Company lists · Data refreshed September 2026
Top 24 Construction unions based in Canada
RevenueBase identified 57 company matches for construction unions associated with Canada as of September 2026 and tracks 1,342 professional contacts across them, including 198 with verified work emails. Edmonton is the largest hub.
This list covers company matches for construction unions 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 September 16, 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 24 largest construction unions based in Canada
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 231 contacts → | ||||
Exact match “Local 793 of the International Union of Operating Engineers represents thousands of crane and heavy equipment operators and other skilled workers employed in all sectors of the…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 2 | 69 contacts → | ||||
Exact match “OpenCircle serves and supports construction workers and industry partners across Canada.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 3 | 60 contacts → | ||||
Exact match “International Union of Operating Engineers Local 115 is based in BC with offices in Burnaby, Nanaimo, Victoria, Kamloops, Prince George, and Sparwood.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 4 | 42 contacts → | ||||
Exact match “Exclusivement voué aux travailleurs et aux travailleuses de l’industrie de la construction, le SQC se fait une mission d’informer, de conseiller, de représenter et de défendre…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 5 | 39 contacts → | ||||
Exact match “The Atlantic Canada Regional Council of Carpenters, Millwrights, and Allied Workers is part of one of North America’s largest building-trades unions, with nearly half a million…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 6 | 37 contacts → | ||||
Exact match “We are a diverse union of over members including carpenters, carpenter apprentices, lathers, millwrights, floorlayers, piledrivers, industrial workers and many other construction…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 7 | 25 contacts → | ||||
Exact match “La FTQ-Construction a le mandat de négocier les conventions collectives applicables dans les sous secteurs d’activités (industriel, commercial et institutionnel, génie civil et…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 8 | 19 contacts → | ||||
Exact match “LiUNA 1611's members helped build B.C.'s roads, buildings, hydro-electric dams, gas pipelines, and mines.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 9 | 17 contacts → | ||||
Exact match “The Carpenters' Regional Council - Alberta office is based out of 15210 123 AVE, Edmonton, Alberta, Canada.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 10 | 16 contacts → | ||||
Exact match “OE987 represents 1400+ workers across Manitoba in Crane, Building, Construction, Equipment, Housing, Manufacturing, Healthcare, & Pipeline Industries.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 11 | 14 contacts → | ||||
Exact match “Canada’s Building Trades Unions (CBTU) is the national voice of over half a million Canadian construction workers-members of 14 international unions who work in more than 60…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 12 | 11 contacts → | ||||
Exact match “The Progressive Contractors Association of Canada (PCA) is the voice of progressive unionized employers in Canada’s construction industry.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 13 | 11 contacts → | ||||
Exact match “Local 527 has had a unique heritage in that it is the product of mergers of two other very fine Labourers’ locals.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 14 | 10 contacts → | ||||
Exact match “Nous sommes le plus important syndicat de la construction en Amérique du nord.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 15 | 8 contacts → | ||||
Exact match “The Provincial Building and Construction Trades Council of Ontario is the collective voice of construction workers across the province of Ontario” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 16 | 8 contacts → | ||||
Exact match “The Ontario Construction Secretariat (OCS) was formed in 1993 to represent the collective interests of the unionized construction industry in Ontario’s industrial, commercial and…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 17 | 8 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 18 | 7 contacts → | ||||
Exact match “Established in 1969, the Construction Labour Relations Association (CLR) of BC is an employers’ association representing unionized construction companies in labour relations…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 19 | 7 contacts → | ||||
Exact match “A non-profit that represents skilled trades men and women in the construction industry.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 20 | 5 contacts → | ||||
Exact match “Feel the Power.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 21 | 4 contacts → | ||||
Exact match “The GPMC/NMC is an alliance of International Building Trades Unions that negotiates and administers labour agreements tailored for maintenance work at industrial plants in Canada.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 22 | 3 contacts → | ||||
Exact match “Construction Labour Relations – An Alberta Association (CLRA) brings contractors, owners, and top-quality tradespeople together to build Alberta’s economy and secure a competitive…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 23 | 1 contacts → | ||||
Exact match “The Construction Industry Training Network (CITN) is a not-for-profit collaboration between contractors, associations, progressive unions and training institutes.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 24 | 1 contacts → | ||||
Exact match “Union representing painters, glaziers, drywall finishers, lathers, asbestos workers, and allied trades” Recorded in the RevenueBase company graph · Sep 16, 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 “construction unions”. 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 24 of 57 construction unions based in Canada
See the full list, filter by size, metro and specialty, and access 198 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Construction unions based in Canada at a glance
As of Sep 16, 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 57 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 “construction unions” 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 198 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 September 16, 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 “construction unions”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many construction unions are there based in Canada?
RevenueBase identified 57 company matches for construction unions associated with Canada as of September 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?
Iuoe Local 793 tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most construction unions?
Edmonton leads with 8 company records, followed by Burnaby (4) and Toronto (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 198 professional contacts with verified work emails tracked across these 57 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 September 16, 2026.
Ready to reach these companies? Verified emails and direct dials for all 57 construction unions based in Canada. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase 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
Company intelligence · public preview
Top 24 construction unions 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 57 matching company records for construction unions based in Canada, with 1,342 tracked contacts and 198 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 16, 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 24 construction unions 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 | Iuoe Local 793iuoelocal793.org HQ: Oakville, ON, CanadaReported employees: 201-500 | Oakville, ON, Canada | 201-500 | Exact match | 231 contacts → |
“Local 793 of the International Union of Operating Engineers represents thousands of crane and heavy equipment operators and other skilled workers employed in all sectors of the…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Opencircleopencircle.ca HQ: Edmonton, AB, CanadaReported employees: 11-50 | Edmonton, AB, Canada | 11-50 | Exact match | 69 contacts → |
“OpenCircle serves and supports construction workers and industry partners across Canada.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Iuoe Local 115iuoe115.ca HQ: Burnaby, BC, CanadaReported employees: 51-200 | Burnaby, BC, Canada | 51-200 | Exact match | 60 contacts → |
“International Union of Operating Engineers Local 115 is based in BC with offices in Burnaby, Nanaimo, Victoria, Kamloops, Prince George, and Sparwood.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Saint-hyacinthe, QC, CanadaReported employees: 51-200 | Saint-hyacinthe, QC, Canada | 51-200 | Exact match | 42 contacts → |
“Exclusivement voué aux travailleurs et aux travailleuses de l’industrie de la construction, le SQC se fait une mission d’informer, de conseiller, de représenter et de défendre…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Paradise, NL, CanadaReported employees: 51-200 | Paradise, NL, Canada | 51-200 | Exact match | 39 contacts → |
“The Atlantic Canada Regional Council of Carpenters, Millwrights, and Allied Workers is part of one of North America’s largest building-trades unions, with nearly half a million…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | CMAWcmaw.ca HQ: Vancouver, BC, CanadaReported employees: 11-50 | Vancouver, BC, Canada | 11-50 | Exact match | 37 contacts → |
“We are a diverse union of over members including carpenters, carpenter apprentices, lathers, millwrights, floorlayers, piledrivers, industrial workers and many other construction…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Ftq-Constructionftqconstruction.org HQ: Anjou, QC, CanadaReported employees: 11-50 | Anjou, QC, Canada | 11-50 | Exact match | 25 contacts → |
“La FTQ-Construction a le mandat de négocier les conventions collectives applicables dans les sous secteurs d’activités (industriel, commercial et institutionnel, génie civil et…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Liuna Local 1611liuna1611.org HQ: Surrey, BC, CanadaReported employees: Not recorded | Surrey, BC, Canada | Not recorded | Exact match | 19 contacts → |
“LiUNA 1611's members helped build B.C.'s roads, buildings, hydro-electric dams, gas pipelines, and mines.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Carpenters' Regional Council - Albertaalbertacarpenters.comHQ: Edmonton, AB, CanadaReported employees: 11-50 | Edmonton, AB, Canada | 11-50 | Exact match | 17 contacts → |
“The Carpenters' Regional Council - Alberta office is based out of 15210 123 AVE, Edmonton, Alberta, Canada.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Operating Engineers Of Manitoba Local 987oe987.mb.ca HQ: Winnipeg, MB, CanadaReported employees: 1,001-5,000 | Winnipeg, MB, Canada | 1,001-5,000 | Exact match | 16 contacts → |
“OE987 represents 1400+ workers across Manitoba in Crane, Building, Construction, Equipment, Housing, Manufacturing, Healthcare, & Pipeline Industries.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Canada's Building Trades Unionsbuildingtrades.ca HQ: Ottawa, ON, CanadaReported employees: Not recorded | Ottawa, ON, Canada | Not recorded | Exact match | 14 contacts → |
“Canada’s Building Trades Unions (CBTU) is the national voice of over half a million Canadian construction workers-members of 14 international unions who work in more than 60…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Edmonton, AB, CanadaReported employees: 11-50 | Edmonton, AB, Canada | 11-50 | Exact match | 11 contacts → |
“The Progressive Contractors Association of Canada (PCA) is the voice of progressive unionized employers in Canada’s construction industry.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Liuna Local 527&527aliunalocal527.com HQ: Nepean, ON, CanadaReported employees: 11-50 | Nepean, ON, Canada | 11-50 | Exact match | 11 contacts → |
“Local 527 has had a unique heritage in that it is the product of mergers of two other very fine Labourers’ locals.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Conseil Provincial Internationalcpqmci.org HQ: Anjou, QC, CanadaReported employees: 11-50 | Anjou, QC, Canada | 11-50 | Exact match | 10 contacts → |
“Nous sommes le plus important syndicat de la construction en Amérique du nord.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Provincial Building And Construction Trades Council Of Ontarioontariobuildingtrades.com HQ: Etobicoke, ON, CanadaReported employees: 11-50 | Etobicoke, ON, Canada | 11-50 | Exact match | 8 contacts → |
“The Provincial Building and Construction Trades Council of Ontario is the collective voice of construction workers across the province of Ontario” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Ontario Construction Secretariaticiconstruction.com HQ: Toronto, ON, CanadaReported employees: 1-10 | Toronto, ON, Canada | 1-10 | Exact match | 8 contacts → |
“The Ontario Construction Secretariat (OCS) was formed in 1993 to represent the collective interests of the unionized construction industry in Ontario’s industrial, commercial and…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Local 92 Labourerslocal92.com HQ: Edmonton, AB, CanadaReported employees: 51-200 | Edmonton, AB, Canada | 51-200 | Exact match | 8 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | HQ: New Westminster, BC, CanadaReported employees: 1-10 | New Westminster, BC, Canada | 1-10 | Exact match | 7 contacts → |
“Established in 1969, the Construction Labour Relations Association (CLR) of BC is an employers’ association representing unionized construction companies in labour relations…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Central Ontario Building Tradescobtrades.com HQ: Toronto, ON, CanadaReported employees: 1-10 | Toronto, ON, Canada | 1-10 | Exact match | 7 contacts → |
“A non-profit that represents skilled trades men and women in the construction industry.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Cswu Local 1611cswu1611.org HQ: Surrey, BC, CanadaReported employees: 11-50 | Surrey, BC, Canada | 11-50 | Exact match | 5 contacts → |
“Feel the Power.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | General Presidents' Maintenance Committee For Canada And National Maintenance Council For Canadagpmccanada.com HQ: Kitchener, ON, CanadaReported employees: 1-10 | Kitchener, ON, Canada | 1-10 | Exact match | 4 contacts → |
“The GPMC/NMC is an alliance of International Building Trades Unions that negotiates and administers labour agreements tailored for maintenance work at industrial plants in Canada.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Edmonton, AB, CanadaReported employees: 11-50 | Edmonton, AB, Canada | 11-50 | Exact match | 3 contacts → |
“Construction Labour Relations – An Alberta Association (CLRA) brings contractors, owners, and top-quality tradespeople together to build Alberta’s economy and secure a competitive…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Construction Industry Training Networktrainingnetwork.ca HQ: Burnaby, BC, CanadaReported employees: 1-10 | Burnaby, BC, Canada | 1-10 | Exact match | 1 contacts → |
“The Construction Industry Training Network (CITN) is a not-for-profit collaboration between contractors, associations, progressive unions and training institutes.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Burnaby, BC, CanadaReported employees: 1-10 | Burnaby, BC, Canada | 1-10 | Exact match | 1 contacts → |
“Union representing painters, glaziers, drywall finishers, lathers, asbestos workers, and allied trades” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 57 company matches
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Construction unions: dataset insights
September 16, 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
57 records in the displayed employee bands.
0 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 57 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: September 16, 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 construction unions?
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 construction unions did RevenueBase find based in Canada?
The saved snapshot records 57 matching company records, 1,342 tracked contacts and 198 verified emails. The public preview displays 24 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: September 16, 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
Construction unions by geography
Browse the directory
Cite this list
RevenueBase Data Team. Top 24 construction unions based in Canada. Snapshot: September 16, 2026. https://revenuebase.ai/companies/construction-unions/canada.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 24 construction unions based in Canada
RevenueBase records 57 matching company records for construction unions based in Canada, with 1,342 tracked contacts and 198 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 16, 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 24 construction unions 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 | Iuoe Local 793iuoelocal793.org HQ: Oakville, ON, CanadaReported employees: 201-500 | Oakville, ON, Canada | 201-500 | Exact match | 231 contacts → |
“Local 793 of the International Union of Operating Engineers represents thousands of crane and heavy equipment operators and other skilled workers employed in all sectors of the…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Opencircleopencircle.ca HQ: Edmonton, AB, CanadaReported employees: 11-50 | Edmonton, AB, Canada | 11-50 | Exact match | 69 contacts → |
“OpenCircle serves and supports construction workers and industry partners across Canada.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Iuoe Local 115iuoe115.ca HQ: Burnaby, BC, CanadaReported employees: 51-200 | Burnaby, BC, Canada | 51-200 | Exact match | 60 contacts → |
“International Union of Operating Engineers Local 115 is based in BC with offices in Burnaby, Nanaimo, Victoria, Kamloops, Prince George, and Sparwood.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Saint-hyacinthe, QC, CanadaReported employees: 51-200 | Saint-hyacinthe, QC, Canada | 51-200 | Exact match | 42 contacts → |
“Exclusivement voué aux travailleurs et aux travailleuses de l’industrie de la construction, le SQC se fait une mission d’informer, de conseiller, de représenter et de défendre…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Paradise, NL, CanadaReported employees: 51-200 | Paradise, NL, Canada | 51-200 | Exact match | 39 contacts → |
“The Atlantic Canada Regional Council of Carpenters, Millwrights, and Allied Workers is part of one of North America’s largest building-trades unions, with nearly half a million…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | CMAWcmaw.ca HQ: Vancouver, BC, CanadaReported employees: 11-50 | Vancouver, BC, Canada | 11-50 | Exact match | 37 contacts → |
“We are a diverse union of over members including carpenters, carpenter apprentices, lathers, millwrights, floorlayers, piledrivers, industrial workers and many other construction…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Ftq-Constructionftqconstruction.org HQ: Anjou, QC, CanadaReported employees: 11-50 | Anjou, QC, Canada | 11-50 | Exact match | 25 contacts → |
“La FTQ-Construction a le mandat de négocier les conventions collectives applicables dans les sous secteurs d’activités (industriel, commercial et institutionnel, génie civil et…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Liuna Local 1611liuna1611.org HQ: Surrey, BC, CanadaReported employees: Not recorded | Surrey, BC, Canada | Not recorded | Exact match | 19 contacts → |
“LiUNA 1611's members helped build B.C.'s roads, buildings, hydro-electric dams, gas pipelines, and mines.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Carpenters' Regional Council - Albertaalbertacarpenters.com HQ: Edmonton, AB, CanadaReported employees: 11-50 | Edmonton, AB, Canada | 11-50 | Exact match | 17 contacts → |
“The Carpenters' Regional Council - Alberta office is based out of 15210 123 AVE, Edmonton, Alberta, Canada.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Operating Engineers Of Manitoba Local 987oe987.mb.ca HQ: Winnipeg, MB, CanadaReported employees: 1,001-5,000 | Winnipeg, MB, Canada | 1,001-5,000 | Exact match | 16 contacts → |
“OE987 represents 1400+ workers across Manitoba in Crane, Building, Construction, Equipment, Housing, Manufacturing, Healthcare, & Pipeline Industries.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Canada's Building Trades Unionsbuildingtrades.ca HQ: Ottawa, ON, CanadaReported employees: Not recorded | Ottawa, ON, Canada | Not recorded | Exact match | 14 contacts → |
“Canada’s Building Trades Unions (CBTU) is the national voice of over half a million Canadian construction workers-members of 14 international unions who work in more than 60…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Edmonton, AB, CanadaReported employees: 11-50 | Edmonton, AB, Canada | 11-50 | Exact match | 11 contacts → |
“The Progressive Contractors Association of Canada (PCA) is the voice of progressive unionized employers in Canada’s construction industry.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Liuna Local 527&527aliunalocal527.com HQ: Nepean, ON, CanadaReported employees: 11-50 | Nepean, ON, Canada | 11-50 | Exact match | 11 contacts → |
“Local 527 has had a unique heritage in that it is the product of mergers of two other very fine Labourers’ locals.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Conseil Provincial Internationalcpqmci.org HQ: Anjou, QC, CanadaReported employees: 11-50 | Anjou, QC, Canada | 11-50 | Exact match | 10 contacts → |
“Nous sommes le plus important syndicat de la construction en Amérique du nord.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Provincial Building And Construction Trades Council Of Ontarioontariobuildingtrades.com HQ: Etobicoke, ON, CanadaReported employees: 11-50 | Etobicoke, ON, Canada | 11-50 | Exact match | 8 contacts → |
“The Provincial Building and Construction Trades Council of Ontario is the collective voice of construction workers across the province of Ontario” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Ontario Construction Secretariaticiconstruction.com HQ: Toronto, ON, CanadaReported employees: 1-10 | Toronto, ON, Canada | 1-10 | Exact match | 8 contacts → |
“The Ontario Construction Secretariat (OCS) was formed in 1993 to represent the collective interests of the unionized construction industry in Ontario’s industrial, commercial and…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Local 92 Labourerslocal92.com HQ: Edmonton, AB, CanadaReported employees: 51-200 | Edmonton, AB, Canada | 51-200 | Exact match | 8 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | HQ: New Westminster, BC, CanadaReported employees: 1-10 | New Westminster, BC, Canada | 1-10 | Exact match | 7 contacts → |
“Established in 1969, the Construction Labour Relations Association (CLR) of BC is an employers’ association representing unionized construction companies in labour relations…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Central Ontario Building Tradescobtrades.com HQ: Toronto, ON, CanadaReported employees: 1-10 | Toronto, ON, Canada | 1-10 | Exact match | 7 contacts → |
“A non-profit that represents skilled trades men and women in the construction industry.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Cswu Local 1611cswu1611.org HQ: Surrey, BC, CanadaReported employees: 11-50 | Surrey, BC, Canada | 11-50 | Exact match | 5 contacts → |
“Feel the Power.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | General Presidents' Maintenance Committee For Canada And National Maintenance Council For Canadagpmccanada.com HQ: Kitchener, ON, CanadaReported employees: 1-10 | Kitchener, ON, Canada | 1-10 | Exact match | 4 contacts → |
“The GPMC/NMC is an alliance of International Building Trades Unions that negotiates and administers labour agreements tailored for maintenance work at industrial plants in Canada.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Edmonton, AB, CanadaReported employees: 11-50 | Edmonton, AB, Canada | 11-50 | Exact match | 3 contacts → |
“Construction Labour Relations – An Alberta Association (CLRA) brings contractors, owners, and top-quality tradespeople together to build Alberta’s economy and secure a competitive…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Construction Industry Training Networktrainingnetwork.ca HQ: Burnaby, BC, CanadaReported employees: 1-10 | Burnaby, BC, Canada | 1-10 | Exact match | 1 contacts → |
“The Construction Industry Training Network (CITN) is a not-for-profit collaboration between contractors, associations, progressive unions and training institutes.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Burnaby, BC, CanadaReported employees: 1-10 | Burnaby, BC, Canada | 1-10 | Exact match | 1 contacts → |
“Union representing painters, glaziers, drywall finishers, lathers, asbestos workers, and allied trades” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 57 company matches
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Construction unions: dataset insights
September 16, 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
57 records in the displayed employee bands.
0 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 57 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: September 16, 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 construction unions?
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 construction unions did RevenueBase find based in Canada?
The saved snapshot records 57 matching company records, 1,342 tracked contacts and 198 verified emails. The public preview displays 24 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: September 16, 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
Construction unions by geography
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Cite this list
RevenueBase Data Team. Top 24 construction unions based in Canada. Snapshot: September 16, 2026. https://revenuebase.ai/companies/construction-unions/canada.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗