Company lists · Data refreshed November 2026

Top 25 Membership management systems based in the United States

RevenueBase identified 129 company matches for membership management systems associated with the United States as of November 2026 and tracks 4,353 professional contacts across them, including 1,296 with verified work emails. Atlanta is the largest hub.

This list covers company matches for membership management systems 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 November 6, 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 Nov 6, 2026 How this list was built
129Companies
4,353Contacts tracked
1,296Verified emails
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The 25 largest membership management systems based in the United States

Ranked by team size
Top 25 of 129 company matches for membership management systems based in the United States, 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 matchAtlanta, GA, United StatesHQ recorded Nov 6, 2026501-1,0001,088 contacts →

Exact match

“ACTIVE Network transforms the way communities come together, facilitating engagement and participation across a spectrum of activities and events.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSt. Petersburg, FL, United StatesHQ recorded Nov 6, 20261,001-5,000839 contacts →

Exact match

“Community Brands is now Momentive Software, follow us at Momentive Software helps associations and nonprofits enhance membership management and donor engagement, automate and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchDublin, OH, United StatesHQ recorded Nov 6, 2026n/a683 contacts →

Exact match

“DISCLOSURE: We aren't Tata Consultancy Services, even though more than 200 'employees' mistakenly claim to work for us.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchAlpharetta, GA, United StatesHQ recorded Nov 6, 2026201-500315 contacts →

Exact match

“Northstar is the leading vendor of Club Management & Community Association Software used by more than 700 clubs & communities worldwide, including 50 Platinum clubs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchDover, DE, United StatesHQ recorded Nov 6, 202651-200195 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchWhite Plains, NY, United StatesHQ recorded Nov 6, 202651-200103 contacts →

Exact match

“JustGo addresses the needs of Governing Bodies, Sports Clubs, Charities, & Membership Organizations, with an easily managed membership system that provides flexibility across your…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchArlington, VA, United StatesHQ recorded Nov 6, 202651-20058 contacts →

Exact match

“Manage members, events, communities, and virtually everything needed to run your organization – all in one powerful, integrated system.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchColumbia, MD, United StatesHQ recorded Nov 6, 202611-5054 contacts →

Exact match

“For over 26 years, ACGI Software has been providing best-in-class association management software.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchWayland, MA, United StatesHQ recorded Nov 6, 202611-5047 contacts →

Exact match

“MembersFirst helps hundreds of member-based organizations attract, engage and retain a vibrant and actively involved membership.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchOrlando, FL, United StatesHQ recorded Nov 6, 202611-5044 contacts →

Exact match

“Association Management Software for Associations using QuickBooks, built for associations by associations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 202651-20036 contacts →

Exact match

“Engagifii MEams is the only AMS that delivers a powerful, unified solution for managing every facet of your association.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSt. Paul, MN, United StatesHQ recorded Nov 6, 202611-5035 contacts →

Exact match

“Club Software Made Simple.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchAnnapolis, MD, United StatesHQ recorded Nov 6, 202611-5034 contacts →

Exact match

“Like your association, member engagement is at our core.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSterling, VA, United StatesHQ recorded Nov 6, 202611-5030 contacts →

Exact match

“Integrating with over 40 third-party systems, including iMIS, Aptify, Personify, Higher Logic, cvent, BluePay, ACGI, Digitell, and Stripe, mosaic apps bring value through event…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“Designed for private clubs, our platform offers a powerful admin suite, an intuitive member portal, a modern web builder, and dedicated iOS & Android apps.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“Associations are here to advance their missions, further their communities, and provide resources for their industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchOwings Mills, MD, United StatesHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“StarChapter is a member friendly association management software (AMS) that combines event registration, membership management, website design, email communication, and eCommerce…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchNew Orleans, LA, United StatesHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“ChapterSpot is a leader in innovative software solutions for chapter-based non-profit organizations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchDouglasville, GA, United StatesHQ recorded Nov 6, 202651-20022 contacts →

Exact match

“Founded in 1994, Ross Group is a Software Product and IT Services company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchCharlotte, FL, United StatesHQ recorded Nov 6, 202651-20021 contacts →

Exact match

“Accrisoft Corporation is a website and membership software company dedicated to assisting non-profits in reaching their goals and aspirations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchNisswa, MN, United StatesHQ recorded Nov 6, 202651-20018 contacts →

Exact match

“MemberSuite AMS is a highly configurable management software designed for associations and nonprofits with complex membership structures and advanced member activities, such as…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchBoca Raton, FL, United StatesHQ recorded Nov 6, 202651-20017 contacts →

Exact match

“Private clubs are built on community.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202651-20017 contacts →

Exact match

“The all-in-one cloud-based iGo360 Software is trusted by thousands of owners worldwide to manage their fitness clubs, karate schools, yoga studios and many other membership-based…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 2026201-50016 contacts →

Exact match

“Your member experience gets better with software that clicks!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSeverna Park, MD, United StatesHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“With over 30 years of experience, MMSI is an industry leader and creator of Membership Director™, the most accurate, intuitive, and customizable membership and accounting system…”

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

Showing 25 of 129 membership management systems based in the United States

See the full list, filter by size, metro and specialty, and access 1,296 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Membership management systems based in the United States at a glance

As of Nov 6, 2026
29.8%Verified-email coverage
33.7Average contacts per company
11-50Median size (employees)
5.4%Largest-city concentration · Atlanta
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
53
11-50
47
51-200
17
201-500
4
501-1,000
3
1,001-5,000
1
10001+
3

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 129 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 management systems” 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 1,296 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.

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

How many membership management systems are there based in the United States?

RevenueBase identified 129 company matches for membership management systems associated with the United States 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?

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

Which city has the most membership management systems?

Atlanta leads with 7 company records, followed by Austin (5) and St. Petersburg (5).

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 1,296 professional contacts with verified work emails tracked across these 129 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.