Company lists · Data verified August 2026

Top 25 Digital engagement platforms based in the United States

Name: Digital engagement 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 845 companies tracked

There are 845 digital engagement platforms headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 18,477 professional contacts across them, including 6,527 with verified work emails and 5,220 with mobile numbers. New York is the largest hub.

This list covers digital engagement 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.

845Companies

18,477Contacts tracked

6,527Verified emails

5,220Mobile numbers

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The 25 largest digital engagement platforms based in the United States

Ranked by team size

Top 25 of 845 digital engagement 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	Klaviyo	Boston, MA	1,001-5,000	2,859	1,624
2	Vendasta	Boston, MA	501-1,000	768	268
3	Applovin	Palo Alto, CA	201-500	753	245
4	Adobe Marketo	Atlanta, GA	1,001-5,000	570	109
5	Acoustic	Waltham, MA	501-1,000	532	360
6	Dotdigital	New York, NY	201-500	488	347
7	customer.io	Portland, OR	201-500	445	231
8	Outbrain	Chicago, IL	501-1,000	372	12
9	Resulticks	New York, NY	201-500	362	37
10	Outfront Media	New York, NY	1,001-5,000	336	159
11	Higher Logic	Arlington, VA	201-500	302	197
12	Sms-Magic	Henderson, NV	51-200	293	56
13	Pomvom Tase Pmvm	Orlando, FL	201-500	253	72
14	Hearsay Systems	San Francisco, CA	201-500	251	18
15	Movius	Alpharetta, GA	51-200	242	105
16	Bn, An Augeo Company	Rochester, NY	51-200	235	16
17	Remarkable AI	New York, NY	51-200	195	18
18	Investis Digital	Phoenix, AZ	501-1,000	158	42
19	Nelnet Community Engagement	Overland Park, KS	51-200	157	1
20	KIPSU	Minneapolis, MN	51-200	138	108
21	FEVO	New York, NY	51-200	126	101
22	Aiq.com Alpine IQ	Denver, CO	51-200	102	42
23	Smartmedia Technologies	Aspen, CO	51-200	101	41
24	Leanplum By Clevertap	San Francisco, CA	51-200	96	14
25	Scaletech Solutions	San Francisco, CA	51-200	81	35

Showing 25 of 845 digital engagement platforms based in the United States

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Digital engagement platforms based in the United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

New YorkLargest hub · 104 HQs

5,220Contacts with mobile numbers

10Emails re-verified in last 30 days

Companies by employee count

1-10

392

11-50

331

51-200

201-500

501-1,000

1,001-5,000

10001+

Digital engagement platforms by metro

Metro	Companies
Digital engagement platforms in New York	104
Digital engagement platforms in San Francisco	54
Digital engagement platforms in Los Angeles	40
Digital engagement platforms in Austin	25
Digital engagement platforms in Atlanta	18
Digital engagement platforms in Chicago	16
Digital engagement platforms in Miami	16

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 “digital engagement 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; 10 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 digital engagement platforms are there based in the United States?

There are 845 digital engagement platforms headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Klaviyo, headquartered in Boston, tops this list with the largest team on record.

Which city has the most digital engagement platforms?

New York leads with 104 headquartered companies, followed by San Francisco (54) and Los Angeles (40).

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 6,527 verified decision-maker contacts tracked across these 845 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.