Company lists · Data refreshed September 2026

Top 25 Member communication platforms based in the United States

RevenueBase identified 134 company matches for member communication platforms associated with the United States as of September 2026 and tracks 1,613 professional contacts across them, including 215 with verified work emails. New York is the largest hub.

This list covers company matches for member communication platforms 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 28, 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 28, 2026 How this list was built
134Companies
1,613Contacts tracked
215Verified emails
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The 25 largest member communication platforms based in the United States

Ranked by team size
Top 25 of 134 company matches for member communication platforms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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 matchNew York, NY, United StatesHQ recorded Sep 28, 202651-20077 contacts →

Exact match

“Amplispot is the mobile-first company communications platform, used by organizations to increase productivity and empower advocacy by informing and engaging employees with timely…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchCambridge, MA, United StatesHQ recorded Sep 28, 202611-5036 contacts →

Exact match

“HubEngage™ is a unified employee communications, engagement, recognition and instant messaging platform.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchSan Francisco, CA, United StatesHQ recorded Sep 28, 202651-20036 contacts →

Exact match

“Agility is the greatest advantage in the modern marketplace.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchNew York, United StatesHQ recorded Sep 28, 202611-5033 contacts →

Exact match

“OurCo is a social platform that reimagines how communities communicate and make decisions.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchSan Francisco, CA, United StatesHQ recorded Sep 28, 202611-5032 contacts →

Exact match

“Most engagement doesn’t happen inside your product.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchBethesda, MD, United StatesHQ recorded Sep 28, 202611-5029 contacts →

Exact match

“Teleskope is the unified employee experience platform trusted by Fortune 500 companies and home to Ask Skope, the industry's first agentic AI built specifically for people…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchSouthlake, TX, United StatesHQ recorded Sep 28, 202611-5028 contacts →

Exact match

“Social Knowledge® was founded to foster online communities, sites where people with similar interests connect to harness the distributed expertise of the members.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchPark City, United StatesHQ recorded Sep 28, 202611-5024 contacts →

Exact match

“Raftr is a community-building and insights platform and mobile app that powers colleges, universities, labor unions & other progressive organizations.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchPleasanton, CA, United StatesHQ recorded Sep 28, 202611-5017 contacts →

Exact match

“Communicate with your employees in the simplest way possible.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchRockville, MD, United StatesHQ recorded Sep 28, 20261-1014 contacts →

Exact match

“An online community is defined by the knowledge it generates.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchFrisco, TX, United StatesHQ recorded Sep 28, 202651-20014 contacts →

Exact match

“Founded in 2004, Telligent is a leading provider of social community software.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchSchaumburg, IL, United StatesHQ recorded Sep 28, 202611-5012 contacts →

Exact match

“ClubExpress is an all-in-one management platform built for clubs, associations, nonprofits, and member-based organizations.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchGilbert, AZ, United StatesHQ recorded Sep 28, 202651-20012 contacts →

Exact match

“At Tradewing, we specialize in empowering trade and professional associations with innovative tools designed to strengthen member engagement and foster industry collaboration.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchOklahoma City, OK, United StatesHQ recorded Sep 28, 202611-5011 contacts →

Exact match

“ONEsite builds amazing website experiences and online communities.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchLynchburg, VA, United StatesHQ recorded Sep 28, 202611-5010 contacts →

Exact match

“Invision Community helps brands build secure, engaging spaces for customer discussion, feedback, and connection.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchOakland, CA, United StatesHQ recorded Sep 28, 20261-109 contacts →

Exact match

“Hylo is a web and mobile app that combines group management, messaging and collaboration - all in one place.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchSpokane, WA, United StatesHQ recorded Sep 28, 202611-509 contacts →

Exact match

“CloudEngage empowers you to create and nurture your community.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchNew York, NY, United StatesHQ recorded Sep 28, 20261-108 contacts →

Exact match

“Tightknit is the first web community platform built for Slack”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchBellevue, WA, United StatesHQ recorded Sep 28, 202611-507 contacts →

Exact match

“Proze empowers organizations to turn email into a strategic advantage.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchSandy Springs, GA, United StatesHQ recorded Sep 28, 20261-105 contacts →

Exact match

“Heartbeat is the plug-and-play online community builder that helps you create a tailored community space with all the building blocks needed, voice calls, threads, chats, docs…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchSan Francisco, CA, United StatesHQ recorded Sep 28, 20261-105 contacts →

Exact match

“Handzin is the first platform built for a Web3 world.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchChicago, IL, United StatesHQ recorded Sep 28, 20261-104 contacts →

Exact match

“Udext is transforming the way businesses communicate and engage with their employees.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchSalt Lake City, UT, United StatesHQ recorded Sep 28, 20261-104 contacts →

Exact match

“GroupSpot is an all-in-one communications app designed to take the friction out of running a large group.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchAustin, TX, United StatesHQ recorded Sep 28, 202611-504 contacts →

Exact match

“Small World Labs provides an online community and social collaboration platform that enables organizations to connect, engage, collaborate with, and mobilize their supporters in…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchSan Francisco, CA, United StatesHQ recorded Sep 28, 20261-104 contacts →

Exact match

“MOMO BOARD is the all-in-one community super-app for creators, brands, and communities of every kind.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 134 member communication platforms based in the United States

See the full list, filter by size, metro and specialty, and access 215 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Member communication platforms based in the United States at a glance

As of Sep 28, 2026
13.3%Verified-email coverage
12.0Average contacts per company
1-10Median size (employees)
10.4%Largest-city concentration · New York
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
75
11-50
45
51-200
10
201-500
2
10001+
2

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 134 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 “member communication platforms” 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 215 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 28, 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 “member communication platforms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many member communication platforms are there based in the United States?

RevenueBase identified 134 company matches for member communication platforms 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?

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

Which city has the most member communication platforms?

New York leads with 14 company records, followed by San Francisco (12) and Atlanta (4).

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 215 professional contacts with verified work emails tracked across these 134 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 28, 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.