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Company lists · Data verified August 2026

Top 25 Advertising agencies with in-house production based in the United States

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 30,502 companies tracked

There are 30,502 advertising agencies with in-house production headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 259,044 professional contacts across them, including 70,264 with verified work emails and 86,666 with mobile numbers. New York is the largest hub.

This list covers advertising agencies with in-house production 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.

30,502Companies
259,044Contacts tracked
70,264Verified emails
86,666Mobile numbers
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The 25 largest advertising agencies with in-house production based in the United States

Ranked by team size
Top 25 of 30,502 advertising agencies with in-house production 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
1Deloitte DigitalDenver, CO10001+7,7012,261
2HH GlobalChicago, IL1,001-5,0005,6282,530
3Mccann WorldgroupNew York, NY10001+3,879562
4PublicisSan Francisco, CA1,001-5,0002,551106
5Horizon MediaLos Angeles, CA1,001-5,0002,3541,588
6MccannNew York, NY10001+1,197271
7Hakuhodo INCNew York, NY1,001-5,0001,149280
8EssenceMinneapolis, MN1,001-5,000788139
9DONERSouthfield, MI501-1,000704271
10SCIMiami, FL501-1,0006936
11Vertis CommunicationsSussex, WI10001+60528
12Stream CompaniesMalvern, PA501-1,000580313
13Gsd&mAustin, TX501-1,000500193
14BarkleyokrpDenver, CO501-1,000494383
15Untold StudiosCulver City, CA501-1,000463255
16TMA The Marketing ARMDallas, TX501-1,00035145
17NEONNew York, NY501-1,000348221
18Media Star PromotionsHunt Valley, MD501-1,00030419
19VizeumNew York, NY1,001-5,00023626
20Bbdo NEW YorkNew York, NY501-1,00020874
21GYRONew York, NY501-1,0002003
22IVIEFlower Mound, TX501-1,00014711
23We ARE Amnetn/a1,001-5,00010535
24Ogilvy NEW YorkNew York, NY1,001-5,0007253
25Creatives On CallSt. Louis, MO1,001-5,0006517

Showing 25 of 30,502 advertising agencies with in-house production based in the United States

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Advertising agencies with in-house production based in the United States at a glance

As of Aug 28, 2026
1-10Median size (employees)
New YorkLargest hub · 2116 HQs
86,666Contacts with mobile numbers
461Emails re-verified in last 30 days

Companies by employee count

1-10
23,928
11-50
5,571
51-200
768
201-500
123
501-1,000
33
1,001-5,000
15
10001+
15

Advertising agencies with in-house production by metro

MetroCompanies
Advertising agencies with in-house production in New York2116
Advertising agencies with in-house production in Los Angeles1967
Advertising agencies with in-house production in Chicago691
Advertising agencies with in-house production in Atlanta643
Advertising agencies with in-house production in Miami633
Advertising agencies with in-house production in Dallas443
Advertising agencies with in-house production in Austin416

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 “advertising agencies with in-house production”, 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; 461 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 advertising agencies with in-house production are there based in the United States?

There are 30,502 advertising agencies with in-house production headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Deloitte Digital, headquartered in Denver, tops this list with the largest team on record.

Which city has the most advertising agencies with in-house production?

New York leads with 2116 headquartered companies, followed by Los Angeles (1967) and Chicago (691).

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 70,264 verified decision-maker contacts tracked across these 30,502 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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Related lists

Advertising agencies with in-house production by geography

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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.

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