Company lists · Data verified August 2026

Top 25 Customer support software companies based in the United States

There are 139 customer support software companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 4,599 professional contacts across them, including 1,303 with verified work emails and 693 with mobile numbers. New York is the largest hub.

This list covers customer support software 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.

139Companies
4,599Contacts tracked
1,303Verified emails
693Mobile numbers
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The 25 largest customer support software companies based in the United States

Ranked by team size
Top 25 of 139 customer support software 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
1SupportninjaAustin, TX1,001-5,0001,695547
2OnesupportSan Marcos, TX1,001-5,000478114
3KustomerNew York, NY201-500263128
4HIVERSan Jose, CA51-20022924
5Help ScoutBoston, MA51-20021694
6LtvplusBrandon, FL201-50018849
7tawk.toLas Vegas, NV201-50012928
8PYLONSan Francisco51-2009559
9Bayside Support Services LLCDavie, FL51-2008342
10JUGLFrisco, TX11-50649
11acquire.ioSan Francisco, CA201-500567
12KayakoAustin, TX51-200561
13Equinox AgentsChandler, AZ51-200467
14IssuetrakVirginia Beach, VA11-504120
15Envision By CapacityUniversity City, MO51-200372
16Resolved CXNew York City, NY51-200359
17RichpanelSan Jose, CA11-503315
18Desk365n/a11-503111
19Adrenaline TechnologiesAlpharetta, GA51-2002212
2080024support.comSan Diego, CA51-200221
21Primeshare INCSan Jose, CA51-200221
22SolvpathNew York, NY11-502113
23ChannelsSan Francisco, CA11-50197
24ParatureReston, VA51-200161
25Isupport SoftwareVancouver, WA11-50159

Showing 25 of 139 customer support software companies based in the United States

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Customer support software companies based in the United States at a glance

As of Aug 28, 2026
11-50Median size (employees)
New YorkLargest hub · 15 HQs
693Contacts with mobile numbers
0Emails re-verified in last 30 days

Companies by employee count

1-10
52
11-50
48
51-200
27
201-500
9
1,001-5,000
2

Customer support software companies by metro

MetroCompanies
Customer support software companies in New York15
Customer support software companies in San Francisco11
Customer support software companies in San Jose6
Customer support software companies in Austin3
Customer support software companies in Chandler2
Customer support software companies in Tampa2
Customer support software companies in Covina2

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 “customer support software 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; 0 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 customer support software companies are there based in the United States?

There are 139 customer support software companies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Supportninja, headquartered in Austin, tops this list with the largest team on record.

Which city has the most customer support software companies?

New York leads with 15 headquartered companies, followed by San Francisco (11) and San Jose (6).

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 1,303 verified decision-maker contacts tracked across these 139 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.