Company lists · Data refreshed November 2026
Top 25 Labor unions worldwide
RevenueBase identified 414 company matches for labor unions worldwide as of November 2026 and tracks 28,111 professional contacts across them, including 5,067 with verified work emails. The United States is the largest market and Paris the largest hub.
This list covers company matches for labor unions worldwide, 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. Country and city lists for labor unions follow the table.
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 labor unions worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 9,689 contacts → | ||||
Exact match “The IBEW represents 901,831 active.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 1,590 contacts → | ||||
Exact match “HK er en af Danmarks største fagforeninger med næsten medlemmer, der arbejder inden for bl.a.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 1,220 contacts → | ||||
Exact match “3F er Danmarks største fagforening med over medlemmer.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 1,204 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 1,142 contacts → | ||||
Exact match “Unite is Britain's biggest union with 1.5 million members in every type of workplace Unite is the union for the 21st century.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 1,094 contacts → | ||||
Exact match “The Teamsters are one of North America’s largest, most diverse unions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 1,032 contacts → | ||||
Exact match “AFSCME is the nation’s largest and fastest growing public services employees union.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 706 contacts → | ||||
Exact match “GMB is a trade union that represents all workers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 669 contacts → | ||||
Exact match “Gute Arbeitsbedingungen, faire Entlohnung, berufliche Perspektiven, sichere Arbeitsplätze, Mitbestimmung und Demokratie: Das sind die Ziele, die die IG Metall verfolgt.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 619 contacts → | ||||
Exact match “32BJ SEIU is the largest property service workers union in the country, representing more than office cleaners, security officers, doormen, porters, maintenance workers, bus…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 602 contacts → | ||||
Exact match “The AFT is a union of professionals that champions fairness; democracy; economic opportunity; and high-quality public education, healthcare and public services for our students…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 509 contacts → | ||||
Exact match “With around members, Unia is the largest trade union in Switzerland.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 334 contacts → | ||||
Exact match “Fagforeningen Delta har medlemmer i alle deler av arbeidslivet, både i offentlig tjenesteyting og i private virksomheter.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 314 contacts → | ||||
Exact match “Wir sind eine starke Gemeinschaft und zählen mit mehr als Mitgliedern zu den größten Gewerkschaften in Deutschland.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 263 contacts → | ||||
Exact match “Our union is workers across the country from more than 45 industries and all walks of life, standing together to make a difference.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 258 contacts → | ||||
Exact match “UTEDYC significa: Unión Trabajadores de Entidades Deportivas y Civiles.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 239 contacts → | ||||
Exact match “La CSQ regroupe du personnel enseignant, professionnel et de soutien des commissions scolaires, des cégeps et des universités, des intervenantes en services de garde, des…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 225 contacts → | ||||
Exact match “Unifor is a Canadian union with members in every sector across the country.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 219 contacts → | ||||
Exact match “Le syndicat qui regroupe les salariés (actifs, apprentis, chômeurs et retraités) au-delà de leurs choix politiques, religieux ou philosophiques pour représenter leurs intérêts…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 161 contacts → | ||||
Exact match “Julkisten ja hyvinvointialojen liitto on Suomen monipuolisin ammattiliitto.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 145 contacts → | ||||
Exact match “Fellesforbundet er Norges største fagforbund i privat sektor og i LO, med over 170 medlemmer.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 123 contacts → | ||||
Exact match “The Community and Public Sector Union (CPSU), represents thousands of members across the country, working predominantly in the public sector.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 119 contacts → | ||||
Exact match “The National Treasury Employees Union (NTEU) is the largest independent federal employees union, representing workers in 37 agencies and departments across the country.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 113 contacts → | ||||
Exact match “We are an organization of more than people who, by joining together, are achieving what we cannot accomplish alone.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 105 contacts → | ||||
Exact match “Trade union De Unie is your partner, motivating, facilitating, and supporting you in making choices about your interests regarding work and income.” 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 “labor 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 25 of 414 labor unions worldwide
See the full list, filter by size, metro and specialty, and access 5,067 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Labor unions worldwide at a glance
As of Nov 6, 2026Companies by employee count
Email recency is reported on each country list linked below.
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.
- Coverage
- Every country. Country and city lists for labor unions are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “labor 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. 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 5,067 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.
Labor unions by location
2 lists · largest firstEvery Labor unions list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
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 “labor unions”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many labor unions are there worldwide?
RevenueBase identified 414 company matches for labor unions worldwide 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?
International Brotherhood Of Electrical Workers Ibew tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most labor unions?
The United States leads with 123 companies, followed by Canada (30). Every labor unions list by country and city is linked on this page.
Which city has the most labor unions?
Paris leads with 11 company records, followed by Washington (8) and Oslo (6).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 5,067 professional contacts with verified work emails tracked across these 414 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 414 labor unions worldwide. 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 25 labor unions worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 414 matching company records for labor unions worldwide, with 28,111 tracked contacts and 5,067 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 labor unions worldwide
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 | HQ: Washington, DC, United StatesReported employees: 10001+ | Washington, DC, United States | 10001+ | Exact match | 9,689 contacts → |
“The IBEW represents 901,831 active.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  HKhk.dkHQ: København S, DenmarkReported employees: 1,001-5,000 | København S, Denmark | 1,001-5,000 | Exact match | 1,590 contacts → |
“HK er en af Danmarks største fagforeninger med næsten medlemmer, der arbejder inden for bl.a.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: København V, DenmarkReported employees: 1,001-5,000 | København V, Denmark | 1,001-5,000 | Exact match | 1,220 contacts → |
“3F er Danmarks største fagforening med over medlemmer.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  LIUNAliuna.orgHQ: Washington, DC, United StatesReported employees: 10001+ | Washington, DC, United States | 10001+ | Exact match | 1,204 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 5 |  Unite The Unionunitetheunion.orgHQ: United KingdomReported employees: 1,001-5,000 | United Kingdom | 1,001-5,000 | Exact match | 1,142 contacts → |
“Unite is Britain's biggest union with 1.5 million members in every type of workplace Unite is the union for the 21st century.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  International Brotherhood Of Teamstersteamster.orgHQ: Washington, DC, United StatesReported employees: 501-1,000 | Washington, DC, United States | 501-1,000 | Exact match | 1,094 contacts → |
“The Teamsters are one of North America’s largest, most diverse unions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Afscmeafscme.orgHQ: Washington, DC, United StatesReported employees: 501-1,000 | Washington, DC, United States | 501-1,000 | Exact match | 1,032 contacts → |
“AFSCME is the nation’s largest and fastest growing public services employees union.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  GMBgmb.org.ukHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 706 contacts → |
“GMB is a trade union that represents all workers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  IG Metalligmetall.deHQ: Frankfurt, GermanyReported employees: 5,001-10,000 | Frankfurt, Germany | 5,001-10,000 | Exact match | 669 contacts → |
“Gute Arbeitsbedingungen, faire Entlohnung, berufliche Perspektiven, sichere Arbeitsplätze, Mitbestimmung und Demokratie: Das sind die Ziele, die die IG Metall verfolgt.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  32bj Seiuseiu32bj.orgHQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 619 contacts → |
“32BJ SEIU is the largest property service workers union in the country, representing more than office cleaners, security officers, doormen, porters, maintenance workers, bus…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  AFTaft.orgHQ: Washington, DC, United StatesReported employees: 201-500 | Washington, DC, United States | 201-500 | Exact match | 602 contacts → |
“The AFT is a union of professionals that champions fairness; democracy; economic opportunity; and high-quality public education, healthcare and public services for our students…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Unia Trade Unionunia.chHQ: Bern, SwitzerlandReported employees: 1,001-5,000 | Bern, Switzerland | 1,001-5,000 | Exact match | 509 contacts → |
“With around members, Unia is the largest trade union in Switzerland.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  DELTAdelta.noHQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 334 contacts → |
“Fagforeningen Delta har medlemmer i alle deler av arbeidslivet, både i offentlig tjenesteyting og i private virksomheter.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Industriegewerkschaft Igbceigbce.deHQ: Hanover, GermanyReported employees: 501-1,000 | Hanover, Germany | 501-1,000 | Exact match | 314 contacts → |
“Wir sind eine starke Gemeinschaft und zählen mit mehr als Mitgliedern zu den größten Gewerkschaften in Deutschland.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  United Workers Unionunitedworkers.org.auHQ: Mile End, CanadaReported employees: 501-1,000 | Mile End, Canada | 501-1,000 | Exact match | 263 contacts → |
“Our union is workers across the country from more than 45 industries and all walks of life, standing together to make a difference.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Utedycutedyc.org.arHQ: Caba, IndiaReported employees: 501-1,000 | Caba, India | 501-1,000 | Exact match | 258 contacts → |
“UTEDYC significa: Unión Trabajadores de Entidades Deportivas y Civiles.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Centrale DES Syndicats DU Québeclacsq.orgHQ: Québec, QC, CanadaReported employees: 201-500 | Québec, QC, Canada | 201-500 | Exact match | 239 contacts → |
“La CSQ regroupe du personnel enseignant, professionnel et de soutien des commissions scolaires, des cégeps et des universités, des intervenantes en services de garde, des…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Unifor Nationalunifor.orgHQ: Toronto, ON, CanadaReported employees: 10001+ | Toronto, ON, Canada | 10001+ | Exact match | 225 contacts → |
“Unifor is a Canadian union with members in every sector across the country.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Force Ouvrièreforce-ouvriere.frHQ: Paris, FranceReported employees: 201-500 | Paris, France | 201-500 | Exact match | 219 contacts → |
“Le syndicat qui regroupe les salariés (actifs, apprentis, chômeurs et retraités) au-delà de leurs choix politiques, religieux ou philosophiques pour représenter leurs intérêts…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Ammattiliitto JHLjhl.fiHQ: Helsinki, FinlandReported employees: 201-500 | Helsinki, Finland | 201-500 | Exact match | 161 contacts → |
“Julkisten ja hyvinvointialojen liitto on Suomen monipuolisin ammattiliitto.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Fellesforbundetfellesforbundet.noHQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 145 contacts → |
“Fellesforbundet er Norges største fagforbund i privat sektor og i LO, med over 170 medlemmer.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Haymarket, AustraliaReported employees: 201-500 | Haymarket, Australia | 201-500 | Exact match | 123 contacts → |
“The Community and Public Sector Union (CPSU), represents thousands of members across the country, working predominantly in the public sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 119 contacts → |
“The National Treasury Employees Union (NTEU) is the largest independent federal employees union, representing workers in 37 agencies and departments across the country.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Seiu Local 503seiu503.orgHQ: Salem, OR, United StatesReported employees: 51-200 | Salem, OR, United States | 51-200 | Exact match | 113 contacts → |
“We are an organization of more than people who, by joining together, are achieving what we cannot accomplish alone.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  DE Unieunie.nlHQ: Culemborg, NetherlandsReported employees: 51-200 | Culemborg, Netherlands | 51-200 | Exact match | 105 contacts → |
“Trade union De Unie is your partner, motivating, facilitating, and supporting you in making choices about your interests regarding work and income.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 414 company matches
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Labor unions: 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
405 records in the displayed employee bands.
9 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 414 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 ↗
Labor unions by location
2 lists · largest firstEvery Labor unions list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for labor 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 labor unions did RevenueBase find worldwide?
The saved snapshot records 414 matching company records, 28,111 tracked contacts and 5,067 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 labor unions worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/labor-unions.
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 25 labor unions worldwide
RevenueBase records 414 matching company records for labor unions worldwide, with 28,111 tracked contacts and 5,067 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 labor unions worldwide
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 | HQ: Washington, DC, United StatesReported employees: 10001+ | Washington, DC, United States | 10001+ | Exact match | 9,689 contacts → |
“The IBEW represents 901,831 active.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HKhk.dk HQ: København S, DenmarkReported employees: 1,001-5,000 | København S, Denmark | 1,001-5,000 | Exact match | 1,590 contacts → |
“HK er en af Danmarks største fagforeninger med næsten medlemmer, der arbejder inden for bl.a.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: København V, DenmarkReported employees: 1,001-5,000 | København V, Denmark | 1,001-5,000 | Exact match | 1,220 contacts → |
“3F er Danmarks største fagforening med over medlemmer.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | LIUNAliuna.org HQ: Washington, DC, United StatesReported employees: 10001+ | Washington, DC, United States | 10001+ | Exact match | 1,204 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 5 | Unite The Unionunitetheunion.org HQ: United KingdomReported employees: 1,001-5,000 | United Kingdom | 1,001-5,000 | Exact match | 1,142 contacts → |
“Unite is Britain's biggest union with 1.5 million members in every type of workplace Unite is the union for the 21st century.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | International Brotherhood Of Teamstersteamster.org HQ: Washington, DC, United StatesReported employees: 501-1,000 | Washington, DC, United States | 501-1,000 | Exact match | 1,094 contacts → |
“The Teamsters are one of North America’s largest, most diverse unions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Afscmeafscme.org HQ: Washington, DC, United StatesReported employees: 501-1,000 | Washington, DC, United States | 501-1,000 | Exact match | 1,032 contacts → |
“AFSCME is the nation’s largest and fastest growing public services employees union.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | GMBgmb.org.uk HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 706 contacts → |
“GMB is a trade union that represents all workers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | IG Metalligmetall.de HQ: Frankfurt, GermanyReported employees: 5,001-10,000 | Frankfurt, Germany | 5,001-10,000 | Exact match | 669 contacts → |
“Gute Arbeitsbedingungen, faire Entlohnung, berufliche Perspektiven, sichere Arbeitsplätze, Mitbestimmung und Demokratie: Das sind die Ziele, die die IG Metall verfolgt.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | 32bj Seiuseiu32bj.org HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 619 contacts → |
“32BJ SEIU is the largest property service workers union in the country, representing more than office cleaners, security officers, doormen, porters, maintenance workers, bus…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | AFTaft.org HQ: Washington, DC, United StatesReported employees: 201-500 | Washington, DC, United States | 201-500 | Exact match | 602 contacts → |
“The AFT is a union of professionals that champions fairness; democracy; economic opportunity; and high-quality public education, healthcare and public services for our students…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Unia Trade Unionunia.ch HQ: Bern, SwitzerlandReported employees: 1,001-5,000 | Bern, Switzerland | 1,001-5,000 | Exact match | 509 contacts → |
“With around members, Unia is the largest trade union in Switzerland.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | DELTAdelta.no HQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 334 contacts → |
“Fagforeningen Delta har medlemmer i alle deler av arbeidslivet, både i offentlig tjenesteyting og i private virksomheter.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Industriegewerkschaft Igbceigbce.de HQ: Hanover, GermanyReported employees: 501-1,000 | Hanover, Germany | 501-1,000 | Exact match | 314 contacts → |
“Wir sind eine starke Gemeinschaft und zählen mit mehr als Mitgliedern zu den größten Gewerkschaften in Deutschland.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | United Workers Unionunitedworkers.org.au HQ: Mile End, CanadaReported employees: 501-1,000 | Mile End, Canada | 501-1,000 | Exact match | 263 contacts → |
“Our union is workers across the country from more than 45 industries and all walks of life, standing together to make a difference.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Utedycutedyc.org.ar HQ: Caba, IndiaReported employees: 501-1,000 | Caba, India | 501-1,000 | Exact match | 258 contacts → |
“UTEDYC significa: Unión Trabajadores de Entidades Deportivas y Civiles.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Centrale DES Syndicats DU Québeclacsq.org HQ: Québec, QC, CanadaReported employees: 201-500 | Québec, QC, Canada | 201-500 | Exact match | 239 contacts → |
“La CSQ regroupe du personnel enseignant, professionnel et de soutien des commissions scolaires, des cégeps et des universités, des intervenantes en services de garde, des…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Unifor Nationalunifor.org HQ: Toronto, ON, CanadaReported employees: 10001+ | Toronto, ON, Canada | 10001+ | Exact match | 225 contacts → |
“Unifor is a Canadian union with members in every sector across the country.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Force Ouvrièreforce-ouvriere.fr HQ: Paris, FranceReported employees: 201-500 | Paris, France | 201-500 | Exact match | 219 contacts → |
“Le syndicat qui regroupe les salariés (actifs, apprentis, chômeurs et retraités) au-delà de leurs choix politiques, religieux ou philosophiques pour représenter leurs intérêts…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Ammattiliitto JHLjhl.fi HQ: Helsinki, FinlandReported employees: 201-500 | Helsinki, Finland | 201-500 | Exact match | 161 contacts → |
“Julkisten ja hyvinvointialojen liitto on Suomen monipuolisin ammattiliitto.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Fellesforbundetfellesforbundet.no HQ: Oslo, NorwayReported employees: 51-200 | Oslo, Norway | 51-200 | Exact match | 145 contacts → |
“Fellesforbundet er Norges største fagforbund i privat sektor og i LO, med over 170 medlemmer.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Haymarket, AustraliaReported employees: 201-500 | Haymarket, Australia | 201-500 | Exact match | 123 contacts → |
“The Community and Public Sector Union (CPSU), represents thousands of members across the country, working predominantly in the public sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 119 contacts → |
“The National Treasury Employees Union (NTEU) is the largest independent federal employees union, representing workers in 37 agencies and departments across the country.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Seiu Local 503seiu503.org HQ: Salem, OR, United StatesReported employees: 51-200 | Salem, OR, United States | 51-200 | Exact match | 113 contacts → |
“We are an organization of more than people who, by joining together, are achieving what we cannot accomplish alone.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | DE Unieunie.nl HQ: Culemborg, NetherlandsReported employees: 51-200 | Culemborg, Netherlands | 51-200 | Exact match | 105 contacts → |
“Trade union De Unie is your partner, motivating, facilitating, and supporting you in making choices about your interests regarding work and income.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Labor unions: 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
405 records in the displayed employee bands.
9 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 414 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 ↗
Labor unions by location
2 lists · largest firstEvery Labor unions list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for labor 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 labor unions did RevenueBase find worldwide?
The saved snapshot records 414 matching company records, 28,111 tracked contacts and 5,067 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 labor unions worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/labor-unions.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗