Company lists · Data verified August 2026

Top 25 Community building platforms based in the United States

Name: Community building platforms based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 330 companies tracked

There are 330 community building platforms headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 4,419 professional contacts across them, including 763 with verified work emails and 1,055 with mobile numbers. New York is the largest hub.

This list covers community building platforms headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

330Companies

4,419Contacts tracked

763Verified emails

1,055Mobile numbers

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The 25 largest community building platforms based in the United States

Ranked by team size

Top 25 of 330 community building platforms based in the United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Meetup	New York, NY	51-200	462	4
2	Ning Interactive INC	Menlo Park, CA	51-200	431	1
3	Togetherwork	Atlanta, GA	501-1,000	309	168
4	Personify	Austin, TX	201-500	274	136
5	SKOOL	Los Angeles, CA	n/a	239	28
6	Circle	New York	51-200	225	16
7	NAS Company	New York	51-200	190	22
8	Nelnet Community Engagement	Overland Park, KS	51-200	157	1
9	Brighttalk	San Francisco, CA	201-500	72	36
10	FORJ	Milwaukee, WI	51-200	66	50
11	OURCO	New York	11-50	33	18
12	Givepulse, INC	Austin, TX	11-50	33	16
13	Social Knowledge, LLC	Southlake, TX	11-50	28	16
14	Networked	Philadelphia, PA	11-50	28	7
15	Fliptree Technologies	Charlotte, NC	11-50	26	11
16	RAFTR	Park City	11-50	26	10
17	Front Porch Forum	Burlington, VT	11-50	18	13
18	Myarea Network	Tampa, FL	11-50	17	3
19	Telligent	Frisco, TX	51-200	14	5
20	Bump Connect	Minneapolis, MN	11-50	12	4
21	ekos.ai	Nyc	11-50	12	3
22	Onesite	Oklahoma City, OK	11-50	11	2
23	Bondware INC	Murfreesboro, TN	11-50	10	3
24	FLAN	Durham	11-50	8	2
25	Sabchalo INC	Orlando, FL	11-50	6	1

Showing 25 of 330 community building platforms based in the United States

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Community building platforms based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 35 HQs

1,055Contacts with mobile numbers

4Emails re-verified in last 30 days

Companies by employee count

1-10

229

11-50

51-200

201-500

501-1,000

Community building platforms by metro

Metro	Companies
Community building platforms in New York	35
Community building platforms in San Francisco	22
Community building platforms in Los Angeles	13
Community building platforms in Houston	7
Community building platforms in Chicago	7
Community building platforms in Miami	7
Community building platforms in Austin	7

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “community building platforms”, with match quality audited by blind human judging, and headquartered in the United States.
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: Contact records re-verify on a rolling cadence; 4 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many community building platforms are there based in the United States?

There are 330 community building platforms headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Meetup, headquartered in New York, tops this list with the largest team on record.

Which city has the most community building platforms?

New York leads with 35 headquartered companies, followed by San Francisco (22) and Los Angeles (13).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 763 verified decision-maker contacts tracked across these 330 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.