Company lists · Data refreshed September 2026

Top 25 Membership organizations based in the United States

RevenueBase identified 1,519 company matches for membership organizations associated with the United States as of September 2026 and tracks 31,804 professional contacts across them, including 5,177 with verified work emails. New York is the largest hub.

This list covers company matches for membership organizations associated with the United States, 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 20, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 20, 2026 How this list was built
1,519Companies
31,804Contacts tracked
5,177Verified emails
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The 25 largest membership organizations based in the United States

Ranked by team size
Top 25 of 1,519 company matches for membership organizations based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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 Sep 20, 20265,001-10,00012,030 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchDallas, TX, United StatesHQ recorded Sep 20, 2026n/a1,080 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchChicago, IL, United StatesHQ recorded Sep 20, 2026501-1,000720 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 · Sep 20, 2026 · View company records in RevenueBase
4Exact matchWashington, DC, United StatesHQ recorded Sep 20, 2026501-1,000693 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchMilwaukee, WI, United StatesHQ recorded Sep 20, 2026201-500543 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 · Sep 20, 2026 · View company records in RevenueBase
6Exact matchNew York, NY, United StatesHQ recorded Sep 20, 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 · Sep 20, 2026 · View company records in RevenueBase
7Exact matchNew York, NY, United StatesHQ recorded Sep 20, 2026n/a422 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 · Sep 20, 2026 · View company records in RevenueBase
8Exact matchMclean, VA, United StatesHQ recorded Sep 20, 2026201-500384 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 · Sep 20, 2026 · View company records in RevenueBase
9Exact matchNew York, NY, United StatesHQ recorded Sep 20, 202651-200375 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchNashville, TN, United StatesHQ recorded Sep 20, 2026n/a250 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 · Sep 20, 2026 · View company records in RevenueBase
11Exact matchWashington, DC, United StatesHQ recorded Sep 20, 202610001+249 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 · Sep 20, 2026 · View company records in RevenueBase
12Exact matchRemote, United StatesHQ recorded Sep 20, 202651-200245 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 · Sep 20, 2026 · View company records in RevenueBase
13Exact matchWakefield, MA, United StatesHQ recorded Sep 20, 2026201-500181 contacts →

Exact match

“Virtual is a top provider of professional services for associations, consortia and other membership-based organizations, delivering tailored management solutions that drive…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchChicago, IL, United StatesHQ recorded Sep 20, 202651-200176 contacts →

Exact match

“Business events move the world forward.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchDover, DE, United StatesHQ recorded Sep 20, 202651-200172 contacts →

Exact match

“GrowthZone delivers a full suite of solutions built for member-based organizations.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchDallas, TX, United StatesHQ recorded Sep 20, 202651-200158 contacts →

Exact match

“One of the most stable and well-established companies in the Metroplex, PCI is proud to be voted the #1 Midsize Place to Work for 2015 in both The Dallas Morning News and Texas…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchDanville, CA, United StatesHQ recorded Sep 20, 2026201-500156 contacts →

Exact match

“There has never been a better opportunity to join the Club at Blackhawk!”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchBloomington, MN, United StatesHQ recorded Sep 20, 202651-200150 contacts →

Exact match

“With a solution to every business problem, Nexstar is a member-owned organization that drives business growth and development through continued education and the sharing of ideas.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchWashington, DC, United StatesHQ recorded Sep 20, 202651-200144 contacts →

Exact match

“ASAE is the essential organization for association management, representing both organizations and individual association professionals.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchAlexandria, VA, United StatesHQ recorded Sep 20, 202611-50138 contacts →

Exact match

“Founded in 1927, the Club Management Association of America (CMAA) is the largest professional association for managers of membership clubs with 8,700 members throughout the US…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchFalls Church, VA, United StatesHQ recorded Sep 20, 202651-200135 contacts →

Exact match

“Community Associations Institute (CAI) is an international membership organization dedicated to advancing excellence in the governance, management, and quality of life of…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchMclean, VA, United StatesHQ recorded Sep 20, 202611-50128 contacts →

Exact match

“HSMAI is a global organization of sales, marketing, and revenue management professionals representing all segments of the hospitality industry.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchBoston, MA, United StatesHQ recorded Sep 20, 202611-50128 contacts →

Exact match

“Forbes Councils is a collective of vetted professional networking communities for senior executives and business owners in a variety of industries.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchPortland, ME, United StatesHQ recorded Sep 20, 2026n/a126 contacts →

Exact match

“Proprietor's work supporting very small businesses in ownership transition has moved to the CEI Business Legacy Lab where we help existing businesses transfer to the next…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchWayland, MA, United StatesHQ recorded Sep 20, 202651-200122 contacts →

Exact match

“iPROMOTEu’s mission is to be the best economic and lifestyle opportunity for promotional products distributors and salespeople.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 1,519 membership organizations based in the United States

See the full list, filter by size, metro and specialty, and access 5,177 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Membership organizations based in the United States at a glance

As of Sep 20, 2026
16.3%Verified-email coverage
20.9Average contacts per company
1-10Median size (employees)
3.8%Largest-city concentration · New York
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
850
11-50
373
51-200
178
201-500
70
501-1,000
18
1,001-5,000
17
5,001-10,000
4
10001+
7

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,519 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 the United States 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. 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 5,177 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 20, 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 “membership organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many membership organizations are there based in the United States?

RevenueBase identified 1,519 company matches for membership organizations associated with the United States 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?

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

Which city has the most membership organizations?

New York leads with 57 company records, followed by Chicago (35) and Washington (29).

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 5,177 professional contacts with verified work emails tracked across these 1,519 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 20, 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.