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Company lists · Data refreshed September 2026

Top 25 Response marketing agencies based in the United States

Compiled by the RevenueBase Data Team Data refreshed Sep 5, 2026 22,084 companies tracked

RevenueBase identified 22,084 response marketing agencies headquartered in the United States as of September 2026 and tracks 219,638 professional contacts across them, including 67,479 with verified work emails and 77,468 with mobile numbers. New York is the largest hub.

This list covers response 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 5, 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 5, 2026 86% judged on-target in blind review
22,084Companies
219,638Contacts tracked
67,479Verified emails
77,468Mobile numbers
Explore all 22,084 companies → Free signup · no credit card · 500 free credits

The 25 largest response marketing agencies based in the United States

Ranked by team size
Top 25 of 22,084 response marketing agencies based in the United States, ranked by team size, largest first. Data refreshed Sep 5, 2026. Evidence rates how directly each company's own description names response 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.
#CompanyHeadquartersEmployeesContacts
1
Digitas North AmericaIndirect evidence
Boston, MA, United StatesHQ checked Sep 5, 20261,001-5,0002,654

“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 5, 2026
2
GREYIndirect evidence
New York, NY, United StatesHQ checked Sep 5, 20265,001-10,0002,648

“Grey’s mission is to create Famously Effective ideas that move people, business, and the world forward-harnessing the power of creativity to solve business problems and deliver…”

Source: company website · checked Sep 5, 2026
3
PublicisIndirect evidence
New York, NY, United StatesHQ checked Sep 5, 20261,001-5,0002,531

“You can either adapt to change, ignore it or lead it.”

Source: company website · checked Sep 5, 2026
4
Marketing WerksPartial evidence
Chicago, IL, United StatesHQ checked Sep 5, 2026n/a2,182

“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 5, 2026
5
RazorfishIndirect evidence
New York, NY, United StatesHQ checked Sep 5, 20261,001-5,0001,763

“Hi there!”

Source: company website · checked Sep 5, 2026
6
Power Digital MarketingPartial evidence
San Diego, CA, United StatesHQ checked Sep 5, 2026501-1,0001,570

“Power Digital is a growth marketing firm fueled by technology and driven by a talented team of consultative marketers, creatives, analysts and technologists.”

Source: company website · checked Sep 5, 2026
7
Hearts & ScienceIndirect evidence
New York, NY, United StatesHQ checked Sep 5, 20261,001-5,0001,359

“Hearts & Science, an Omnicom Media Group agency, transforms data signals into meaningful connections between brands and consumers that drive exponential growth.”

Source: company website · checked Sep 5, 2026
8
TBCIndirect evidence
Baltimore, MD, United StatesHQ checked Sep 5, 2026n/a1,255

“TBC is an independently owned, full-service branding, advertising and strategic communications agency with headquarters in Baltimore, Maryland, USA.”

Source: company website · checked Sep 5, 2026
9
FCB GlobalIndirect evidence
New York, NY, United StatesHQ checked Sep 5, 20265,001-10,0001,080

“FCB is a global creative powerhouse committed to transforming brands, businesses, and lives through the economic power of creativity.”

Source: company website · checked Sep 5, 2026
10
GTBPartial evidence
Detroit, MI, United StatesHQ checked Sep 5, 20261,001-5,0001,064

“GTB is a global performance marketing agency, creating ideas that inspire people to act.”

Source: company website · checked Sep 5, 2026
11
BrainlabsIndirect evidence
New York, NY, United StatesHQ checked Sep 5, 20261,001-5,0001,010

“Brainlabs is an independent, AI-native media agency built to grow client revenue and prove the impact of every dollar spent on media.”

Source: company website · checked Sep 5, 2026
12
Logical PositionIndirect evidence
Lake Oswego, OR, United StatesHQ checked Sep 5, 2026501-1,000899

“Logical Position (LP) is an Inc.”

Source: company website · checked Sep 5, 2026
13
NP DigitalIndirect evidence
San Diego, CA, United StatesHQ checked Sep 5, 20261,001-5,000866

“Neil Patel has been recognized by the Wall Street Journal, Forbes, and the United Nations, to name a few, as one of the most influential and successful marketers and entrepreneurs…”

Source: company website · checked Sep 5, 2026
14
160over90Partial evidence
New York, NY, United StatesHQ checked Sep 5, 2026501-1,000849

“160over90 is an award-winning global marketing agency which forges stronger human connections and creates shared moments where people feel something real.”

Source: company website · checked Sep 5, 2026
15
WongdoodyIndirect evidence
New York, NY, United StatesHQ checked Sep 5, 20261,001-5,000849

“We’re WongDoody, the creative technology agency.”

Source: company website · checked Sep 5, 2026
16
MERGEPartial evidence
Chicago, IL, United StatesHQ checked Sep 5, 2026501-1,000816

“MERGE is a marketing and technology agency built for the intersection of health and wellness.”

Source: company website · checked Sep 5, 2026
17
EssenceIndirect evidence
San Francisco, CA, United StatesHQ checked Sep 5, 20261,001-5,000782

“Formerly Essence, we are now EssenceMediacom.”

Source: company website · checked Sep 5, 2026
18
Allied Global MarketingPartial evidence
Los Angeles, CA, United StatesHQ checked Sep 5, 2026201-500750

“In business for over 30 years, Allied has built upon its roots in film advertising and publicity to become a global leader in entertainment, culture, and lifestyle marketing.”

Source: company website · checked Sep 5, 2026
19
AnomalyIndirect evidence
New York, NY, United StatesHQ checked Sep 5, 2026501-1,000744

“Founded in 2004, Anomaly is a difficult to define, but exciting to work at 'new model' agency.”

Source: company website · checked Sep 5, 2026
20
Bernstein-Rein AdvertisingIndirect evidence
Kansas City, MO, United StatesHQ checked Sep 5, 2026201-500740

“Six decades in retail taught us something most agencies never learn.”

Source: company website · checked Sep 5, 2026
21
Zimmerman AdvertisingIndirect evidence
Fort Lauderdale, FL, United StatesHQ checked Sep 5, 2026501-1,000610

“Welcome to the machine.”

Source: company website · checked Sep 5, 2026
22
JPLIndirect evidence
Harrisburg, PA, United StatesHQ checked Sep 5, 2026n/a609

“JPL is a full-service agency dedicated to helping clients achieve more.”

Source: company website · checked Sep 5, 2026
23
Vertis CommunicationsIndirect evidence
Sussex, WI, United StatesHQ checked Sep 5, 202610001+605

“Vertis Communications was acquired by Quad/Graphics in January 2013.”

Source: company website · checked Sep 5, 2026
24
CMDIndirect evidence
Portland, OR, United StatesHQ checked Sep 5, 2026n/a604

“Take command of every opportunity with a partner that gets results.”

Source: company website · checked Sep 5, 2026
25
IquantiPartial evidence
Jersey City, NJ, United StatesHQ checked Sep 5, 2026501-1,000538

“iQuanti was founded to deliver on the promise of high-performance digital marketing, combining deep analytics, proprietary technology, and a results-driven approach.”

Source: company website · checked Sep 5, 2026

Showing 25 of 22,084 response marketing agencies based in the United States

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Response marketing agencies based in the United States at a glance

As of Sep 5, 2026
1-10Median size (employees)
New YorkLargest hub · 1145 HQs
77,468Contacts with mobile numbers
Sep 5, 2026Data refreshed

Companies by employee count

1-10
14,527
11-50
6,230
51-200
1,031
201-500
187
501-1,000
46
1,001-5,000
38
5,001-10,000
6
10001+
11

Verified emails by last verification

0–30
62,874
31–60
3,985
61–90
34
90–180
37
180+
549

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 response 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 “response 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 response 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, 67,479 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 5, 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.

Response marketing agencies by metro

Frequently asked

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

RevenueBase identified 22,084 response 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?

Digitas North America, headquartered in Boston, tops this list with the largest team on record.

Which city has the most response marketing agencies?

New York leads with 1145 headquartered companies, followed by Los Angeles (729) and Miami (516).

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 67,479 verified decision-maker contacts tracked across these 22,084 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 5, 2026.

Ready to reach these companies? Verified emails and direct dials for all 22,084 response marketing agencies based in the United States. Start with a free account, no credit card.

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Related lists

Browse: Companies home · All United States lists · All Response marketing agencies lists · New lists

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.

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