Company lists · Data refreshed September 2026

Top 25 Professional associations based in the United States

Name: Professional associations based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 1,494 companies tracked

RevenueBase identified 1,494 company matches for professional associations associated with the United States as of September 2026 and tracks 23,824 professional contacts across them, including 5,086 with verified work emails. New York is the largest hub.

This list covers company matches for professional associations 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

1,494Companies

23,824Contacts tracked

5,086Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest professional associations based in the United States

Ranked by team size

Top 25 of 1,494 company matches for professional associations 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	American Dental Association	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	201-500	1,154 contacts →
	Exact match “The not-for-profit American Dental Association (ADA) is America's leading advocate for oral health.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2	Health Care Compliance Association Hcca	Exact match	Eden Prairie, MN, United StatesHQ recorded Sep 20, 2026	n/a	1,036 contacts →
	Exact match “Established in 1996, Health Care Compliance Association® (HCCA)® supports healthcare compliance professionals as part of the overarching mission of SCCE & HCCA, a professional…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3	Associated Builders And Contractors	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	n/a	960 contacts →
	Exact match “Founded on the merit shop philosophy, ABC and its 67 chapters nationwide help our members develop people, win work and deliver that work safely, ethically and profitably for the…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4	Professional Photographers Of America	Exact match	Atlanta, GA, United StatesHQ recorded Sep 20, 2026	n/a	666 contacts →
	Exact match “Professional Photographers of America (PPA) is the world's largest nonprofit association serving professional photographers.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5	MDRT	Exact match	Park Ridge, IL, United StatesHQ recorded Sep 20, 2026	51-200	552 contacts →
	Exact match “MDRT (Million Dollar Round Table), The Premier Association of Financial Professionals®, is a global, independent association of the world's leading life insurance and financial…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6	Executive Director, INC	Exact match	Milwaukee, WI, United StatesHQ recorded Sep 20, 2026	201-500	543 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
7	Avma American Veterinary Medical Association	Exact match	Schaumburg, IL, United StatesHQ recorded Sep 20, 2026	51-200	492 contacts →
	Exact match “The AVMA is the nation’s leading advocate for the veterinary profession.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8	Public Relations Society Of America Prsa	Exact match	New York, NY, United StatesHQ recorded Sep 20, 2026	n/a	491 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
9	American College Of Sports Medicine	Exact match	Indianapolis, IN, United StatesHQ recorded Sep 20, 2026	n/a	373 contacts →
	Exact match “The American College of Sports Medicine (ACSM) exists to educate and empower professionals to advance the science and practice of health and human performance.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10	American Pharmacists Association	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	51-200	371 contacts →
	Exact match “The American Pharmacists Association (APhA) is the only organization advancing the entire pharmacy profession-helping pharmacists find success and satisfaction in their work while…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11	The Florida BAR	Exact match	Tallahassee, FL, United StatesHQ recorded Sep 20, 2026	201-500	368 contacts →
	Exact match “The Florida Bar is the statewide professional organization of lawyers, and post information below that may be of interest to members without endorsing any positions or opinions.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12	NEW York State BAR Association	Exact match	Albany, NY, United StatesHQ recorded Sep 20, 2026	51-200	305 contacts →
	Exact match “For more than 100 years, the New York State Bar Association has shaped the development of the law, educated and informed the profession and the public, and responded to the…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13	Best Lawyers	Exact match	Augusta, GA, United StatesHQ recorded Sep 20, 2026	51-200	286 contacts →
	Exact match “Founded more than 40 years ago, Best Lawyers® was the first organization dedicated to recognizing excellence in the legal profession.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14	NEW York City BAR Association	Exact match	New York, NY, United StatesHQ recorded Sep 20, 2026	51-200	278 contacts →
	Exact match “The New York City Bar Association is a voluntary organization with members.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15	NASPA	Exact match	Washington, DC, United StatesHQ recorded Sep 20, 2026	51-200	266 contacts →
	Exact match “NASPA is the leading association for the advancement, health, and sustainability of the student affairs profession.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16	American Osteopathic Association	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	51-200	252 contacts →
	Exact match “The American Osteopathic Association (AOA) represents more than osteopathic physicians (DOs) and osteopathic medical students; promotes public health; encourages and funds…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17	Regulatory Affairs Professionals Society Raps	Exact match	Rockville, MD, United StatesHQ recorded Sep 20, 2026	51-200	247 contacts →
	Exact match “The Regulatory Affairs Professionals Society (RAPS) is the largest global organization of and for those involved with the regulation of healthcare and related products, including…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18	American Massage Therapy Association Amta	Exact match	Evanston, IL, United StatesHQ recorded Sep 20, 2026	51-200	229 contacts →
	Exact match “The American Massage Therapy Association is the largest non-profit, professional association serving massage therapists, massage students and massage schools.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19	American Academy Of Physician Associates	Exact match	Alexandria, VA, United StatesHQ recorded Sep 20, 2026	51-200	227 contacts →
	Exact match “The American Academy of Physician Associates (AAPA) is the only national professional association that represents all PAs across all medical settings and specialties in all 50…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20	Appraisal Institute	Exact match	Chicago, IL, United StatesHQ recorded Sep 20, 2026	51-200	221 contacts →
	Exact match “The Appraisal Institute is the leading professional association of real estate appraisers.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21	AOTA	Exact match	Bethesda, MD, United StatesHQ recorded Sep 20, 2026	51-200	182 contacts →
	Exact match “The American Occupational Therapy Association (AOTA) is the national professional association established in 1917 to represent the interests and concerns of occupational therapy…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22	California Medical Association	Exact match	Sacramento, CA, United StatesHQ recorded Sep 20, 2026	51-200	173 contacts →
	Exact match “The California Medical Association is a professional association representing more than California physicians (#CMAdocs) in all medical specialties and modes of practice.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23	Washington State BAR Association	Exact match	Seattle, WA, United StatesHQ recorded Sep 20, 2026	51-200	172 contacts →
	Exact match “The Washington State Bar Association (WSBA) operates under the delegated authority of the Washington Supreme Court to license the state’s nearly lawyers and other legal…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24	Federation Of State Medical Boards	Exact match	Euless, TX, United StatesHQ recorded Sep 20, 2026	51-200	163 contacts →
	Exact match “Since our founding in 1912, FSMB has served as a forum for connecting state medical and osteopathic boards to share best practices and discuss issues of medical regulation.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25	NASBA	Exact match	Nashville, TN, United StatesHQ recorded Sep 20, 2026	51-200	159 contacts →
	Exact match “Founded in 1908, the National Association of State Boards of Accountancy (NASBA) has served as an association dedicated to enhancing the effectiveness and advancing the common…” Recorded in the RevenueBase company graph · Sep 20, 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 “professional associations”. 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 1,494 professional associations based in the United States

See the full list, filter by size, metro and specialty, and access 5,086 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Professional associations based in the United States at a glance

As of Sep 20, 2026

21.3%Verified-email coverage

15.9Average contacts per company

1-10Median size (employees)

3.1%Largest-city concentration · New York

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

854

11-50

324

51-200

154

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 1,494 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 “professional associations” 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 5,086 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.

Professional associations by metro

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

How many professional associations are there based in the United States?

RevenueBase identified 1,494 company matches for professional associations 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?

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

Which city has the most professional associations?

New York leads with 46 company records, followed by Chicago (38) and Washington (38).

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 5,086 professional contacts with verified work emails tracked across these 1,494 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.

Ready to reach these companies? Verified emails and direct dials for all 1,494 professional associations based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

Professional associations by geography

Browse the directory

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.