Company lists · Data refreshed September 2026

Top 25 Conversational AI companies based in the United States

Name: Conversational AI 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 1, 2026 1,245 companies tracked

RevenueBase identified 1,245 conversational AI companies headquartered in the United States as of September 2026 and tracks 21,204 professional contacts across them, including 6,522 with verified work emails and 4,991 with mobile numbers. San Francisco is the largest hub.

This list covers conversational AI 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 1, 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 RevenueBase Smart Search rating on every row Refreshed Sep 1, 2026 86% judged on-target in blind review

1,245Companies

21,204Contacts tracked

6,522Verified emails

4,991Mobile numbers

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The 25 largest conversational AI companies based in the United States

Ranked by team size

Top 25 of 1,245 conversational AI companies based in the United States, ranked by team size, largest first. Data refreshed Sep 1, 2026. RevenueBase Smart Search rates how each company's information relates to conversational AI 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	Nuance Communications	Strong evidence	Seattle, WA, United States	10001+	3,587 contacts →
	Strong evidence “Nuance Communications is a technology pioneer with market leadership in conversational, ambient, and generative AI.” Source: RevenueBase Database · checked Sep 1, 2026
2	Dialpad	Partial evidence	San Ramon, CA, United States	1,001-5,000	1,463 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 1, 2026
3	Cerence AI	Partial evidence	Burlington, MA, United States	1,001-5,000	1,186 contacts →
	Partial evidence “Cerence AI (NASDAQ: CRNC) is a global industry leader in creating intuitive, seamless, AI-powered experiences across automotive and transportation.” Source: RevenueBase Database · checked Sep 1, 2026
4	Gorgias	Strong evidence	San Francisco, CA, United States	201-500	486 contacts →
	Strong evidence “Gorgias is the Conversational AI platform for ecommerce that drives sales and resolves support inquiries.” Source: RevenueBase Database · checked Sep 1, 2026
5	Flip Robo Technologies LLC	Indirect evidence	Houston, TX, United States	201-500	349 contacts →
	Indirect evidence “Flip Robo is an artificial intelligence company.” Source: RevenueBase Database · checked Sep 1, 2026
6	ASAPP	Indirect evidence	Mountain View, CA, United States	201-500	327 contacts →
	Indirect evidence “ASAPP is an artificial intelligence solution provider committed to solving the toughest problems in customer service.” Source: RevenueBase Database · checked Sep 1, 2026
7	Callminer	Strong evidence	Waltham, MA, United States	201-500	316 contacts →
	Strong evidence “CallMiner is the global leader in AI-powered conversation intelligence and customer experience (CX) automation.” Source: RevenueBase Database · checked Sep 1, 2026
8	Intelepeer	Indirect evidence	Centennial, CO, United States	201-500	285 contacts →
	Indirect evidence “IntelePeer automates customer interactions, enabling businesses and contact centers to lower costs, improve customer experience, and accelerate return on investment.” Source: RevenueBase Database · checked Sep 1, 2026
9	SANAS	Partial evidence	Palo Alto, CA, United States	51-200	254 contacts →
	Partial evidence “Sanas is the world's first and most trusted real-time Speech AI platform.” Source: RevenueBase Database · checked Sep 1, 2026
10	otter.ai	Strong evidence	Mountain View, CA, United States	51-200	249 contacts →
	Strong evidence “Otter.ai is the Conversational Knowledge Engine built for the modern enterprise, giving AI agents the organizational context to act on by connecting thousands of conversations…” Source: RevenueBase Database · checked Sep 1, 2026
11	gnani.ai	Partial evidence	San Francisco, CA, United States	51-200	230 contacts →
	Partial evidence “Gnani AI is the frontier Voice AI company the world runs on.” Source: RevenueBase Database · checked Sep 1, 2026
12	character.ai	Partial evidence	Redwood City, CA, United States	51-200	228 contacts →
	Partial evidence “Character.AI isn’t just another AI chat app-it’s an infinite playground for your imagination, creativity, and exploration.” Source: RevenueBase Database · checked Sep 1, 2026
13	Gladly	Partial evidence	San Francisco, CA, United States	201-500	218 contacts →
	Partial evidence “For business leaders who want to get AI right, Gladly is the only customer experience AI that delivers the cost savings you need AND the customer devotion that drives lasting…” Source: RevenueBase Database · checked Sep 1, 2026
14	Marchex	Strong evidence	Seattle, WA, United States	201-500	196 contacts →
	Strong evidence “Marchex harnesses the power of AI and conversational intelligence to provide actionable insights aligned with prescriptive vertical market data analytics, driving operational…” Source: RevenueBase Database · checked Sep 1, 2026
15	Sestek	Strong evidence	York, United States	51-200	185 contacts →
	Strong evidence “SESTEK is a conversational automation company working on AI-powered solutions for customer service since Our R&D team of 100+ engineers develops conversational products built on…” Source: RevenueBase Database · checked Sep 1, 2026
16	Trellissoft, INC	Indirect evidence	San Jose, CA, United States	51-200	182 contacts →
	Indirect evidence “A pioneer in delivering world-class IT services for over 10 years in the industry.” Source: RevenueBase Database · checked Sep 1, 2026
17	Pronix INC	Partial evidence	Plainsboro, NJ, United States	201-500	180 contacts →
	Partial evidence “Pronix Inc.\| Your AI Transformation Partner Pronix Inc.” Source: RevenueBase Database · checked Sep 1, 2026
18	Drift, A Salesloft Company	Strong evidence	Seattle, WA, United States	501-1,000	168 contacts →
	Strong evidence “Drift®, the buyer experience and Conversational AI company, inspires businesses to create more engaging customer experiences, one conversation at a time.” Source: RevenueBase Database · checked Sep 1, 2026
19	DRIPS	Indirect evidence	Akron, OH, United States	51-200	142 contacts →
	Indirect evidence “Drips helps companies engage with their consumers more effectively.” Source: RevenueBase Database · checked Sep 1, 2026
20	Biz4group LLC	Indirect evidence	Orlando, FL, United States	51-200	139 contacts →
	Indirect evidence “We believe that the best work is born when diligence mixes with fun, and creativity blends seamlessly with professionalism.” Source: RevenueBase Database · checked Sep 1, 2026
21	Conversica	Strong evidence	San Francisco, CA, United States	51-200	130 contacts →
	Strong evidence “Conversica’s AI Agents help you start effortless conversations that build trust, deepen relationships, and drive growth.” Source: RevenueBase Database · checked Sep 1, 2026
22	BRADO	Indirect evidence	Chicago, IL, United States	51-200	124 contacts →
	Indirect evidence “Brado helps brands engage with people during critical moments in their lives.” Source: RevenueBase Database · checked Sep 1, 2026
23	Commbox	Partial evidence	Boston, MA, United States	51-200	118 contacts →
	Partial evidence “AI Customer Engagement That Cuts Service Costs, With Enterprise Control Built In.” Source: RevenueBase Database · checked Sep 1, 2026
24	Astute NOW Emplifi	Partial evidence	Columbus, OH, United States	51-200	100 contacts →
	Partial evidence “We build AI-driven software for the future of consumer engagement.” Source: RevenueBase Database · checked Sep 1, 2026
25	Retell	Partial evidence	Redwood City, CA, United States	51-200	93 contacts →
	Partial evidence “Retell is the #1 voice AI agent platform, enabling you to build, test, deploy, and monitor voice AI agents.” Source: RevenueBase Database · checked Sep 1, 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: conversational AI 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 conversational AI companies.
Partial evidence: Its own public description names part of conversational AI companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name conversational AI 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 1,245 conversational AI companies based in the United States

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Conversational AI companies based in the United States at a glance

As of Sep 1, 2026

30.8%Verified-email coverage

23.5%Mobile-number coverage

17.0Average contacts per company

1-10Median size (employees)

11.6%Largest-city concentration · San Francisco

Sep 1, 2026Page data refreshed

Companies by employee count

1-10

735

11-50

383

51-200

201-500

501-1,000

1,001-5,000

10001+

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 conversational AI 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 “conversational AI 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 conversational AI 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 conversational AI 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, 6,522 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 1, 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.

Conversational AI companies by metro

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 conversational AI 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 conversational AI companies are there based in the United States?

RevenueBase identified 1,245 conversational AI 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?

Nuance Communications, headquartered in Seattle, tops this list with the largest team on record.

Which city has the most conversational AI companies?

San Francisco leads with 145 headquartered companies, followed by New York (97) 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 6,522 verified decision-maker contacts tracked across these 1,245 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 1, 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.