Company lists · Data verified August 2026

Top 25 Customer data platform developers based in the United States

Name: Customer data platform developers 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 1,374 companies tracked

There are 1,374 customer data platform developers headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 43,337 professional contacts across them, including 16,234 with verified work emails and 13,901 with mobile numbers. New York is the largest hub.

This list covers customer data platform developers 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.

1,374Companies

43,337Contacts tracked

16,234Verified emails

13,901Mobile numbers

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The 25 largest customer data platform developers based in the United States

Ranked by team size

Top 25 of 1,374 customer data platform developers 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	Epsilon	West Chicago, IL	5,001-10,000	9,983	4,221
2	Klaviyo	Boston, MA	1,001-5,000	2,859	1,624
3	Cloud Software Group	Burlington, MA	10001+	2,023	947
4	Data Axle	Dallas, TX	1,001-5,000	1,082	642
5	Activecampaign	Chicago, IL	1,001-5,000	852	581
6	Marigold	Nashville, TN	201-500	818	147
7	IBI Information Builders	Fort Lauderdale, FL	5,001-10,000	770	22
8	Vendasta	Boston, MA	501-1,000	768	268
9	Movable INK	Chicago, IL	501-1,000	667	406
10	Optimove	New York, NY	501-1,000	577	88
11	Analytic Partners	Miami, FL	501-1,000	561	345
12	Dotdigital	New York, NY	201-500	488	347
13	YES Marketing	Louisville, CO	201-500	482	3
14	Infogroup	Portland, OR	1,001-5,000	480	87
15	Invoca	West Hollywood, CA	201-500	384	258
16	HCL Unica	Sunnyvale, CA	10001+	380	8
17	Hightouch	San Francisco, CA	201-500	354	68
18	Targetbase	Raleigh, NC	201-500	317	125
19	Anteriad Form. True Influence	Princeton, NJ	201-500	310	74
20	Amperity	Seattle, WA	201-500	309	200
21	marketing.com	Eureka, MO	1,001-5,000	308	138
22	KNOWN	Cambridge, MA	201-500	299	191
23	Listrak	Lititz, PA	201-500	298	173
24	Claritas	Cincinnati, OH	201-500	295	166
25	Hevo Data	San Francisco, CA	201-500	273	113

Showing 25 of 1,374 customer data platform developers based in the United States

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Customer data platform developers based in the United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

New YorkLargest hub · 87 HQs

13,901Contacts with mobile numbers

26Emails re-verified in last 30 days

Companies by employee count

1-10

629

11-50

467

51-200

197

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Customer data platform developers by metro

Metro	Companies
Customer data platform developers in New York	87
Customer data platform developers in San Francisco	56
Customer data platform developers in Chicago	32
Customer data platform developers in Austin	28
Customer data platform developers in Atlanta	26
Customer data platform developers in Boston	24
Customer data platform developers in Dallas	24

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 data platform developers”, 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; 26 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 data platform developers are there based in the United States?

There are 1,374 customer data platform developers headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Epsilon, headquartered in West Chicago, tops this list with the largest team on record.

Which city has the most customer data platform developers?

New York leads with 87 headquartered companies, followed by San Francisco (56) and Chicago (32).

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 16,234 verified decision-maker contacts tracked across these 1,374 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.