Company lists · Data verified August 2026

Top 25 Chatbot and conversational AI companies based in the United States

There are 1,898 chatbot and conversational AI companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 33,576 professional contacts across them, including 10,343 with verified work emails and 7,380 with mobile numbers. San Francisco is the largest hub.

This list covers chatbot and 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.

1,898Companies
33,576Contacts tracked
10,343Verified emails
7,380Mobile numbers
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The 25 largest chatbot and conversational AI companies based in the United States

Ranked by team size
Top 25 of 1,898 chatbot and 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.
#CompanyHQEmployeesContactsVerified emails
1Nuance CommunicationsSeattle, WA10001+3,587564
2DialpadSan Ramon, CA1,001-5,0001,463840
3SierraSan Francisco, CA201-500541305
4AGORASanta Clara, CA501-1,000516140
5GorgiasSan Francisco, CA201-500486263
6Soft Suave TechnologiesEllicott City, MD201-50037551
7observe.aiRedwood City, CA201-500373179
8Flip Robo Technologies LLCHouston, TX201-5003491
9ASAPPMountain View, CA201-500327153
10Leena AISan Francisco, CA201-500325205
11CallminerWaltham, MA201-500316225
12Sms-MagicHenderson, NV51-20029356
13IntelepeerCentennial, CO201-500285158
14InconcertMiami, FL201-50026249
15USHURSanta Clara, CA201-50025296
16otter.aiMountain View, CA51-200249173
17gnani.aiSan Francisco, CA51-20023095
18character.aiRedwood City, CA51-20022875
19GladlySan Francisco, CA201-500218152
20MarchexSeattle, WA201-50019697
21Trellissoft, INCSan Jose, CA51-200182111
22Pronix INCPlainsboro, NJ201-50018033
23Drift, A Salesloft CompanySeattle, WA501-1,00016815
24DRIPSAkron, OH51-200142103
25AssembledNew York, NY51-20014031

Showing 25 of 1,898 chatbot and conversational AI companies based in the United States

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Chatbot and conversational AI companies based in the United States at a glance

As of Aug 28, 2026
1-10Median size (employees)
San FranciscoLargest hub · 182 HQs
7,380Contacts with mobile numbers
47Emails re-verified in last 30 days

Companies by employee count

1-10
1,154
11-50
548
51-200
133
201-500
46
501-1,000
7
1,001-5,000
4
10001+
3

Chatbot and conversational AI companies by metro

MetroCompanies
Chatbot and conversational AI companies in San Francisco182
Chatbot and conversational AI companies in New York137
Chatbot and conversational AI companies in Miami56
Chatbot and conversational AI companies in Austin53
Chatbot and conversational AI companies in Los Angeles52
Chatbot and conversational AI companies in Sheridan40
Chatbot and conversational AI companies in Dover35

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 “chatbot and 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; 47 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 chatbot and conversational AI companies are there based in the United States?

There are 1,898 chatbot and 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 chatbot and conversational AI companies?

San Francisco leads with 182 headquartered companies, followed by New York (137) and Miami (56).

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 10,343 verified decision-maker contacts tracked across these 1,898 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.