Company lists · Data verified August 2026

Top 25 Direct response advertising agencies based in the United States

Name: Direct response advertising 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 6,166 companies tracked

There are 6,166 direct response advertising agencies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 90,232 professional contacts across them, including 27,870 with verified work emails and 34,061 with mobile numbers. New York is the largest hub.

This list covers direct response advertising 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.

6,166Companies

90,232Contacts tracked

27,870Verified emails

34,061Mobile numbers

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The 25 largest direct response advertising agencies based in the United States

Ranked by team size

Top 25 of 6,166 direct response advertising 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	Mediacom	New York, NY	5,001-10,000	3,247	382
2	Horizon Media	Los Angeles, CA	1,001-5,000	2,354	1,588
3	Hakuhodo INC	New York, NY	1,001-5,000	1,149	280
4	Dentsu X	New York, NY	5,001-10,000	941	193
5	Bernstein-Rein Advertising	Kansas City, MO	201-500	741	33
6	Zimmerman Advertising	Nashville, TN	501-1,000	610	208
7	Stream Companies	Malvern, PA	501-1,000	580	313
8	TRG	Dallas, TX	501-1,000	519	113
9	Martin	Richmond, VA	201-500	503	289
10	Tombras	Alexandria, VA	201-500	491	374
11	AMP	New York, NY	501-1,000	449	238
12	22squared	Atlanta, GA	201-500	449	170
13	Arnold Worldwide	New York, NY	201-500	448	176
14	Mullenlowe U.S	El Segundo, CA	201-500	413	96
15	Deutsch	Los Angeles, CA	201-500	378	133
16	Money Mailer	Cypress, CA	201-500	377	66
17	Horizon Next	New York, NY	201-500	351	270
18	TMA The Marketing ARM	Dallas, TX	501-1,000	351	45
19	Barkley	Kansas City, MO	501-1,000	322	77
20	Cramer-Krasselt	Milwaukee, WI	201-500	296	74
21	The Shipyard	Newport Beach, CA	201-500	277	171
22	Abelsontaylor Group	Chicago, IL	201-500	267	92
23	NAHAN	Saint Cloud, MN	201-500	250	113
24	Hill Holliday	Boston, MA	201-500	247	55
25	Enpointe	Brooklyn Park, MN	201-500	246	51

Showing 25 of 6,166 direct response advertising agencies based in the United States

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Direct response advertising agencies based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 345 HQs

34,061Contacts with mobile numbers

49Emails re-verified in last 30 days

Companies by employee count

1-10

3,611

11-50

2,081

51-200

362

201-500

501-1,000

1,001-5,000

5,001-10,000

Direct response advertising agencies by metro

Metro	Companies
Direct response advertising agencies in New York	345
Direct response advertising agencies in Los Angeles	240
Direct response advertising agencies in Chicago	137
Direct response advertising agencies in Miami	111
Direct response advertising agencies in Atlanta	107
Direct response advertising agencies in Dallas	102
Direct response advertising agencies in Austin	88
Direct response advertising agencies in Houston	72

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 “direct response advertising 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; 49 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 direct response advertising agencies are there based in the United States?

There are 6,166 direct response advertising agencies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Mediacom, headquartered in New York, tops this list with the largest team on record.

Which city has the most direct response advertising agencies?

New York leads with 345 headquartered companies, followed by Los Angeles (240) and Chicago (137).

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 27,870 verified decision-maker contacts tracked across these 6,166 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.