Company lists · Data refreshed November 2026
Top 25 Petrochemical maintenance contractors based in Canada
RevenueBase identified 199 company matches for petrochemical maintenance contractors associated with Canada as of November 2026 and tracks 4,377 professional contacts across them, including 1,103 with verified work emails. Edmonton is the largest hub.
This list covers company matches for petrochemical maintenance contractors 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.
The 25 largest petrochemical maintenance contractors based in Canada
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 905 contacts → | ||||
Exact match “At Stuart Olson, we're not just dedicated to the Canadian construction and industrial services market – we're passionate about turning projects into success stories.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 669 contacts → | ||||
Exact match “FLINT is a leading provider for Maintenance & Turnarounds, Wear Technologies, Fabrication, Modularization & Machining, Facility Construction, Pipeline Installation & Integrity…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 222 contacts → | ||||
Exact match “Melloy Industrial is a trusted leader in heavy industrial maintenance, turnarounds, project execution and fabrication services across Canada.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 203 contacts → | ||||
Exact match “With over 45 years of experience working on major projects for some of North America’s most prominent companies in large industrial sectors, Lorneville is an established leader in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 105 contacts → | ||||
Exact match “Got questions or are interested in a particular service?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 101 contacts → | ||||
Exact match “Le Groupe PMI a pour mission de développer une offre de services complète pour la réalisation de projets industriels et de maintenance pour l'ensemble des industries primaires…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 84 contacts → | ||||
Exact match “Established in 1979 LamSar Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 71 contacts → | ||||
Exact match “Process Group Welcome to Industry's single source end-to-end supplier of engineering, procurement, construction and maintenance services to manufacturing plants, process equipment…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 56 contacts → | ||||
Exact match “At Carbonex, we strive to provide innovative and safe solutions for construction and maintenance that exceed client expectations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 53 contacts → | ||||
Exact match “Catalyst Changers has become a recognized go-to source for the Oil, Gas and Petro-chemical Industry when they need dependable Catalyst Changeover and Shutdown Maintenance Services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 51 contacts → | ||||
Exact match “Mader are heavy equipment maintenance experts delivering quality repairs, preventative maintenance and expert diagnostics.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 47 contacts → | ||||
Exact match “Fluor Driver is a recognized leader in plant maintenance, turnarounds, small capital – and particularly safety – across Canada.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 41 contacts → | ||||
Exact match “Lonestar began operations in May of with just one vacuum truck and has since grown into a multi-service company diversifying to meet industry demand.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 26 contacts → | ||||
Exact match “Since 2001, LOK Energy Services specializes in field maintenance services for critical rotating machinery including steam and gas turbines, generators, and peripheral systems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 24 contacts → | ||||
Exact match “At Anderson Webb, we take pride in being a key player in North America's mechanical contracting industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 22 contacts → | ||||
Exact match “Train Energy Services Ltd, based in Didsbury, Alberta specializes in Industrial Services including: Facility Construction, Maintenance & Turnarounds, Line Abandonments and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 21 contacts → | ||||
Exact match “TES Group Inc.(TES) is a unique full-solution provider and one-stop shop for industrial construction, maintenance and technical services for a range of steam, power, and process…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 19 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 18 contacts → | ||||
Exact match “CSM is a full service Industrial Contractor.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 18 contacts → | ||||
Exact match “Alberta based company, proven to be a reputable and highly competent industrial services provider.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 17 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 17 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 17 contacts → | ||||
Exact match “Mécanique Industrielle Fortier et Fils inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 16 contacts → | ||||
Exact match “La société se spécialise dans le service de maintenance industrielle.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 15 contacts → | ||||
Exact match “Descimco est un entrepreneur spécialisé en mécanique dont les bureaux sont situés à Québec et à Laval.” 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 “petrochemical maintenance 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 199 petrochemical maintenance contractors based in Canada
See the full list, filter by size, metro and specialty, and access 1,103 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Petrochemical maintenance contractors based in Canada at a glance
As of Nov 6, 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 199 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 “petrochemical maintenance 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 1,103 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 “petrochemical maintenance contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many petrochemical maintenance contractors are there based in Canada?
RevenueBase identified 199 company matches for petrochemical maintenance contractors 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?
Stuart Olson INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most petrochemical maintenance contractors?
Edmonton leads with 18 company records, followed by Calgary (8) and Nisku (5).
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 1,103 professional contacts with verified work emails tracked across these 199 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 199 petrochemical maintenance contractors based in Canada. Start with a free account, no credit card.
Download this list →Related lists
Petrochemical maintenance contractors by geography
- Petrochemical maintenance contractors based in Dubai, United Arab Emirates
- Petrochemical maintenance contractors based in Houston, United States
- Petrochemical maintenance contractors based in Argentina
- Petrochemical maintenance contractors based in Australia
- Petrochemical maintenance contractors based in Belgium
- Petrochemical maintenance contractors based in Brazil
- Petrochemical maintenance contractors based in Chile
- Petrochemical maintenance contractors based in Colombia
- Petrochemical maintenance contractors based in Finland
- Petrochemical maintenance contractors based in France
- Petrochemical maintenance contractors based in Germany
- Petrochemical maintenance contractors based in India
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
- Petrochemical maintenance contractors based in Dubai, United Arab Emirates
- Petrochemical maintenance contractors based in Houston, United States
- Petrochemical maintenance contractors based in Argentina
- Petrochemical maintenance contractors based in Australia
- Petrochemical maintenance contractors based in Belgium
- Petrochemical maintenance contractors based in Brazil
Company intelligence · public preview
Top 25 petrochemical maintenance contractors 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 199 matching company records for petrochemical maintenance contractors based in Canada, with 4,377 tracked contacts and 1,103 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 petrochemical maintenance contractors 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 |  Stuart Olson INCstuartolson.comHQ: Calgary, AB, CanadaReported employees: 1,001-5,000 | Calgary, AB, Canada | 1,001-5,000 | Exact match | 905 contacts → |
“At Stuart Olson, we're not just dedicated to the Canadian construction and industrial services market – we're passionate about turning projects into success stories.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Flint Corpflintcorp.comHQ: Calgary, AB, CanadaReported employees: 1,001-5,000 | Calgary, AB, Canada | 1,001-5,000 | Exact match | 669 contacts → |
“FLINT is a leading provider for Maintenance & Turnarounds, Wear Technologies, Fabrication, Modularization & Machining, Facility Construction, Pipeline Installation & Integrity…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Nisku, AB, CanadaReported employees: 51-200 | Nisku, AB, Canada | 51-200 | Exact match | 222 contacts → |
“Melloy Industrial is a trusted leader in heavy industrial maintenance, turnarounds, project execution and fabrication services across Canada.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Lornevillelorneville.comHQ: Saint John, AB, CanadaReported employees: 501-1,000 | Saint John, AB, Canada | 501-1,000 | Exact match | 203 contacts → |
“With over 45 years of experience working on major projects for some of North America’s most prominent companies in large industrial sectors, Lorneville is an established leader in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Innovator Industrial Services INCinnovatorind.comHQ: Spruce Grove, NB, CanadaReported employees: 201-500 | Spruce Grove, NB, Canada | 201-500 | Exact match | 105 contacts → |
“Got questions or are interested in a particular service?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Groupe PMIgroupepmi.caHQ: Sherbrooke, QC, CanadaReported employees: 201-500 | Sherbrooke, QC, Canada | 201-500 | Exact match | 101 contacts → |
“Le Groupe PMI a pour mission de développer une offre de services complète pour la réalisation de projets industriels et de maintenance pour l'ensemble des industries primaires…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Lamsar INClamsar.comHQ: Corunna, ON, CanadaReported employees: 501-1,000 | Corunna, ON, Canada | 501-1,000 | Exact match | 84 contacts → |
“Established in 1979 LamSar Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Process Group INCprocessgroup.caHQ: Cambridge, ON, CanadaReported employees: 201-500 | Cambridge, ON, Canada | 201-500 | Exact match | 71 contacts → |
“Process Group Welcome to Industry's single source end-to-end supplier of engineering, procurement, construction and maintenance services to manufacturing plants, process equipment…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Carbonex Contractors LTDcarbonexcontractors.comHQ: Whitecourt, AB, CanadaReported employees: 501-1,000 | Whitecourt, AB, Canada | 501-1,000 | Exact match | 56 contacts → |
“At Carbonex, we strive to provide innovative and safe solutions for construction and maintenance that exceed client expectations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Catalyst Changers INCcatalystchangers.caHQ: Sundre, AB, CanadaReported employees: 51-200 | Sundre, AB, Canada | 51-200 | Exact match | 53 contacts → |
“Catalyst Changers has become a recognized go-to source for the Oil, Gas and Petro-chemical Industry when they need dependable Catalyst Changeover and Shutdown Maintenance Services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Mader Group Canadamadergroup.caHQ: Calgary, AB, CanadaReported employees: 51-200 | Calgary, AB, Canada | 51-200 | Exact match | 51 contacts → |
“Mader are heavy equipment maintenance experts delivering quality repairs, preventative maintenance and expert diagnostics.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Fluordriverfdindustrial.com HQ: Edmonton, AB, CanadaReported employees: 501-1,000 | Edmonton, AB, Canada | 501-1,000 | Exact match | 47 contacts → |
“Fluor Driver is a recognized leader in plant maintenance, turnarounds, small capital – and particularly safety – across Canada.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Lonestar West INClonestarwest.comHQ: Sylvan Lake, AB, CanadaReported employees: 201-500 | Sylvan Lake, AB, Canada | 201-500 | Exact match | 41 contacts → |
“Lonestar began operations in May of with just one vacuum truck and has since grown into a multi-service company diversifying to meet industry demand.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  LOK Energy Services INClokenergy.comHQ: Calgary, AB, CanadaReported employees: 51-200 | Calgary, AB, Canada | 51-200 | Exact match | 26 contacts → |
“Since 2001, LOK Energy Services specializes in field maintenance services for critical rotating machinery including steam and gas turbines, generators, and peripheral systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Anderson-Webb LTDandersonwebb.comHQ: Sarnia, CanadaReported employees: 11-50 | Sarnia, Canada | 11-50 | Exact match | 24 contacts → |
“At Anderson Webb, we take pride in being a key player in North America's mechanical contracting industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Train Energy Train Oilfield Servicestrainoil.caHQ: Didsbury, AB, CanadaReported employees: 51-200 | Didsbury, AB, Canada | 51-200 | Exact match | 22 contacts → |
“Train Energy Services Ltd, based in Didsbury, Alberta specializes in Industrial Services including: Facility Construction, Maintenance & Turnarounds, Line Abandonments and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  TES Group INCtesgroup.incHQ: Sherwood Park, AB, CanadaReported employees: 11-50 | Sherwood Park, AB, Canada | 11-50 | Exact match | 21 contacts → |
“TES Group Inc.(TES) is a unique full-solution provider and one-stop shop for industrial construction, maintenance and technical services for a range of steam, power, and process…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Cross Canada Millwright LTDccmillwright.caHQ: Nisku, AB, CanadaReported employees: 11-50 | Nisku, AB, Canada | 11-50 | Exact match | 19 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 |  Canadian Structural & Mechanical LTDcansam.comHQ: Sarnia Ontario, ON, CanadaReported employees: 201-500 | Sarnia Ontario, ON, Canada | 201-500 | Exact match | 18 contacts → |
“CSM is a full service Industrial Contractor.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Quality Millwrightqmillwright.comHQ: Edmonton, AB, CanadaReported employees: 11-50 | Edmonton, AB, Canada | 11-50 | Exact match | 18 contacts → |
“Alberta based company, proven to be a reputable and highly competent industrial services provider.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Option Construction Corpoptionconstruction.caHQ: Spruce Grove, AB, CanadaReported employees: 11-50 | Spruce Grove, AB, Canada | 11-50 | Exact match | 17 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 |  Mesures Calib-Tech INCmesurescalib-tech.comHQ: Montréal, QC, CanadaReported employees: 11-50 | Montréal, QC, Canada | 11-50 | Exact match | 17 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | Mécanique Industrielle Fortier ET Fils Miffmiffinc.com HQ: La Prairie, QC, CanadaReported employees: 51-200 | La Prairie, QC, Canada | 51-200 | Exact match | 17 contacts → |
“Mécanique Industrielle Fortier et Fils inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  FLM Pro-Mécanique INCflmpromecanique.comHQ: St-hyacinthe, QC, CanadaReported employees: 11-50 | St-hyacinthe, QC, Canada | 11-50 | Exact match | 16 contacts → |
“La société se spécialise dans le service de maintenance industrielle.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Descimcodescimco.ca HQ: Quebec, QC, CanadaReported employees: 51-200 | Quebec, QC, Canada | 51-200 | Exact match | 15 contacts → |
“Descimco est un entrepreneur spécialisé en mécanique dont les bureaux sont situés à Québec et à Laval.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 199 company matches
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Petrochemical maintenance 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
196 records in the displayed employee bands.
3 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 199 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 petrochemical maintenance 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 petrochemical maintenance contractors did RevenueBase find based in Canada?
The saved snapshot records 199 matching company records, 4,377 tracked contacts and 1,103 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
Petrochemical maintenance contractors by geography
- Petrochemical maintenance contractors based in Dubai, United Arab Emirates
- Petrochemical maintenance contractors based in Houston, United States
- Petrochemical maintenance contractors based in Argentina
- Petrochemical maintenance contractors based in Australia
- Petrochemical maintenance contractors based in Belgium
- Petrochemical maintenance contractors based in Brazil
- Petrochemical maintenance contractors based in Chile
- Petrochemical maintenance contractors based in Colombia
- Petrochemical maintenance contractors based in Finland
- Petrochemical maintenance contractors based in France
- Petrochemical maintenance contractors based in Germany
- Petrochemical maintenance contractors based in India
Cite this list
RevenueBase Data Team. Top 25 petrochemical maintenance contractors based in Canada. Snapshot: November 6, 2026. https://revenuebase.ai/companies/petrochemical-maintenance-contractors/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
- Petrochemical maintenance contractors based in Dubai, United Arab Emirates
- Petrochemical maintenance contractors based in Houston, United States
- Petrochemical maintenance contractors based in Argentina
- Petrochemical maintenance contractors based in Australia
- Petrochemical maintenance contractors based in Belgium
- Petrochemical maintenance contractors based in Brazil
Company intelligence · public preview
Top 25 petrochemical maintenance contractors based in Canada
RevenueBase records 199 matching company records for petrochemical maintenance contractors based in Canada, with 4,377 tracked contacts and 1,103 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 petrochemical maintenance contractors 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 | Stuart Olson INCstuartolson.com HQ: Calgary, AB, CanadaReported employees: 1,001-5,000 | Calgary, AB, Canada | 1,001-5,000 | Exact match | 905 contacts → |
“At Stuart Olson, we're not just dedicated to the Canadian construction and industrial services market – we're passionate about turning projects into success stories.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Flint Corpflintcorp.com HQ: Calgary, AB, CanadaReported employees: 1,001-5,000 | Calgary, AB, Canada | 1,001-5,000 | Exact match | 669 contacts → |
“FLINT is a leading provider for Maintenance & Turnarounds, Wear Technologies, Fabrication, Modularization & Machining, Facility Construction, Pipeline Installation & Integrity…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Nisku, AB, CanadaReported employees: 51-200 | Nisku, AB, Canada | 51-200 | Exact match | 222 contacts → |
“Melloy Industrial is a trusted leader in heavy industrial maintenance, turnarounds, project execution and fabrication services across Canada.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Lornevillelorneville.com HQ: Saint John, AB, CanadaReported employees: 501-1,000 | Saint John, AB, Canada | 501-1,000 | Exact match | 203 contacts → |
“With over 45 years of experience working on major projects for some of North America’s most prominent companies in large industrial sectors, Lorneville is an established leader in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Innovator Industrial Services INCinnovatorind.com HQ: Spruce Grove, NB, CanadaReported employees: 201-500 | Spruce Grove, NB, Canada | 201-500 | Exact match | 105 contacts → |
“Got questions or are interested in a particular service?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Groupe PMIgroupepmi.ca HQ: Sherbrooke, QC, CanadaReported employees: 201-500 | Sherbrooke, QC, Canada | 201-500 | Exact match | 101 contacts → |
“Le Groupe PMI a pour mission de développer une offre de services complète pour la réalisation de projets industriels et de maintenance pour l'ensemble des industries primaires…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Lamsar INClamsar.com HQ: Corunna, ON, CanadaReported employees: 501-1,000 | Corunna, ON, Canada | 501-1,000 | Exact match | 84 contacts → |
“Established in 1979 LamSar Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Process Group INCprocessgroup.ca HQ: Cambridge, ON, CanadaReported employees: 201-500 | Cambridge, ON, Canada | 201-500 | Exact match | 71 contacts → |
“Process Group Welcome to Industry's single source end-to-end supplier of engineering, procurement, construction and maintenance services to manufacturing plants, process equipment…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Carbonex Contractors LTDcarbonexcontractors.com HQ: Whitecourt, AB, CanadaReported employees: 501-1,000 | Whitecourt, AB, Canada | 501-1,000 | Exact match | 56 contacts → |
“At Carbonex, we strive to provide innovative and safe solutions for construction and maintenance that exceed client expectations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Catalyst Changers INCcatalystchangers.ca HQ: Sundre, AB, CanadaReported employees: 51-200 | Sundre, AB, Canada | 51-200 | Exact match | 53 contacts → |
“Catalyst Changers has become a recognized go-to source for the Oil, Gas and Petro-chemical Industry when they need dependable Catalyst Changeover and Shutdown Maintenance Services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Mader Group Canadamadergroup.ca HQ: Calgary, AB, CanadaReported employees: 51-200 | Calgary, AB, Canada | 51-200 | Exact match | 51 contacts → |
“Mader are heavy equipment maintenance experts delivering quality repairs, preventative maintenance and expert diagnostics.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Fluordriverfdindustrial.com HQ: Edmonton, AB, CanadaReported employees: 501-1,000 | Edmonton, AB, Canada | 501-1,000 | Exact match | 47 contacts → |
“Fluor Driver is a recognized leader in plant maintenance, turnarounds, small capital – and particularly safety – across Canada.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Lonestar West INClonestarwest.com HQ: Sylvan Lake, AB, CanadaReported employees: 201-500 | Sylvan Lake, AB, Canada | 201-500 | Exact match | 41 contacts → |
“Lonestar began operations in May of with just one vacuum truck and has since grown into a multi-service company diversifying to meet industry demand.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | LOK Energy Services INClokenergy.com HQ: Calgary, AB, CanadaReported employees: 51-200 | Calgary, AB, Canada | 51-200 | Exact match | 26 contacts → |
“Since 2001, LOK Energy Services specializes in field maintenance services for critical rotating machinery including steam and gas turbines, generators, and peripheral systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Anderson-Webb LTDandersonwebb.com HQ: Sarnia, CanadaReported employees: 11-50 | Sarnia, Canada | 11-50 | Exact match | 24 contacts → |
“At Anderson Webb, we take pride in being a key player in North America's mechanical contracting industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Train Energy Train Oilfield Servicestrainoil.ca HQ: Didsbury, AB, CanadaReported employees: 51-200 | Didsbury, AB, Canada | 51-200 | Exact match | 22 contacts → |
“Train Energy Services Ltd, based in Didsbury, Alberta specializes in Industrial Services including: Facility Construction, Maintenance & Turnarounds, Line Abandonments and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | TES Group INCtesgroup.inc HQ: Sherwood Park, AB, CanadaReported employees: 11-50 | Sherwood Park, AB, Canada | 11-50 | Exact match | 21 contacts → |
“TES Group Inc.(TES) is a unique full-solution provider and one-stop shop for industrial construction, maintenance and technical services for a range of steam, power, and process…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Cross Canada Millwright LTDccmillwright.ca HQ: Nisku, AB, CanadaReported employees: 11-50 | Nisku, AB, Canada | 11-50 | Exact match | 19 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | Canadian Structural & Mechanical LTDcansam.com HQ: Sarnia Ontario, ON, CanadaReported employees: 201-500 | Sarnia Ontario, ON, Canada | 201-500 | Exact match | 18 contacts → |
“CSM is a full service Industrial Contractor.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Quality Millwrightqmillwright.com HQ: Edmonton, AB, CanadaReported employees: 11-50 | Edmonton, AB, Canada | 11-50 | Exact match | 18 contacts → |
“Alberta based company, proven to be a reputable and highly competent industrial services provider.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Option Construction Corpoptionconstruction.ca HQ: Spruce Grove, AB, CanadaReported employees: 11-50 | Spruce Grove, AB, Canada | 11-50 | Exact match | 17 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | Mesures Calib-Tech INCmesurescalib-tech.com HQ: Montréal, QC, CanadaReported employees: 11-50 | Montréal, QC, Canada | 11-50 | Exact match | 17 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | Mécanique Industrielle Fortier ET Fils Miffmiffinc.com HQ: La Prairie, QC, CanadaReported employees: 51-200 | La Prairie, QC, Canada | 51-200 | Exact match | 17 contacts → |
“Mécanique Industrielle Fortier et Fils inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | FLM Pro-Mécanique INCflmpromecanique.com HQ: St-hyacinthe, QC, CanadaReported employees: 11-50 | St-hyacinthe, QC, Canada | 11-50 | Exact match | 16 contacts → |
“La société se spécialise dans le service de maintenance industrielle.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Descimcodescimco.ca HQ: Quebec, QC, CanadaReported employees: 51-200 | Quebec, QC, Canada | 51-200 | Exact match | 15 contacts → |
“Descimco est un entrepreneur spécialisé en mécanique dont les bureaux sont situés à Québec et à Laval.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 199 company matches
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Petrochemical maintenance 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
196 records in the displayed employee bands.
3 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 199 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 petrochemical maintenance 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 petrochemical maintenance contractors did RevenueBase find based in Canada?
The saved snapshot records 199 matching company records, 4,377 tracked contacts and 1,103 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
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Cite this list
RevenueBase Data Team. Top 25 petrochemical maintenance contractors based in Canada. Snapshot: November 6, 2026. https://revenuebase.ai/companies/petrochemical-maintenance-contractors/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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