Company lists · Data verified August 2026

Top 25 Demand side platform agencies based in the United States

Name: Demand side platform agencies 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 2,054 companies tracked

There are 2,054 demand side platform agencies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 45,334 professional contacts across them, including 19,447 with verified work emails and 14,293 with mobile numbers. New York is the largest hub.

This list covers demand side platform agencies 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.

2,054Companies

45,334Contacts tracked

19,447Verified emails

14,293Mobile numbers

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The 25 largest demand side platform agencies based in the United States

Ranked by team size

Top 25 of 2,054 demand side platform agencies 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	The Trade Desk	Boston, MA	1,001-5,000	4,241	2,971
2	Taboola	New York, NY	1,001-5,000	1,978	417
3	TEADS	New York, NY	1,001-5,000	1,794	965
4	RTB House	San Francisco, CA	1,001-5,000	1,339	1,008
5	Inmobi Advertising	New York	1,001-5,000	1,320	488
6	Pubmatic	Redwood City, CA	501-1,000	1,285	946
7	Logical Position	Lake Oswego, OR	501-1,000	899	674
8	BASIS	Chicago, IL	501-1,000	886	563
9	Nexxen	New York, NY	501-1,000	666	514
10	Innovid	Chicago, IL	501-1,000	640	430
11	Perion	New York, NY	501-1,000	613	355
12	Quantcast	Seattle, WA	501-1,000	496	282
13	Tombras	Alexandria, VA	201-500	491	374
14	OPENX	Munchen	201-500	464	303
15	M C Saatchi Performance	New York, NY	201-500	455	287
16	PIXIS	CA	201-500	440	159
17	Viant Technology	Denver, CO	201-500	415	336
18	Triplelift	New York, NY	201-500	409	222
19	Unified	NY	201-500	402	204
20	Viamedia	Lexington, KY	201-500	384	95
21	Databeat	Princeton, NJ	201-500	363	125
22	Inmarket	Austin, TX	201-500	324	220
23	Harmelin Media	Bala Cynwyd, PA	201-500	299	203
24	Marin Software	St Louis, MO	201-500	281	1
25	Admedia	Los Angeles, CA	201-500	238	82

Showing 25 of 2,054 demand side platform agencies based in the United States

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Demand side platform agencies based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 235 HQs

14,293Contacts with mobile numbers

38Emails re-verified in last 30 days

Companies by employee count

1-10

1,071

11-50

666

51-200

221

201-500

501-1,000

1,001-5,000

5,001-10,000

Demand side platform agencies by metro

Metro	Companies
Demand side platform agencies in New York	235
Demand side platform agencies in Los Angeles	78
Demand side platform agencies in San Francisco	71
Demand side platform agencies in Miami	64
Demand side platform agencies in Chicago	41
Demand side platform agencies in Austin	40
Demand side platform agencies in Denver	36

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 “demand side platform agencies”, 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; 38 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 demand side platform agencies are there based in the United States?

There are 2,054 demand side platform agencies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

The Trade Desk, headquartered in Boston, tops this list with the largest team on record.

Which city has the most demand side platform agencies?

New York leads with 235 headquartered companies, followed by Los Angeles (78) and San Francisco (71).

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 19,447 verified decision-maker contacts tracked across these 2,054 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.