Company lists · Data verified August 2026

Top 25 Advertising data management platforms based in the United States

Name: Advertising data management platforms 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 1,189 companies tracked

There are 1,189 advertising data management platforms headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 55,650 professional contacts across them, including 26,130 with verified work emails and 19,077 with mobile numbers. New York is the largest hub.

This list covers advertising data 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.

1,189Companies

55,650Contacts tracked

26,130Verified emails

19,077Mobile numbers

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The 25 largest advertising data management platforms based in the United States

Ranked by team size

Top 25 of 1,189 advertising data 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.
#	Company	HQ	Employees	Contacts	Verified emails
1	Epsilon	West Chicago, IL	5,001-10,000	9,983	4,221
2	The Trade Desk	Boston, MA	1,001-5,000	4,241	2,971
3	Zeta Global	Nashville, TN	1,001-5,000	2,570	1,644
4	TEADS	New York, NY	1,001-5,000	1,794	965
5	RTB House	San Francisco, CA	1,001-5,000	1,339	1,008
6	Inmobi Advertising	New York	1,001-5,000	1,320	488
7	Pubmatic	Redwood City, CA	501-1,000	1,285	946
8	BASIS	Chicago, IL	501-1,000	886	563
9	Shift Digital	Reston, VA	501-1,000	720	514
10	MNTN	Remote, TX	201-500	694	435
11	Nexxen	New York, NY	501-1,000	666	514
12	Innovid	Chicago, IL	501-1,000	640	430
13	Perion	New York, NY	501-1,000	613	355
14	Videoamp	Los Angeles, CA	201-500	568	306
15	SKAI	San Francisco, CA	501-1,000	565	407
16	Quantcast	Seattle, WA	501-1,000	496	282
17	Branch	Mountain View, CA	201-500	456	286
18	PIXIS	CA	201-500	440	159
19	Viant Technology	Denver, CO	201-500	415	336
20	Databeat	Princeton, NJ	201-500	363	125
21	Validity INC	Tampa, FL	201-500	349	229
22	Outfront Media	New York, NY	1,001-5,000	336	159
23	Inmarket	Austin, TX	201-500	324	220
24	DISQO	Newtown, CT	201-500	307	205
25	Harmelin Media	Bala Cynwyd, PA	201-500	299	203

Showing 25 of 1,189 advertising data management platforms based in the United States

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Advertising data management platforms based in the United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

New YorkLargest hub · 214 HQs

19,077Contacts with mobile numbers

169Emails re-verified in last 30 days

Companies by employee count

1-10

459

11-50

422

51-200

212

201-500

501-1,000

1,001-5,000

5,001-10,000

Advertising data management platforms by metro

Metro	Companies
Advertising data management platforms in New York	214
Advertising data management platforms in San Francisco	60
Advertising data management platforms in Los Angeles	39
Advertising data management platforms in Chicago	34
Advertising data management platforms in Miami	34
Advertising data management platforms in Austin	23
Advertising data management platforms in Denver	22

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 “advertising data 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; 169 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 advertising data management platforms are there based in the United States?

There are 1,189 advertising data management platforms 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 advertising data management platforms?

New York leads with 214 headquartered companies, followed by San Francisco (60) and Los Angeles (39).

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 26,130 verified decision-maker contacts tracked across these 1,189 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.