Company lists · Data refreshed September 2026

Top 25 Customer engagement platforms based in the United States

RevenueBase identified 1,284 company matches for customer engagement platforms associated with the United States as of September 2026 and tracks 35,535 professional contacts across them, including 12,899 with verified work emails and 10,187 with mobile numbers. New York is the largest hub.

This list covers company matches for customer engagement 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 1, 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 1, 2026 How this list was built
1,284Companies
35,535Contacts tracked
12,899Verified emails
10,187Mobile numbers
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest customer engagement platforms based in the United States

Ranked by team size
Top 25 of 1,284 company matches for customer engagement platforms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 1, 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 matchBoston, MA, United States1,001-5,0002,859 contacts →

Exact match

“Klaviyo (NYSE: KVYO) is the autonomous B2C CRM.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
2Exact matchManchester, NH, United States1,001-5,0001,765 contacts →

Exact match

“Sitecore creates digital experiences so powerful they connect the world.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
3Exact matchFort Worth, TX, United States10001+1,136 contacts →

Exact match

“Dialog Direct helps brands manage and personalize their multichannel, multi-touch customer journeys using data-driven marketing and customer engagement solutions.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
4Exact matchChicago, IL, United States1,001-5,000852 contacts →

Exact match

“ActiveCampaign is the AI-first autonomous marketing platform built to transform how marketers, agencies, and entrepreneurs work.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
5Exact matchNashville, TN, United States201-500818 contacts →

Exact match

“Marigold is a global marketing technology company focused on delivering relationship marketing solutions for growing organizations.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
6Exact matchBoston, MA, United States501-1,000768 contacts →

Exact match

“Vendasta is the leading AI software company for customer acquisition and engagement, helping businesses get more customers.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
7Exact matchPalo Alto, CA, United States201-500753 contacts →

Exact match

“AppLovin helps businesses of any size reach over a billion people who play mobile games every day.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
8Exact matchDenver, CO, United States501-1,000610 contacts →

Exact match

“Bond is the customer-intelligence driven engagement company.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
9Exact matchPhiladelphia, PA, United States501-1,000603 contacts →

Exact match

“Piano is the digital analytics and subscription management platform that empowers businesses to understand their audience, orchestrate journeys, and grow revenue.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
10Exact matchAtlanta, GA, United States1,001-5,000570 contacts →

Exact match

“Adobe Marketo Engage offers the leading Engagement Platform that empowers marketers to build brand value, grow revenue, and prove impact.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
11Exact matchWaltham, MA, United States501-1,000532 contacts →

Exact match

“Acoustic, L.P.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
12Exact matchNew York, NY, United States501-1,000503 contacts →

Exact match

“Treasure AI is the Agentic Experience Platform built for modern marketing teams.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
13Exact matchNew York, NY, United States201-500488 contacts →

Exact match

“Dotdigital is a marketing personalization platform that helps you connect with your customers on the channels they know and love.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
14Exact matchLouisville, CO, United States201-500482 contacts →

Exact match

“Yes Marketing focuses on enabling marketers to engage, acquire and retain consumers along each stage of the consumer journey with a brand – from awareness through consideration…”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
15Exact matchTampa, FL, United States201-500466 contacts →

Exact match

“ENGAGE.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
16Exact matchPortland, OR, United States201-500445 contacts →

Exact match

“Create personalized customer journeys that engage and convert with our versatile customer engagement platform.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
17Exact matchWayne, PA, United States1,001-5,000429 contacts →

Exact match

“LiquidHub is a Capgemini company.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
18Exact matchWest Hollywood, CA, United States201-500384 contacts →

Exact match

“Invoca is the revenue execution and platform leader that helps marketing, commerce, and contact center teams turn every conversation into revenue.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
19Exact matchNew York, NY, United States201-500362 contacts →

Exact match

“Resulticks is a fully integrated, real-time audience engagement solution designed to help brands worldwide reach, acquire, and retain satised customers.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
20Exact matchAtlanta, GA, United States201-500330 contacts →

Exact match

“CallRail is the lead engagement platform that makes it easy for businesses to attract more leads, convert more customers, and optimize their marketing.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
21Exact matchSpringfield, MO, United States1,001-5,000326 contacts →

Exact match

“Communication Solutions, LLC (CSLLC) is a premier provider of Business to Business and Business to Consumer customer engagement services.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
22Exact matchPalo Alto, CA, United States201-500320 contacts →

Exact match

“Headquartered in Silicon Valley, Loyalty Juggernaut, Inc.(LJI) is the next-gen loyalty and customer engagement solutions enterprise, helping brands reimagine their customer…”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
23Exact matchArlington, VA, United States201-500302 contacts →

Exact match

“Higher Logic is revolutionizing engagement for associations and businesses.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
24Exact matchLititz, PA, United States201-500298 contacts →

Exact match

“Listrak is the person-first marketing automation platform that seamlessly integrates data, identity, and cross-channel messaging to power hyper-personalized customer experiences.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase
25Exact matchCincinnati, OH, United States201-500295 contacts →

Exact match

“Claritas: Empowering Data-Driven Marketing With nearly 50 years of understanding the American consumer, Claritas offers a comprehensive marketing optimization platform.”

Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase

Showing 25 of 1,284 customer engagement platforms based in the United States

See the full list, filter by size, metro and specialty, and access 12,899 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Customer engagement platforms based in the United States at a glance

As of Sep 1, 2026
36.3%Verified-email coverage
28.7%Mobile-number coverage
27.7Average contacts per company
11-50Median size (employees)
8.9%Largest-city concentration · New York
Sep 1, 2026Page data refreshed

Companies by employee count

1-10
554
11-50
483
51-200
173
201-500
39
501-1,000
15
1,001-5,000
18
10001+
1

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 “customer engagement 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 12,899 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 1, 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 “customer engagement platforms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many customer engagement platforms are there based in the United States?

RevenueBase identified 1,284 company matches for customer engagement 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?

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

Which city has the most customer engagement platforms?

New York leads with 114 company records, followed by San Francisco (76) and Boston (34).

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 12,899 professional contacts with verified work emails tracked across these 1,284 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 1, 2026.

Ready to reach these companies? Verified emails and direct dials for all 1,284 customer engagement platforms based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

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.