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Company lists · Data verified August 2026

Top 25 Customer relationship management platforms based in the United States

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 1,095 companies tracked

There are 1,095 customer relationship management platforms headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 17,780 professional contacts across them, including 6,100 with verified work emails and 5,110 with mobile numbers. New York is the largest hub.

This list covers customer relationship management platforms 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.

1,095Companies
17,780Contacts tracked
6,100Verified emails
5,110Mobile numbers
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The 25 largest customer relationship management platforms based in the United States

Ranked by team size
Top 25 of 1,095 customer relationship management platforms 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
1KlaviyoBoston, MA1,001-5,0002,8591,624
2MarigoldNashville, TN201-500818147
3VendastaBoston, MA501-1,000768268
4RolustechSan Francisco, CA201-50032576
5StayinfrontFairfield, NJ201-500324153
6affinity.coSan Francisco, CA201-500287164
7Genesys Interactive IntelligenceDaly City, CA1,001-5,00027684
8KustomerNew York, NY201-500263128
9BillingplatformEnglewood, CO201-500251149
10LeandataSanta Clara, CA51-200207126
11KEAPChandler, AZ201-50020058
12SoftcloudsSan Diego, CA201-500185108
13ACTScottsdale, AZ51-20017067
14CLOSENew York City, NY51-20014291
15Pipeliner CRMLos Angeles, CA51-20013525
16CLICKAtlanta, GA201-50013463
17Wealthboxn/a51-20012896
18Agile CRM By MantraDallas, TX51-2001003
19Steer By Mechanic AdvisorBoston, MA51-2009948
20Welcomehome SoftwareAtlanta, GA51-2008666
21LawmaticsSan Diego, CA51-2007858
22500apps By MantraNew York, NY201-500762
23Constant Contact Lead GEN & CRMGainesville, FL1,001-5,0007111
24Builder PrimeDenver, CO51-2007045
25Next4bizLos Angeles, CA51-2006842

Showing 25 of 1,095 customer relationship management platforms based in the United States

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Customer relationship management platforms based in the United States at a glance

As of Aug 28, 2026
11-50Median size (employees)
New YorkLargest hub · 58 HQs
5,110Contacts with mobile numbers
14Emails re-verified in last 30 days

Companies by employee count

1-10
539
11-50
398
51-200
114
201-500
28
501-1,000
5
1,001-5,000
8
5,001-10,000
1

Customer relationship management platforms by metro

MetroCompanies
Customer relationship management platforms in New York58
Customer relationship management platforms in San Francisco47
Customer relationship management platforms in Los Angeles23
Customer relationship management platforms in Chicago21
Customer relationship management platforms in Austin20
Customer relationship management platforms in Houston19
Customer relationship management platforms in Atlanta19

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 relationship management platforms”, 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; 14 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 relationship management platforms are there based in the United States?

There are 1,095 customer relationship management platforms headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Klaviyo, headquartered in Boston, tops this list with the largest team on record.

Which city has the most customer relationship management platforms?

New York leads with 58 headquartered companies, followed by San Francisco (47) and Los Angeles (23).

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 6,100 verified decision-maker contacts tracked across these 1,095 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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Related lists

Browse: Companies home · All United States lists · All Customer relationship management platforms lists · New lists

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.

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