Company lists · Data verified August 2026

Top 25 Ad exchange software companies based in the United States

Name: Ad exchange software companies 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 656 companies tracked

There are 656 ad exchange software companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 27,820 professional contacts across them, including 12,318 with verified work emails and 8,204 with mobile numbers. New York is the largest hub.

This list covers ad exchange 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.

656Companies

27,820Contacts tracked

12,318Verified emails

8,204Mobile numbers

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The 25 largest ad exchange software companies based in the United States

Ranked by team size

Top 25 of 656 ad exchange 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.
#	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	Inmobi Advertising	New York	1,001-5,000	1,320	488
5	Pubmatic	Redwood City, CA	501-1,000	1,285	946
6	BASIS	Chicago, IL	501-1,000	886	563
7	Nexxen	New York, NY	501-1,000	666	514
8	Innovid	Chicago, IL	501-1,000	640	430
9	Perion	New York, NY	501-1,000	613	355
10	MGID	Los Angeles, CA	501-1,000	571	225
11	Quantcast	Seattle, WA	501-1,000	496	282
12	Viant Technology	Denver, CO	201-500	415	336
13	Triplelift	New York, NY	201-500	409	222
14	Databeat	Princeton, NJ	201-500	363	125
15	Admedia	Los Angeles, CA	201-500	238	82
16	Mediavine	New York, NY	201-500	213	120
17	XANDR	New York	1,001-5,000	207	52
18	ADJOE	New York, NY	201-500	205	142
19	Appodeal, INC	Mclean, VA	201-500	205	75
20	Townsquare Ignite	Charlotte, NC	201-500	199	110
21	Infillion	New York, NY	501-1,000	190	152
22	Yahoo DSP	New York, NY	5,001-10,000	186	71
23	Sizmek By Amazon	New York, NY	1,001-5,000	139	5
24	ITN Networks	New York, NY	201-500	127	78
25	Danads	New York, NY	201-500	109	16

Showing 25 of 656 ad exchange software companies based in the United States

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Ad exchange software companies based in the United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

New YorkLargest hub · 147 HQs

8,204Contacts with mobile numbers

68Emails re-verified in last 30 days

Companies by employee count

1-10

214

11-50

276

51-200

106

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Ad exchange software companies by metro

Metro	Companies
Ad exchange software companies in New York	147
Ad exchange software companies in Los Angeles	33
Ad exchange software companies in Miami	32
Ad exchange software companies in San Francisco	31
Ad exchange software companies in Sheridan	16
Ad exchange software companies in Wilmington	14
Ad exchange software companies in Chicago	13

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 “ad exchange 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; 68 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 ad exchange software companies are there based in the United States?

There are 656 ad exchange software companies 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 ad exchange software companies?

New York leads with 147 headquartered companies, followed by Los Angeles (33) and Miami (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 12,318 verified decision-maker contacts tracked across these 656 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.