Company lists · Data verified August 2026

Top 25 Email marketing companies based in the United States

Name: Email marketing companies 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 1,752 companies tracked

There are 1,752 email marketing companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 19,539 professional contacts across them, including 5,927 with verified work emails and 6,088 with mobile numbers. New York is the largest hub.

This list covers email marketing companies 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.

1,752Companies

19,539Contacts tracked

5,927Verified emails

6,088Mobile numbers

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The 25 largest email marketing companies based in the United States

Ranked by team size

Top 25 of 1,752 email marketing companies 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	Intuit Mailchimp	Oakland, CA	1,001-5,000	1,557	474
2	Data Axle	Dallas, TX	1,001-5,000	1,082	642
3	Marigold	Nashville, TN	201-500	818	147
4	Dotdigital	New York, NY	201-500	488	347
5	Sg360	Wheeling, IL	501-1,000	473	175
6	customer.io	Portland, OR	201-500	445	231
7	marketing.com	Eureka, MO	1,001-5,000	308	138
8	Listrak	Lititz, PA	201-500	298	173
9	Aspen Marketing	Irving, TX	5,001-10,000	281	54
10	Outboundengine	Seattle, WA	201-500	183	8
11	Sendpulse	New York	51-200	181	74
12	Helloworld, INC	Chicago, IL	201-500	137	10
13	CLICK	Atlanta, GA	201-500	134	63
14	United Direct Solutions	Louisville, KY	201-500	119	45
15	Trum PIA	La Palma, CA	51-200	110	10
16	Midwest Direct	Pittsburgh, PA	201-500	102	26
17	Upswell	Marietta, GA	51-200	85	67
18	Phoenix Innovate	Anderson, IN	51-200	80	43
19	Marrina Decisions	Santa Clara, CA	51-200	69	39
20	PRIVY	Boston, MA	51-200	68	41
21	Retainiq	Wilmington, DE	51-200	65	35
22	Trend Capital Holdings, INC	Vancouver, WA	51-200	62	41
23	Cross Country Computer	East Islip, NY	51-200	59	47
24	Giant Partners America's 1 Data Driven Marketing Agency	Thousand Oaks, CA	51-200	58	31
25	Navistone	Cincinnati, OH	51-200	57	40

Showing 25 of 1,752 email marketing companies based in the United States

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Email marketing companies based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 108 HQs

6,088Contacts with mobile numbers

15Emails re-verified in last 30 days

Companies by employee count

1-10

1,032

11-50

496

51-200

163

201-500

501-1,000

1,001-5,000

5,001-10,000

Email marketing companies by metro

Metro	Companies
Email marketing companies in New York	108
Email marketing companies in Los Angeles	43
Email marketing companies in Chicago	40
Email marketing companies in Atlanta	38
Email marketing companies in Miami	36
Email marketing companies in San Francisco	35
Email marketing companies in Austin	30

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 “email marketing companies”, 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; 15 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 email marketing companies are there based in the United States?

There are 1,752 email marketing companies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Intuit Mailchimp, headquartered in Oakland, tops this list with the largest team on record.

Which city has the most email marketing companies?

New York leads with 108 headquartered companies, followed by Los Angeles (43) and Chicago (40).

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 5,927 verified decision-maker contacts tracked across these 1,752 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.