees: 51-200 | Acheson, AB, Canada | 51-200 | Exact match | 75 contacts → |
“GS has prided itself on a reputation of quality work, continuous learning and a primary focus on employee safety.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Bennett Construction Groupbennettgroup.ca HQ: Millgrove, ON, CanadaReported employees: 51-200 | Millgrove, ON, Canada | 51-200 | Exact match | 65 contacts → |
“Bennett Construction Group has specialized in the construction of Water and Wastewater treatment facilities for over 40 years.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Aquatech Canadian Water Services INCaquatech-canadian.com HQ: Cochrane, CanadaReported employees: 51-200 | Cochrane, Canada | 51-200 | Exact match | 57 contacts → |
“At Aquatech Canadian Water Services Inc, we are dedicated to empowering communities, cities, and industries to achieve their water services goals.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Tritech Group LTDtritechgroup.ca HQ: Langley, BC, CanadaReported employees: 51-200 | Langley, BC, Canada | 51-200 | Exact match | 56 contacts → |
“Tritech is an industry leader in integrated design, project management, and construction services for water and wastewater infrastructure projects.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Napier-Reid LTDnapier-reid.com HQ: Aurora, ON, CanadaReported employees: 11-50 | Aurora, ON, Canada | 11-50 | Exact match | 51 contacts → |
“About Us Napier-Reid is a leading water and wastewater treatment solutions company with an established reputation for design innovation and manufacturing excellence.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Arrow Utilitiesarrowutilities.ca HQ: Strathcona County, AB, CanadaReported employees: 11-50 | Strathcona County, AB, Canada | 11-50 | Exact match | 44 contacts → |
“What do you see in a drop of clear water?” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | H2flowh2flow.com HQ: Vaughan, ON, CanadaReported employees: 11-50 | Vaughan, ON, Canada | 11-50 | Exact match | 40 contacts → |
“Water & Wastewater Treatment Equipment sales & service for industrial & municipal applications: grinders, screens, conveyors, SBRs, grit removal, aerators, diffusers, blowers…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Mabarexmabarex.com HQ: Saint-laurent, QC, CanadaReported employees: 11-50 | Saint-laurent, QC, Canada | 11-50 | Exact match | 38 contacts → |
“DESIGN / BUILT / OPERATE Mabarex is a water-treatment leader serving clients across Canada since 1983.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Ovivo Filterboxxfilterboxx.com HQ: Calgary, AB, CanadaReported employees: 51-200 | Calgary, AB, Canada | 51-200 | Exact match | 37 contacts → |
“Based in Alberta, Canada, FilterBoxx is a renowned leader in the design and supply of modular waterIntroPage and wastewater solutions for a wide array of industrial customers.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Aqua Data INCaquadata.com HQ: Vaudreuil-dorion, QC, CanadaReported employees: 51-200 | Vaudreuil-dorion, QC, Canada | 51-200 | Exact match | 33 contacts → |
“Oeuvrant exclusivement dans le domaine de la gestion, l’auscultation, le diagnostic et de l’entretien préventif de réseaux de distribution d’eau potable et d’égouts, Aqua Data…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | BGL Contractors Corpbglcc.ca HQ: Waterloo, ON, CanadaReported employees: 11-50 | Waterloo, ON, Canada | 11-50 | Exact match | 28 contacts → |
“We are a multi-trade contractor with our head office located in Waterloo, Ontario.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Terra Water Systems INCterra-water.com HQ: Calgary, AB, CanadaReported employees: 11-50 | Calgary, AB, Canada | 11-50 | Exact match | 26 contacts → |
“Terra Water Systems provides clients with reliable and effective solutions to meet their onsite water and wastewater treatment needs.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Titan Energy Servicestitanenergyservices.com HQ: Calgary, BC, CanadaReported employees: 11-50 | Calgary, BC, Canada | 11-50 | Exact match | 26 contacts → |
“Titan Energy Services excels at providing Integrated Water Solutions to the oil and gas, mining, construction, and municipal sectors.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Peak Contracting Services INCpeakcontracting.ca HQ: Calgary, AB, CanadaReported employees: 11-50 | Calgary, AB, Canada | 11-50 | Exact match | 20 contacts → |
“PEAK is a water and sewer deep utilities provider, indemnified with the City of Calgary, which offers commercial Installations.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Buffalo Pound Water Treatment Corporationbuffalopoundwtp.ca HQ: Moose Jaw, SK, CanadaReported employees: 11-50 | Moose Jaw, SK, Canada | 11-50 | Exact match | 18 contacts → |
“MANDATE The Corporation will reliably and efficiently provide safe, high quality and affordable drinking water to the Cities.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Baseline Constructors INCbaselineconstructors.ca HQ: Waterloo, ON, CanadaReported employees: 11-50 | Waterloo, ON, Canada | 11-50 | Exact match | 18 contacts → |
“Baseline Constructors Inc is a General Contractor in the water and wastewater industry based out of Waterloo, ON” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Darspecdarspec.com HQ: Brossard, QC, CanadaReported employees: 1-10 | Brossard, QC, Canada | 1-10 | Exact match | 17 contacts → |
“Darspec plays a key role in drinking water management and protection strategies.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Firma Contracting INCfirmacontracting.com HQ: Saskatoon, SK, CanadaReported employees: 11-50 | Saskatoon, SK, Canada | 11-50 | Exact match | 16 contacts → |
“FIRMA CONTRACTING IS A LEADING CIVIL CONTRACTOR BASED IN SASKATOON AND EDMONTON.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Titan Contractorstitancontractors.ca HQ: Kenora, ON, CanadaReported employees: 11-50 | Kenora, ON, Canada | 11-50 | Exact match | 15 contacts → |
“Providing Service You Deserve, Titan Contractors (Kenora) Ltd.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Culligan Québecculliganquebec.com HQ: Québec, QC, CanadaReported employees: 51-200 | Québec, QC, Canada | 51-200 | Exact match | 14 contacts → |
“Culligan au Québec : une histoire de confiance depuis plus de 70 ans!” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Aureus Solutions INCaureuswater.ca HQ: Kingston, ON, CanadaReported employees: 11-50 | Kingston, ON, Canada | 11-50 | Exact match | 14 contacts → |
“Helping Communities, Facilities & Industries Manage Water & Wastewater Systems With 20+ years of experience and support for 400+ systems across Canada, Aureus Solutions provides…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 148 company matches
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Water & wastewater contract operating services: dataset insights
November 3, 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
142 records in the displayed employee bands.
6 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 Canada, so it is reported there. Company counts and contact totals on this page are exact for Canada, over 148 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 3, 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 water & wastewater contract operating services?
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 water & wastewater contract operating services did RevenueBase find based in Canada?
The saved snapshot records 148 matching company records, 3,025 tracked contacts and 1,412 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 3, 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
Water & wastewater contract operating services by geography
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Cite this list
RevenueBase Data Team. Top 25 water & wastewater contract operating services based in Canada. Snapshot: November 3, 2026. https://revenuebase.ai/companies/water-wastewater-contract-operating-services/canada.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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