Company lists · Data refreshed November 2026

Top 25 Membership organizations worldwide

RevenueBase identified 4,432 company matches for membership organizations worldwide as of November 2026 and tracks 62,730 professional contacts across them, including 11,730 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for membership organizations 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 membership organizations 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
4,432Companies
62,730Contacts tracked
11,730Verified emails
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The 25 largest membership organizations worldwide

Ranked by team size
Top 25 of 4,432 company matches for membership organizations worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchCoppell, TX, United StatesHQ recorded Nov 6, 20265,001-10,00012,707 contacts →

Exact match

“Our mission is to Save Lives, Create Member Value and Deliver Exceptional Experiences.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchWest Perth, AustraliaHQ recorded Nov 6, 20261,001-5,0001,546 contacts →

Exact match

“At RAC we offer career opportunities that will allow you to give back and make a difference to our members and the WA community.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchDallas, TX, United StatesHQ recorded Nov 6, 2026n/a1,113 contacts →

Exact match

“Meeting Professionals International (MPI) is the largest meeting and event industry association worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchMelbourne, AustraliaHQ recorded Nov 6, 2026501-1,0001,037 contacts →

Exact match

“PKF is a global community where dynamic business and wealth advisors can belong, grow, and thrive.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchEdmotnon, AB, CanadaHQ recorded Nov 6, 2026n/a975 contacts →

Exact match

“The Canadian Organization of Campus Activities, better known by its acronym COCA, repre-sents more than 60 post-secondary institutions from Vancouver to St.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchChicago, IL, United StatesHQ recorded Nov 6, 2026501-1,000754 contacts →

Exact match

“Associations help industries, fields and professions stay current and connected for the members and communities who depend on them.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchWashington, DC, United StatesHQ recorded Nov 6, 2026501-1,000740 contacts →

Exact match

“The Chamber of Commerce of the United States is the world’s largest business organization.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchBelo Horizonte, BrazilHQ recorded Nov 6, 2026501-1,000662 contacts →

Exact match

“Olá!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchNeu-isenburg, GermanyHQ recorded Nov 6, 20261,001-5,000635 contacts →

Exact match

“Wir sind Wirtschaftsprüfungs, Betreuungs- und Beratungsverband für rund 2.600 Genossenschaften in 14 Bundesländern.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchVerona, ItalyHQ recorded Nov 6, 20265,001-10,000631 contacts →

Exact match

“Doc Servizi unisce tutti coloro che condividono l'amore per l'arte, lo spettacolo, la cultura, il benessere e la conoscenza.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBelo Horizonte, BrazilHQ recorded Nov 6, 2026201-500586 contacts →

Exact match

“Orgulho em ser associação.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMilwaukee, WI, United StatesHQ recorded Nov 6, 2026201-500549 contacts →

Exact match

“EDI is a top company in association management, providing professional services for national and international medical, certification, and scientific associations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026n/a491 contacts →

Exact match

“PRSA is where communicators stay ahead of what's actually landing on our desks: AI, crisis, misinformation, and reputation management.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026n/a438 contacts →

Exact match

“As the profession’s oldest and largest professional membership organization for design-with 72 chapters and more than members-we advance design as a professional craft, strategic…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchDublin, IrelandHQ recorded Nov 6, 2026201-500426 contacts →

Exact match

“Ibec is Ireland’s largest lobby and business representative group.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMclean, MB, United StatesHQ recorded Nov 6, 2026201-500394 contacts →

Exact match

“Naylor Association Solutions empowers associations to achieve success through innovative association tools and services for strengthening member engagement and increasing non-dues…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202651-200394 contacts →

Exact match

“ICSC is the member organization for the advancement of the Marketplaces Industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSao Paulo, BrazilHQ recorded Nov 6, 20261,001-5,000331 contacts →

Exact match

“A Rede Construir é uma rede associativa do ramo do varejo de material de construção, que busca através da união de iniciativas, troca de experiências e boas práticas…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchOslo, NorwayHQ recorded Nov 6, 202651-200289 contacts →

Exact match

“8 av 10 nordmenn har sin arbeidsplass i handels- og tjenestenæringen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchWashington, DC, United StatesHQ recorded Nov 6, 202610001+264 contacts →

Exact match

“The Events Industry Council (EIC)’s more than 30 member organizations represent more than 103,500 individuals and 19,500 firms and properties involved in the meetings, conventions…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchAmsterdam, NetherlandsHQ recorded Nov 6, 2026n/a261 contacts →

Exact match

“Our mission is to strengthen architectural firms that add value to client and society on promising markets.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchNashville, TN, United StatesHQ recorded Nov 6, 2026n/a258 contacts →

Exact match

“The Music Business Association (Music Biz) is a non-profit membership organization that advances and promotes music commerce, a community committed to the full spectrum of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchMelbourne, AustraliaHQ recorded Nov 6, 2026201-500216 contacts →

Exact match

“The Victorian Chamber of Commerce and Industry is the largest and most influential not-for-profit business organisation in Victoria, informing and supporting our members, clients…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchKnaresborough, United KingdomHQ recorded Nov 6, 202651-200211 contacts →

Exact match

“As a nationwide Network, we offer independent brokers a range of impeccably-led services that are proven to improve market presence and generate healthy profit.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchRemote, United StatesHQ recorded Nov 6, 202651-200208 contacts →

Exact match

“We're the confidential, vendor‑free membership organization for people leading social media at the world's biggest companies.”

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

Showing 25 of 4,432 membership organizations worldwide

See the full list, filter by size, metro and specialty, and access 11,730 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Membership organizations worldwide at a glance

As of Nov 6, 2026
18.7%Verified-email coverage
14.2Average contacts per company
1-10Median size (employees)
2.1%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
2,482
11-50
1,144
51-200
454
201-500
171
501-1,000
52
1,001-5,000
51
5,001-10,000
12
10001+
21

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 membership organizations are linked below.
What qualifies
Company records worldwide whose business descriptions match “membership organizations” 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 11,730 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.

Membership organizations by location

23 lists · largest first

Every Membership organizations list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “membership organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many membership organizations are there worldwide?

RevenueBase identified 4,432 company matches for membership organizations 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?

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

Which country has the most membership organizations?

The United States leads with 1,467 companies, followed by the United Kingdom (342) and France (251). Every membership organizations list by country and city is linked on this page.

Which city has the most membership organizations?

London leads with 91 company records, followed by New York (58) and Paris (45).

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 11,730 professional contacts with verified work emails tracked across these 4,432 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.

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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.