Company lists · Data refreshed September 2026

Top 24 Integrated marketing agencies based in the United States

Name: Integrated marketing agencies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 4, 2026 30,648 companies tracked

RevenueBase identified 30,648 integrated marketing agencies headquartered in the United States as of September 2026 and tracks 331,076 professional contacts across them, including 96,880 with verified work emails and 114,024 with mobile numbers. New York is the largest hub.

This list covers integrated marketing 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. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed September 4, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 Match evidence on every row Refreshed Sep 4, 2026 86% judged on-target in blind review

30,648Companies

331,076Contacts tracked

96,880Verified emails

114,024Mobile numbers

Unlock all 30,648 companies Free signup · no credit card · 500 free credits

The 24 largest integrated marketing agencies based in the United States

Ranked by team size

Top 24 of 30,648 integrated marketing agencies based in the United States, ranked by team size, largest first. Data refreshed Sep 4, 2026. Evidence rates how directly each company's own description names integrated marketing agencies: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#	Company	Headquarters	Employees	Contacts
1	QUADPartial evidence	Sussex, WI, United StatesHQ checked Sep 4, 2026	10001+	9,571
	“Quad (NYSE: QUAD) is a global marketing experience company that helps brands make direct consumer connections, from household to in-store to online.” Source: company website · checked Sep 4, 2026
2	Deloitte DigitalIndirect evidence	Denver, CO, United StatesHQ checked Sep 4, 2026	10001+	7,701
	“At Deloitte Digital, we connect brands with the right strategies and tools to create great impact.” Source: company website · checked Sep 4, 2026
3	LEO BurnettIndirect evidence	Chicago, IL, United StatesHQ checked Sep 4, 2026	5,001-10,000	5,394
	“Leo Burnett is a communications agency powered by its HumanKind operating system, with the belief that creativity, data and technology work together to transform human behavior…” Source: company website · checked Sep 4, 2026
4	Omnicom Media GroupIndirect evidence	New York, United StatesHQ checked Sep 4, 2026	10001+	4,016
	“Omnicom Media Group (OMG), the media services division of Omnicom Group Inc, delivers transformational experiences for consumers, clients, and talent.” Source: company website · checked Sep 4, 2026
5	Mccann WorldgroupIndirect evidence	New York, NY, United StatesHQ checked Sep 4, 2026	10001+	3,879
	“McCann Worldgroup, part of the Interpublic Group (NYSE: IPG), is the irrefutable leader in the business of creativity.” Source: company website · checked Sep 4, 2026
6	ThompsonIndirect evidence	New York, IL, United StatesHQ checked Sep 4, 2026	5,001-10,000	3,576
	“J.” Source: company website · checked Sep 4, 2026
7	Digitas North AmericaIndirect evidence	Boston, MA, United StatesHQ checked Sep 4, 2026	1,001-5,000	2,692
	“Digitas is the Networked Experience Agency, built on the vision that we create magnetic experiences that earn the right for brands to exist in human networks.” Source: company website · checked Sep 4, 2026
8	PublicisIndirect evidence	New York, CA, United StatesHQ checked Sep 4, 2026	1,001-5,000	2,551
	“You can either adapt to change, ignore it or lead it.” Source: company website · checked Sep 4, 2026
9	Best Version MediaPartial evidence	Brookfield, WI, United StatesHQ checked Sep 4, 2026	n/a	2,396
	“Best Version Media simplifies local marketing by offering small and midsize businesses a complete mix of solutions to keep them top-of-mind, from community magazine ads to digital…” Source: company website · checked Sep 4, 2026
10	Horizon MediaIndirect evidence	New York, CA, United StatesHQ checked Sep 4, 2026	1,001-5,000	2,354
	“Horizon Media is a leader in driving business-based outcomes for marketers.” Source: company website · checked Sep 4, 2026
11	Assembly GlobalIndirect evidence	New York, CA, United StatesHQ checked Sep 4, 2026	1,001-5,000	2,293
	“Assembly is a global omnichannel agency built for brands that want a more modern approach to building brands that perform.” Source: company website · checked Sep 4, 2026
12	Marketing WerksStrong evidence	Chicago, IL, United StatesHQ checked Sep 4, 2026	n/a	2,176
	“Marketing Werks has become Product Connections, a fully integrated engagement agency specializing in omnichannel solutions that build relationships between brands and consumers.” Source: company website · checked Sep 4, 2026
13	Wunderman ThompsonIndirect evidence	New York, NY, United StatesHQ checked Sep 4, 2026	10001+	1,886
	“Part creative agency, part consultancy and part technology company, we inspire growth for ambitious brands.” Source: company website · checked Sep 4, 2026
14	RazorfishIndirect evidence	New York, NY, United StatesHQ checked Sep 4, 2026	1,001-5,000	1,799
	“Hi there!” Source: company website · checked Sep 4, 2026
15	OmnicomPartial evidence	New York, NY, United StatesHQ checked Sep 4, 2026	10001+	1,702
	“Omnicom is the world’s leading marketing and sales company, built for intelligent growth in the next era.” Source: company website · checked Sep 4, 2026
16	Young & RubicamPartial evidence	New York, NY, United StatesHQ checked Sep 4, 2026	10001+	1,595
	“Y&R is a leading global marketing communications company, with more than 189 offices in 90+ countries.” Source: company website · checked Sep 4, 2026
17	VaynermediaIndirect evidence	New York, NY, United StatesHQ checked Sep 4, 2026	1,001-5,000	1,420
	“VaynerMedia is a contemporary global creative and media agency with an expertise in driving relevance for clients and delivering impactful business results.” Source: company website · checked Sep 4, 2026
18	TBCIndirect evidence	Baltimore, MD, United StatesHQ checked Sep 4, 2026	n/a	1,254
	“TBC is an independently owned, full-service branding, advertising and strategic communications agency with headquarters in Baltimore, Maryland, USA.” Source: company website · checked Sep 4, 2026
19	MccannIndirect evidence	New York, NY, United StatesHQ checked Sep 4, 2026	10001+	1,197
	“We build enduring brands that move people and markets through the radical creativity of Truth Well Told™.” Source: company website · checked Sep 4, 2026
20	TinuitiIndirect evidence	New York, PA, United StatesHQ checked Sep 4, 2026	1,001-5,000	1,181
	“Tinuiti is a media agency that not only builds brands, but architects business outcomes.” Source: company website · checked Sep 4, 2026
21	FCB GlobalIndirect evidence	New York, NY, United StatesHQ checked Sep 4, 2026	5,001-10,000	1,106
	“FCB is a global creative powerhouse committed to transforming brands, businesses, and lives through the economic power of creativity.” Source: company website · checked Sep 4, 2026
22	MaterialPartial evidence	Los Angeles, CA, United StatesHQ checked Sep 4, 2026	1,001-5,000	1,088
	“Material is a leading insights, marketing and technology company striving for true customer centricity and ongoing relevance in a digital-first, customer-led world.” Source: company website · checked Sep 4, 2026
23	Ackerman McqueenIndirect evidence	Oklahoma City, TX, United StatesHQ checked Sep 4, 2026	n/a	1,010
	“Ackerman McQueen builds our clients’ brands and businesses through strategic, emotional storytelling across every conceivable medium.” Source: company website · checked Sep 4, 2026
24	Zeno GroupPartial evidence	New York, NY, United StatesHQ checked Sep 4, 2026	501-1,000	901
	“Zeno Group is the fiercely independent and global, integrated communications agency, born from PR.” Source: company website · checked Sep 4, 2026

Showing 24 of 30,648 integrated marketing agencies based in the United States

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Integrated marketing agencies based in the United States at a glance

As of Sep 4, 2026

1-10Median size (employees)

New YorkLargest hub · 1603 HQs

114,024Contacts with mobile numbers

Sep 4, 2026Data refreshed

Companies by employee count

1-10

21,603

11-50

7,406

51-200

1,207

201-500

254

501-1,000

1,001-5,000

5,001-10,000

10001+

Verified emails by last verification

0–30

31–60

7,594

61–90

51,676

90–180

36,707

180+

903

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 integrated marketing agencies, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, 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 “integrated marketing agencies”. Matching reads each company's description, not its industry code or its name.
What we exclude: Companies whose own description does not clearly place them among integrated marketing agencies, 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 an evidence 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, 96,880 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 4, 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.

Integrated marketing agencies by metro

Frequently asked

How many integrated marketing agencies are there based in the United States?

RevenueBase identified 30,648 integrated marketing agencies 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?

QUAD, headquartered in Sussex, tops this list with the largest team on record.

Which city has the most integrated marketing agencies?

New York leads with 1603 headquartered companies, followed by Los Angeles (1032) and Miami (670).

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 96,880 verified decision-maker contacts tracked across these 30,648 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 4, 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 SmartSearch, 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.