Company lists · Data verified August 2026

Top 25 AI customer service software based in the United States

Name: AI customer service software 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 1,225 companies tracked

There are 1,225 AI customer service software headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 31,652 professional contacts across them, including 13,631 with verified work emails and 8,137 with mobile numbers. San Francisco is the largest hub.

This list covers AI customer service software 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.

1,225Companies

31,652Contacts tracked

13,631Verified emails

8,137Mobile numbers

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The 25 largest AI customer service software based in the United States

Ranked by team size

Top 25 of 1,225 AI customer service software 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	Zendesk	Madison, WI	5,001-10,000	6,739	3,838
2	Verint	Chicago, IL	5,001-10,000	3,832	2,312
3	Five9	San Ramon, CA	1,001-5,000	2,578	1,583
4	Dialpad	San Ramon, CA	1,001-5,000	1,463	840
5	Sierra	San Francisco, CA	201-500	541	305
6	Soft Suave Technologies	Ellicott City, MD	201-500	375	51
7	observe.ai	Redwood City, CA	201-500	373	179
8	ASAPP	Mountain View, CA	201-500	327	153
9	Leena AI	San Francisco, CA	201-500	325	205
10	Callminer	Waltham, MA	201-500	316	225
11	Sms-Magic	Henderson, NV	51-200	293	56
12	Intelepeer	Centennial, CO	201-500	285	158
13	Kustomer	New York, NY	201-500	263	128
14	USHUR	Santa Clara, CA	201-500	252	96
15	gnani.ai	San Francisco, CA	51-200	230	95
16	Gladly	San Francisco, CA	201-500	218	152
17	Sestek	York	51-200	185	92
18	Trellissoft, INC	San Jose, CA	51-200	182	111
19	Blackbelthelp	Miami, FL	201-500	175	69
20	Drift, A Salesloft Company	Seattle, WA	501-1,000	168	15
21	Engageware	Tewksbury, MA	201-500	119	101
22	Commbox	Boston, MA	51-200	118	38
23	Forethought	San Francisco, CA	51-200	111	65
24	Astute NOW Emplifi	Columbus, OH	51-200	100	3
25	PYLON	San Francisco	51-200	95	59

Showing 25 of 1,225 AI customer service software based in the United States

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AI customer service software based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

San FranciscoLargest hub · 106 HQs

8,137Contacts with mobile numbers

88Emails re-verified in last 30 days

Companies by employee count

1-10

720

11-50

360

51-200

101

201-500

501-1,000

1,001-5,000

5,001-10,000

AI customer service software by metro

Metro	Companies
AI customer service software in San Francisco	106
AI customer service software in New York	71
AI customer service software in Austin	40
AI customer service software in Miami	40
AI customer service software in Los Angeles	28
AI customer service software in Sheridan	24
AI customer service software in Newark	20

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 “AI customer service software”, 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; 88 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 AI customer service software are there based in the United States?

There are 1,225 AI customer service software headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Zendesk, headquartered in Madison, tops this list with the largest team on record.

Which city has the most AI customer service software?

San Francisco leads with 106 headquartered companies, followed by New York (71) and Austin (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 13,631 verified decision-maker contacts tracked across these 1,225 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.