Company lists · Data refreshed September 2026

Top 25 AI customer engagement companies based in the United States

Name: AI customer engagement companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 2,668 companies tracked

RevenueBase identified 2,668 AI customer engagement companies headquartered in the United States as of September 2026 and tracks 182,094 professional contacts across them, including 58,122 with verified work emails. San Francisco is the largest hub.

This list covers AI customer engagement companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review

2,668Companies

182,094Contacts tracked

58,122Verified emails

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The 25 largest AI customer engagement companies based in the United States

Ranked by team size

Top 25 of 2,668 AI customer engagement companies based in the United States, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to AI customer engagement companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Publicis Sapient	Partial evidence	Boston, MA, United StatesHQ checked Sep 19, 2026	10001+	20,235 contacts →
	Partial evidence “Publicis Sapient is a technology company that provides enterprise AI platforms and services.” Source: RevenueBase Database · checked Sep 19, 2026
2	IQOR	Partial evidence	Fort Lauderdale, FL, United StatesHQ checked Sep 19, 2026	10001+	17,310 contacts →
	Partial evidence “iQor is a trusted partner in customer experience solutions for global brands and a portfolio company of Mill Point Capital.” Source: RevenueBase Database · checked Sep 19, 2026
3	IBEX	Strong evidence	Washington, DC, United StatesHQ checked Sep 19, 2026	10001+	15,457 contacts →
	Strong evidence “ibex delivers innovative business process outsourcing (BPO), smart digital marketing, online acquisition technology, and end-to-end customer engagement solutions to help companies…” Source: RevenueBase Database · checked Sep 19, 2026
4	NICE	Partial evidence	Hoboken, NJ, United StatesHQ checked Sep 19, 2026	5,001-10,000	10,721 contacts →
	Partial evidence “NiCE is transforming the world with AI that puts people first.” Source: RevenueBase Database · checked Sep 19, 2026
5	24 7.ai	Strong evidence	Campbell, CA, United StatesHQ checked Sep 19, 2026	10001+	8,461 contacts →
	Strong evidence “24]7.ai™ customer engagement solutions use conversational artificial intelligence to understand customer intent, enabling companies to create personalized, predictive, and…” Source: RevenueBase Database · checked Sep 19, 2026
6	Genesys	Partial evidence	Menlo Park, CA, United StatesHQ checked Sep 19, 2026	5,001-10,000	7,347 contacts →
	Partial evidence “Genesys® empowers more than organizations worldwide to create the best customer and employee experiences.” Source: RevenueBase Database · checked Sep 19, 2026
7	Zendesk	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 19, 2026	5,001-10,000	6,628 contacts →
	Indirect evidence “Move beyond deflection.” Source: RevenueBase Database · checked Sep 19, 2026
8	Pegasystems	Partial evidence	Waltham, MA, United StatesHQ checked Sep 19, 2026	5,001-10,000	6,319 contacts →
	Partial evidence “Pega provides the leading AI-powered platform for enterprise transformation.” Source: RevenueBase Database · checked Sep 19, 2026
9	Fusion CX	Partial evidence	Norcross, GA, United StatesHQ checked Sep 19, 2026	10001+	4,785 contacts →
	Partial evidence “At Fusion CX, we revolutionize customer experience by blending innovative technology and human connection.” Source: RevenueBase Database · checked Sep 19, 2026
10	Sprinklr	Strong evidence	New York, NY, United StatesHQ checked Sep 19, 2026	1,001-5,000	4,513 contacts →
	Strong evidence “Sprinklr is the definitive, AI-native platform for Unified Customer Experience Management (Unified-CXM), empowering brands to deliver extraordinary experiences at scale, across…” Source: RevenueBase Database · checked Sep 19, 2026
11	Verint	Partial evidence	Melville, NY, United StatesHQ checked Sep 19, 2026	5,001-10,000	3,852 contacts →
	Partial evidence “Verint helps you deliver AI outcomes now to solve your most pressing CX automation challenges in the contact center and beyond.” Source: RevenueBase Database · checked Sep 19, 2026
12	Nuance Communications	Partial evidence	Burlington, MA, United StatesHQ checked Sep 19, 2026	10001+	3,544 contacts →
	Partial evidence “Nuance Communications is a technology pioneer with market leadership in conversational, ambient, and generative AI.” Source: RevenueBase Database · checked Sep 19, 2026
13	Etech Global Services	Strong evidence	Nacogdoches, TX, United StatesHQ checked Sep 19, 2026	1,001-5,000	2,964 contacts →
	Strong evidence “Etech Global Services delivers customer experience solutions and proprietary AI technology to Fortune 500 companies across telecommunications, healthcare, financial services, and…” Source: RevenueBase Database · checked Sep 19, 2026
14	Klaviyo	Indirect evidence	Boston, MA, United StatesHQ checked Sep 19, 2026	1,001-5,000	2,789 contacts →
	Indirect evidence “Klaviyo (NYSE: KVYO) is the autonomous B2C CRM.” Source: RevenueBase Database · checked Sep 19, 2026
15	Five9	Strong evidence	San Ramon, CA, United StatesHQ checked Sep 19, 2026	1,001-5,000	2,584 contacts →
	Strong evidence “Five9 provides a comprehensive suite of CX solutions, powered by Five9 Genius AI, to elevate customer experiences that deliver better business outcomes in the era of The New CX.” Source: RevenueBase Database · checked Sep 19, 2026
16	CALIX	Partial evidence	San Jose, CA, United StatesHQ checked Sep 19, 2026	1,001-5,000	2,120 contacts →
	Partial evidence “Calix is an AI platform company that enables service providers to transform their operations and accelerate delivery of differentiated experiences-so they can compete and win in…” Source: RevenueBase Database · checked Sep 19, 2026
17	Op360 Officepartners360	Partial evidence	Ridgefield, CT, United StatesHQ checked Sep 19, 2026	1,001-5,000	1,777 contacts →
	Partial evidence “OP360, part of iQor CXBPO™, is a trusted partner in intelligent customer experience solutions for global brands.” Source: RevenueBase Database · checked Sep 19, 2026
18	Nextiva	Strong evidence	Scottsdale, AZ, United StatesHQ checked Sep 19, 2026	1,001-5,000	1,638 contacts →
	Strong evidence “Build amazing customer experiences with Nextiva’s AI-powered platform.” Source: RevenueBase Database · checked Sep 19, 2026
19	Dialpad	Partial evidence	San Ramon, CA, United StatesHQ checked Sep 19, 2026	1,001-5,000	1,473 contacts →
	Partial evidence “Dialpad is the leading AI-powered communications intelligence platform creating human-first, AI-enhanced solutions that will drive the next wave of how businesses communicate with…” Source: RevenueBase Database · checked Sep 19, 2026
20	Intercom	Strong evidence	San Francisco, CA, United StatesHQ checked Sep 19, 2026	1,001-5,000	1,444 contacts →
	Strong evidence “We’re Intercom, the AI customer service company helping businesses deliver incredible customer experiences at scale.” Source: RevenueBase Database · checked Sep 19, 2026
21	Talkdesk	Partial evidence	San Francisco, CA, United StatesHQ checked Sep 19, 2026	1,001-5,000	1,316 contacts →
	Partial evidence “Talkdesk® is leading a new era in customer experience with Customer Experience Automation (CXA)-a new category and platform designed to automate the full complexity of modern…” Source: RevenueBase Database · checked Sep 19, 2026
22	Unifycx	Strong evidence	Louisville, KY, United StatesHQ checked Sep 19, 2026	5,001-10,000	1,270 contacts →
	Strong evidence “UnifyCX is a future-ready, next-generation customer experience platform that fuses the best of human expertise with advanced AI technology.” Source: RevenueBase Database · checked Sep 19, 2026
23	Liveperson	Partial evidence	New York, NY, United StatesHQ checked Sep 19, 2026	501-1,000	1,248 contacts →
	Partial evidence “LivePerson (NASDAQ: LPSN) is the leader in predictable conversational AI and digital transformation.” Source: RevenueBase Database · checked Sep 19, 2026
24	kore.ai	Partial evidence	San Mateo, CA, United StatesHQ checked Sep 19, 2026	501-1,000	1,237 contacts →
	Partial evidence “Kore.ai, a leader in enterprise AI, accelerates business outcomes from AI with agentic AI applications built on the industry-leading Kore.ai Agent Platform.” Source: RevenueBase Database · checked Sep 19, 2026
25	Partnerhero	Partial evidence	Boise, ID, United StatesHQ checked Sep 19, 2026	1,001-5,000	1,174 contacts →
	Partial evidence “The First AI-Native Contact Center.” Source: RevenueBase Database · checked Sep 19, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: AI customer engagement companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names AI customer engagement companies.
Partial evidence: Its own public description names part of AI customer engagement companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name AI customer engagement companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 2,668 AI customer engagement companies based in the United States

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AI customer engagement companies based in the United States at a glance

As of Sep 19, 2026

31.9%Verified-email coverage

68.3Average contacts per company

1-10Median size (employees)

8.7%Largest-city concentration · San Francisco

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

1,521

11-50

798

51-200

217

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 2,668 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among AI customer engagement companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “AI customer engagement companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names AI customer engagement companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among AI customer engagement companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 58,122 across the full list. 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 19, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

AI customer engagement companies by metro

AI customer engagement companies in San Francisco232
AI customer engagement companies in New York171
AI customer engagement companies in Miami86
AI customer engagement companies in Austin76
AI customer engagement companies in Los Angeles65
AI customer engagement companies in Dover51
AI customer engagement companies in Sheridan47
AI customer engagement companies in Boston43
AI customer engagement companies in Houston42
AI customer engagement companies in Atlanta39
AI customer engagement companies in San Jose37
AI customer engagement companies in Wilmington37
AI customer engagement companies in Palo Alto36
AI customer engagement companies in Seattle36
AI customer engagement companies in San Diego34
AI customer engagement companies in Chicago33
AI customer engagement companies in Dallas32
AI customer engagement companies in Tampa32
AI customer engagement companies in Newark26
AI customer engagement companies in Denver25

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names AI customer engagement companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

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

RevenueBase identified 2,668 AI customer engagement companies headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

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

Which city has the most AI customer engagement companies?

San Francisco leads with 232 headquartered companies, followed by New York (171) and Miami (86).

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 58,122 verified decision-maker contacts tracked across these 2,668 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 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 Smart Search, 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.