Company lists · Data refreshed September 2026

Top 25 Programmatic companies based in the United States

Name: Programmatic companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 2,626 companies tracked

RevenueBase identified 2,626 programmatic companies headquartered in the United States as of September 2026 and tracks 73,598 professional contacts across them, including 27,619 with verified work emails. New York is the largest hub.

This list covers programmatic 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. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 21, 2026 86% judged on-target in blind review

2,626Companies

73,598Contacts tracked

27,619Verified emails

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The 25 largest programmatic companies based in the United States

Ranked by team size

Top 25 of 2,626 programmatic companies based in the United States, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to programmatic companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	The Trade Desk	Indirect evidence	Ventura, CA, United StatesHQ checked Sep 21, 2026	1,001-5,000	4,307 contacts →
	Indirect evidence “It's more than just clicks.” Source: RevenueBase Database · checked Sep 21, 2026
2	Clear Channel Outdoor	Indirect evidence	New York, NY, United StatesHQ checked Sep 21, 2026	1,001-5,000	2,462 contacts →
	Indirect evidence “Clear Channel Outdoor Holdings, Inc.(NYSE: CCO) is at the forefront of driving innovation in the out-of-home advertising industry.” Source: RevenueBase Database · checked Sep 21, 2026
3	Affinityx	Indirect evidence	Elgin, IL, United StatesHQ checked Sep 21, 2026	1,001-5,000	2,258 contacts →
	Indirect evidence “AffinityX is a new kind of technology company built on decades of operational process excellence.” Source: RevenueBase Database · checked Sep 21, 2026
4	Taboola	Indirect evidence	New York, NY, United StatesHQ checked Sep 21, 2026	1,001-5,000	1,979 contacts →
	Indirect evidence “Taboola empowers businesses to grow through performance advertising technology that goes beyond search and social and delivers measurable outcomes at scale.” Source: RevenueBase Database · checked Sep 21, 2026
5	TEADS	Indirect evidence	New York, NY, United StatesHQ checked Sep 21, 2026	1,001-5,000	1,789 contacts →
	Indirect evidence “Teads Holding Co.(“Teads”)(Nasdaq: TEAD) is a leading omnichannel advertising platform focused on driving outcomes for brand and performance advertisers across screens.” Source: RevenueBase Database · checked Sep 21, 2026
6	Pubmatic	Indirect evidence	Redwood City, CA, United StatesHQ checked Sep 21, 2026	501-1,000	1,297 contacts →
	Indirect evidence “PubMatic is the leading AI-powered ad tech company delivering digital advertising performance.” Source: RevenueBase Database · checked Sep 21, 2026
7	Freewheel	Indirect evidence	New York, NY, United StatesHQ checked Sep 21, 2026	1,001-5,000	1,273 contacts →
	Indirect evidence “FreeWheel’s TV and video advertising technology is built for today’s ever-evolving multiscreen ecosystem.” Source: RevenueBase Database · checked Sep 21, 2026
8	Centro	Strong evidence	Chicago, IL, United StatesHQ checked Sep 21, 2026	501-1,000	1,178 contacts →
	Strong evidence “Basis Technologies is a global provider of workflow automation, intelligence and programmatic trading software for the marketing enterprise.” Source: RevenueBase Database · checked Sep 21, 2026
9	Tinuiti	Indirect evidence	New York, NY, United StatesHQ checked Sep 21, 2026	1,001-5,000	1,173 contacts →
	Indirect evidence “Tinuiti is a media agency that not only builds brands, but architects business outcomes.” Source: RevenueBase Database · checked Sep 21, 2026
10	PMG	Indirect evidence	Dallas, TX, United StatesHQ checked Sep 21, 2026	1,001-5,000	1,103 contacts →
	Indirect evidence “PMG is a global, independent platform company engineered for impact.” Source: RevenueBase Database · checked Sep 21, 2026
11	Mediaocean	Indirect evidence	New York, NY, United StatesHQ checked Sep 21, 2026	1,001-5,000	1,050 contacts →
	Indirect evidence “Mediaocean is powering the future of the advertising ecosystem with technology that empowers brands and agencies to deliver impactful omnichannel marketing experiences.” Source: RevenueBase Database · checked Sep 21, 2026
12	XR Extreme Reach	Indirect evidence	Hudson Yards, NY, United StatesHQ checked Sep 21, 2026	1,001-5,000	940 contacts →
	Indirect evidence “XR Extreme Reach is the leading platform for managing advertising operations.” Source: RevenueBase Database · checked Sep 21, 2026
13	BASIS	Strong evidence	Chicago, IL, United StatesHQ checked Sep 21, 2026	501-1,000	891 contacts →
	Strong evidence “Basis is a global provider of media automation and programmatic advertising software and services for enterprises.” Source: RevenueBase Database · checked Sep 21, 2026
14	KARGO	Indirect evidence	New York, NY, United StatesHQ checked Sep 21, 2026	201-500	843 contacts →
	Indirect evidence “Kargo creates memorable experiences for advertisers that go beyond the first impression to captivate consumer attention.” Source: RevenueBase Database · checked Sep 21, 2026
15	simpli.fi	Indirect evidence	Fort Worth, TX, United StatesHQ checked Sep 21, 2026	501-1,000	680 contacts →
	Indirect evidence “Simpli.fi is a real-world media platform that connects digital intent with physical movement, helping brands reach audiences in the right place, at the right moment, to drive…” Source: RevenueBase Database · checked Sep 21, 2026
16	Nexxen	Indirect evidence	New York, NY, United StatesHQ checked Sep 21, 2026	501-1,000	673 contacts →
	Indirect evidence “Nexxen is the advertising platform that delivers full-funnel performance powered by unique data and media.” Source: RevenueBase Database · checked Sep 21, 2026
17	Innovid	Indirect evidence	New York, NY, United StatesHQ checked Sep 21, 2026	501-1,000	640 contacts →
	Indirect evidence “Innovid is the leading independent ad tech platform, empowering marketers to create, deliver, measure, and optimize ad-supported experiences that people love.” Source: RevenueBase Database · checked Sep 21, 2026
18	MGID	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 21, 2026	501-1,000	568 contacts →
	Indirect evidence “MGID is a global advertising platform helping brands and publishers succeed on the open web with performance-driven, AI-powered native solutions.” Source: RevenueBase Database · checked Sep 21, 2026
19	Operative	Indirect evidence	New York, NY, United StatesHQ checked Sep 21, 2026	1,001-5,000	532 contacts →
	Indirect evidence “With $8.5B in digital ad revenue and $40B in global TV ad revenue flowing through the systems, Operative plays a crucial role in helping the world’s top media companies and…” Source: RevenueBase Database · checked Sep 21, 2026
20	Quantcast	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 21, 2026	501-1,000	491 contacts →
	Indirect evidence “Quantcast is the AI-powered ad platform built for performance marketers.” Source: RevenueBase Database · checked Sep 21, 2026
21	Affinity Global	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 21, 2026	201-500	446 contacts →
	Indirect evidence “Affinity is a leading global AdTech company, empowering publishers to maximize revenue and enabling advertisers to reach their ideal audiences.” Source: RevenueBase Database · checked Sep 21, 2026
22	Mspark	Indirect evidence	Helena, AL, United StatesHQ checked Sep 21, 2026	201-500	442 contacts →
	Indirect evidence “Mspark is a results-driven marketing partner built for accountability.” Source: RevenueBase Database · checked Sep 21, 2026
23	VERVE	Indirect evidence	New York, NY, United StatesHQ checked Sep 21, 2026	501-1,000	436 contacts →
	Indirect evidence “Verve is a global leading advertising technology company, connecting advertisers seeking to buy digital ad space with publishers monetizing their content.” Source: RevenueBase Database · checked Sep 21, 2026
24	PIXIS	Indirect evidence	CA, United StatesHQ checked Sep 21, 2026	201-500	424 contacts →
	Indirect evidence “Pixis is a complete, AI-powered advertising solution helping consumer brands improve ad performance and streamline workflows.” Source: RevenueBase Database · checked Sep 21, 2026
25	Viant Technology	Strong evidence	Irvine, CA, United StatesHQ checked Sep 21, 2026	201-500	418 contacts →
	Strong evidence “Viant Technology Inc.(NASDAQ: DSP) is a leader in AI-powered programmatic advertising, dedicated to driving innovation in digital marketing.” Source: RevenueBase Database · checked Sep 21, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: programmatic companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names programmatic companies.
Partial evidence: Its own public description names part of programmatic companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name programmatic companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 2,626 programmatic companies based in the United States

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Programmatic companies based in the United States at a glance

As of Sep 21, 2026

37.5%Verified-email coverage

28.0Average contacts per company

11-50Median size (employees)

14.7%Largest-city concentration · New York

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

1,201

11-50

926

51-200

342

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 2,626 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among programmatic companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “programmatic companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names programmatic companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among programmatic companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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: Every listed company carries at least one verified work email, 27,619 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 21, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Programmatic companies by metro

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names programmatic companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many programmatic companies are there based in the United States?

RevenueBase identified 2,626 programmatic companies headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

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

Which city has the most programmatic companies?

New York leads with 387 headquartered companies, followed by Los Angeles (125) and San Francisco (116).

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 27,619 verified decision-maker contacts tracked across these 2,626 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.