Company lists · Data verified August 2026

Top 25 Email marketing services based in the United States

Name: Email marketing services 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 1,488 companies tracked

There are 1,488 email marketing services headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 17,258 professional contacts across them, including 4,809 with verified work emails and 4,973 with mobile numbers. New York is the largest hub.

This list covers email marketing services 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.

1,488Companies

17,258Contacts tracked

4,809Verified emails

4,973Mobile numbers

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The 25 largest email marketing services based in the United States

Ranked by team size

Top 25 of 1,488 email marketing services 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	Marigold	Nashville, TN	201-500	818	147
3	Adobe Marketo	Atlanta, GA	1,001-5,000	570	109
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	Stirista	San Antonio, TX	51-200	163	113
13	Helloworld, INC	Chicago, IL	201-500	137	10
14	Icontact	Morrisville, NC	51-200	136	40
15	CLICK	Atlanta, GA	201-500	134	63
16	Trum PIA	La Palma, CA	51-200	110	10
17	Demandforce	San Francisco, CA	201-500	104	28
18	Right Pace Techmedia, LLC	Sheridan, WY	51-200	97	2
19	Phoenix Innovate	Anderson, IN	51-200	80	43
20	Constant Contact Lead GEN & CRM	Gainesville, FL	1,001-5,000	71	11
21	Marrina Decisions	Santa Clara, CA	51-200	69	39
22	PRIVY	Boston, MA	51-200	68	41
23	Retainiq	Wilmington, DE	51-200	65	35
24	Navistone	Cincinnati, OH	51-200	57	40
25	Redeye	Shenley Wood	51-200	56	18

Showing 25 of 1,488 email marketing services based in the United States

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Email marketing services based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 93 HQs

4,973Contacts with mobile numbers

10Emails re-verified in last 30 days

Companies by employee count

1-10

879

11-50

417

51-200

136

201-500

501-1,000

1,001-5,000

5,001-10,000

Email marketing services by metro

Metro	Companies
Email marketing services in New York	93
Email marketing services in Chicago	39
Email marketing services in Miami	36
Email marketing services in Los Angeles	34
Email marketing services in Atlanta	33
Email marketing services in San Francisco	31
Email marketing services in Austin	28

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 services”, 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; 10 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 services are there based in the United States?

There are 1,488 email marketing services 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 services?

New York leads with 93 headquartered companies, followed by Chicago (39) and Miami (36).

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 4,809 verified decision-maker contacts tracked across these 1,488 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.