Company lists · Data verified August 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 Verified Aug 28, 2026 1,245 companies tracked

There are 1,245 conversational AI companies headquartered in the United States (RevenueBase, August 2026). RevenueBase 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. Data current as of August 28, 2026.

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 verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Nuance Communications	Seattle, WA	10001+	3,587	564
2	Dialpad	San Ramon, CA	1,001-5,000	1,463	840
3	Cerence AI	Burlington, MA	1,001-5,000	1,186	581
4	Gorgias	San Francisco, CA	201-500	486	263
5	Flip Robo Technologies LLC	Houston, TX	201-500	349	1
6	ASAPP	Mountain View, CA	201-500	327	153
7	Callminer	Waltham, MA	201-500	316	225
8	Intelepeer	Centennial, CO	201-500	285	158
9	SANAS	Palo Alto, CA	51-200	254	149
10	otter.ai	Mountain View, CA	51-200	249	173
11	gnani.ai	San Francisco, CA	51-200	230	95
12	character.ai	Redwood City, CA	51-200	228	75
13	Gladly	San Francisco, CA	201-500	218	152
14	Marchex	Seattle, WA	201-500	196	97
15	Sestek	York	51-200	185	92
16	Trellissoft, INC	San Jose, CA	51-200	182	111
17	Pronix INC	Plainsboro, NJ	201-500	180	33
18	Drift, A Salesloft Company	Seattle, WA	501-1,000	168	15
19	DRIPS	Akron, OH	51-200	142	103
20	Biz4group LLC	Orlando, FL	51-200	139	68
21	Conversica	San Francisco, CA	51-200	130	44
22	BRADO	Chicago, IL	51-200	124	75
23	Commbox	Boston, MA	51-200	118	38
24	Astute NOW Emplifi	Columbus, OH	51-200	100	3
25	Retell	Redwood City, CA	51-200	93	4

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 Aug 28, 2026

1-10Median size (employees)

San FranciscoLargest hub · 145 HQs

4,991Contacts with mobile numbers

13Emails re-verified in last 30 days

Companies by employee count

1-10

735

11-50

383

51-200

201-500

501-1,000

1,001-5,000

10001+

Conversational AI companies by metro

Metro	Companies
Conversational AI companies in San Francisco	145
Conversational AI companies in New York	97
Conversational AI companies in Los Angeles	40
Conversational AI companies in Austin	39
Conversational AI companies in Dover	27
Conversational AI companies in Miami	25
Conversational AI companies in Palo Alto	21

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 “conversational AI companies”, 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; 13 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 conversational AI companies are there based in the United States?

There are 1,245 conversational AI companies headquartered in the United States as of August 2026 (RevenueBase).

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 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.