Company lists · Data refreshed November 2026

Top 24 Offshore infrastructure maintenance companies based in Canada

RevenueBase identified 118 company matches for offshore infrastructure maintenance companies associated with Canada as of November 2026 and tracks 2,251 professional contacts across them, including 702 with verified work emails. Dartmouth is the largest hub.

This list covers company matches for offshore infrastructure maintenance companies 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 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
118Companies
2,251Contacts tracked
702Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 24 largest offshore infrastructure maintenance companies based in Canada

Ranked by team size
Top 24 of 118 company matches for offshore infrastructure maintenance companies based in Canada, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchQuébec, QC, CanadaHQ recorded Nov 6, 2026501-1,000373 contacts →

Exact match

“Harbour Towing | Shipyard | Ship Repairs | Naval Construction | Equipement Rental | Floating wharves | Barge and Worboat Rental | Salvage | Marine Transportation | Dredging Ocean…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSaint John, NB, CanadaHQ recorded Nov 6, 2026501-1,000198 contacts →

Exact match

“Atlantic Towing is a leading provider of Offshore Supply, Port and Coastal marine services, operating in the North Atlantic, South Atlantic, Arctic and Pacific Coastal regions, as…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchMontague, ON, CanadaHQ recorded Nov 6, 202651-200130 contacts →

Exact match

“AKA Energy Systems (Aspin Kemp & Associates Inc.), established in 1996, is an energy systems provider delivering innovative solutions worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchSt John’s, NL, CanadaHQ recorded Nov 6, 202651-20085 contacts →

Exact match

“DF Barnes is a Newfoundland and Labrador company engaged in fabrication, maintenance and industrial construction for the mining, oil and gas, renewable and marine sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSt John’s, NL, CanadaHQ recorded Nov 6, 2026201-50070 contacts →

Exact match

“Reliance Offshore is the offshore & marine personnel subsidiary of the I.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchFort Saskatchewan, AB, CanadaHQ recorded Nov 6, 202651-20061 contacts →

Exact match

“Canada Pump & Power is a leading provider of industrial marine services and products, specializing in four core areas: DIVE – PUMP – BARGE – DREDGE.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchClagary, AB, CanadaHQ recorded Nov 6, 202651-20048 contacts →

Exact match

“COOEC is now one of the largest EPCI contractors for the offshore oil and gas industry in North America.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchDartmouth, NS, CanadaHQ recorded Nov 6, 202651-20044 contacts →

Exact match

“Siem Offshore manages a harsh-weather fleet of offshore support vessels servicing major offshore energy companies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchDartmouth, NS, CanadaHQ recorded Nov 6, 2026201-50040 contacts →

Exact match

“MacKinnon & Olding (M&O) is a Nova Scotia-based marine construction and industrial services company with 40 years of experience and one of Eastern Canada’s leading providers of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchMontreal, QC, CanadaHQ recorded Nov 6, 202651-20039 contacts →

Exact match

“NAVAMAR's experienced staff is capable of carrying out every type of ship repair required.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchNorth Vancouver, BC, CanadaHQ recorded Nov 6, 202651-20030 contacts →

Exact match

“Canpac Marine Services Inc, is based in the Port of Vancouver, Canada and has been providing marine services to inland, coastal, and offshore sectors since 1965.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchAcheson, AB, CanadaHQ recorded Nov 6, 2026201-50028 contacts →

Exact match

“RSW specializes in Tailings Management and Plant Maintenance, offering expertise in Pump Barges, Dredges, Floating Modules, Wear Spools, Expansion Barrels, Screens and pipe…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBonnyville, AB, CanadaHQ recorded Nov 6, 202651-20026 contacts →

Exact match

“Boon Energy is a leading service provider for Wellhead Maintenance, Blasting & Coating, Facility Maintenance and Picker Services with operations in Alberta and NWT.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchLes Méchins, QC, CanadaHQ recorded Nov 6, 2026201-50026 contacts →

Exact match

“Depuis plus de 60 ans, Verreault Navigation a su s'imposer comme chef de file dans le domaine maritime, des activités de transformation et de réparation de navires.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchTrois-rivières, QC, CanadaHQ recorded Nov 6, 202651-20025 contacts →

Exact match

“MVC Océan has been carrying out maritime and underwater projects since 1970.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchDartmouth, NS, CanadaHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“Founded in 1969, Dominion Diving Limited has advanced to become the largest professional diving, ROV and subsea services company in Canada.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchCampbell River, BC, CanadaHQ recorded Nov 6, 202651-20019 contacts →

Exact match

“Ocean Pacific Marine Supply & Boatyard Ltd.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchNisku, AB, CanadaHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“Canfish Services is proud to have the expertise required to provide technical support and equipment for all levels of fishing and pipe recovery well repair requirements.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchMatane, QC, CanadaHQ recorded Nov 6, 202651-20018 contacts →

Exact match

“Meriden specializes in conception, fabrication, repair and inspection of products and development in specific Maritimes and industrial Domain.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchBrossard, QC, CanadaHQ recorded Nov 6, 202651-20017 contacts →

Exact match

“INDYCO est une entreprise spécialisée en génie civil maritime et environnemental, incluant la réalisation de travaux sous-marins spécialisés.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSherwood Park, AB, CanadaHQ recorded Nov 6, 202651-20012 contacts →

Exact match

“Since starting as a small crew in 1997, Joe Verbeek Contracting Ltd.(JVC Ltd.) has grown into a well-established company offering a full range of maintenance, shutdown…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchGrande Prairie, CanadaHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Prefurd is an experienced multi-service contractor assisting commercial and private clients (mainly in the oil & gas industries), in the planning, drafting, constructing, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchFort St John, BC, CanadaHQ recorded Nov 6, 202651-20011 contacts →

Exact match

“Company Overview - D-W Wilson Services Ltd.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLasalle, ON, CanadaHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“Large scale marine contractor specializing in heavy marine construction with a focus on pipeline deployments, pile driving, shoreline protection, full construction of water…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 24 of 118 offshore infrastructure maintenance companies based in Canada

See the full list, filter by size, metro and specialty, and access 702 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Offshore infrastructure maintenance companies based in Canada at a glance

As of Nov 6, 2026
31.2%Verified-email coverage
19.1Average contacts per company
11-50Median size (employees)
8.5%Largest-city concentration · Dartmouth
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
30
11-50
44
51-200
26
201-500
10
501-1,000
4
10001+
1

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 118 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 “offshore infrastructure maintenance companies” 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 702 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 “offshore infrastructure maintenance companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many offshore infrastructure maintenance companies are there based in Canada?

RevenueBase identified 118 company matches for offshore infrastructure maintenance companies 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?

Ocean Océan tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most offshore infrastructure maintenance companies?

Dartmouth leads with 10 company records, followed by St Johns (7) and St. Johns (6).

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 702 professional contacts with verified work emails tracked across these 118 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 118 offshore infrastructure maintenance companies based in Canada. Start with a free account, no credit card.

Download this list →

Related lists

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.