Company lists · Data verified August 2026

Top 25 Direct marketing agencies based in the United States

There are 9,880 direct marketing agencies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 97,127 professional contacts across them, including 26,654 with verified work emails and 35,739 with mobile numbers. New York is the largest hub.

This list covers direct 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. Data current as of August 28, 2026.

9,880Companies
97,127Contacts tracked
26,654Verified emails
35,739Mobile numbers
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The 25 largest direct marketing agencies based in the United States

Ranked by team size
Top 25 of 9,880 direct marketing 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.
#CompanyHQEmployeesContactsVerified emails
1Power Digital MarketingArlington, VA501-1,0001,562220
2Hearts & ScienceNew York, NY1,001-5,0001,401691
3ValpakSt Petersburg, FL501-1,0001,388393
4Dialog DirectFort Worth, TX10001+1,13643
5DemandscienceBoston1,001-5,0001,080423
6IWCOChanhassen, MN1,001-5,000876248
7AnteriadNew York, NY501-1,000737348
8SCIMiami, FL501-1,0006936
9Vertis CommunicationsSussex, WI10001+60528
10MitteraJacksonville, FL1,001-5,000499254
11AmsiveGreenville, SC501-1,000497298
12Sg360Wheeling, IL501-1,000473175
13InnovairreMount Pleasant, IA1,001-5,00034320
14marketing.comEureka, MO1,001-5,000308138
15Cheetah Digital By MarigoldEl Segundo, CA1,001-5,00029295
16Palm Coast DataPalm Coast, FL1,001-5,00028434
17Japs-Olson Company JOSt Louis Park, MN501-1,000273161
18Direct Marketing SolutionsFreedom, PA501-1,00020181
19SourcelinkItasca, IL501-1,00017213
20Knowledgebase MarketingRichardson, TX501-1,0001413
21Kodi CollectiveLebanon Junction, KY501-1,00013739
22Platinum AdvertisingTrevose, PA1,001-5,0001341
23HawkeyeDallas, TX501-1,00013120
24DatacaptiveSanta Clara, CA1,001-5,0008814
25AffinitasLawrence, KS501-1,000791

Showing 25 of 9,880 direct marketing agencies based in the United States

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Direct marketing agencies based in the United States at a glance

As of Aug 28, 2026
1-10Median size (employees)
New YorkLargest hub · 371 HQs
35,739Contacts with mobile numbers
52Emails re-verified in last 30 days

Companies by employee count

1-10
6,043
11-50
3,010
51-200
611
201-500
127
501-1,000
37
1,001-5,000
34
10001+
6

Direct marketing agencies by metro

MetroCompanies
Direct marketing agencies in New York371
Direct marketing agencies in Los Angeles231
Direct marketing agencies in Miami184
Direct marketing agencies in Chicago175
Direct marketing agencies in Atlanta160
Direct marketing agencies in Houston145
Direct marketing agencies in Dallas142

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 marketing 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; 52 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 marketing agencies are there based in the United States?

There are 9,880 direct marketing agencies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Power Digital Marketing, headquartered in Arlington, tops this list with the largest team on record.

Which city has the most direct marketing agencies?

New York leads with 371 headquartered companies, followed by Los Angeles (231) and Miami (184).

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 26,654 verified decision-maker contacts tracked across these 9,880 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.