Company lists · Data refreshed September 2026

Top 25 Email list management services based in the United States

Name: Email list management services based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 471 companies tracked

RevenueBase identified 471 email list management services headquartered in the United States as of September 2026 and tracks 3,517 professional contacts across them, including 794 with verified work emails. New York is the largest hub.

This list covers email list management 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. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review

471Companies

3,517Contacts tracked

794Verified emails

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The 25 largest email list management services based in the United States

Ranked by team size

Top 25 of 471 email list management services based in the United States, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to email list management services: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Icontact	Indirect evidence	Morrisville, NC, United StatesHQ checked Sep 19, 2026	51-200	137 contacts →
	Indirect evidence “We believe powerful connections propel business growth.” Source: RevenueBase Database · checked Sep 19, 2026
2	Mailerlite	Partial evidence	San Francisco, CA, United StatesHQ checked Sep 19, 2026	51-200	122 contacts →
	Partial evidence “In 2005, we started as a web design agency, but we soon discovered email marketing and fell in love with it.” Source: RevenueBase Database · checked Sep 19, 2026
3	Zerobounce	Partial evidence	Santa Barbara, CA, United StatesHQ checked Sep 19, 2026	51-200	105 contacts →
	Partial evidence “ZeroBounce is an email validation, deliverability and email finding platform helping businesses reduce bounces and land their emails in the inbox.” Source: RevenueBase Database · checked Sep 19, 2026
4	Aweber	Partial evidence	Doylestown, PA, United StatesHQ checked Sep 19, 2026	51-200	90 contacts →
	Partial evidence “For over 20 years, AWeber has helped entrepreneurs and small business owners connect with their prospects and customers through powerfully-simple email marketing solutions.” Source: RevenueBase Database · checked Sep 19, 2026
5	Site Impact	Indirect evidence	Coral Springs, FL, United StatesHQ checked Sep 19, 2026	51-200	79 contacts →
	Indirect evidence “Site Impact is your trusted, turnkey partner that empowers agencies with one of the country's largest, data-driven, multichannel marketing solutions.” Source: RevenueBase Database · checked Sep 19, 2026
6	Marrina Decisions	Partial evidence	Santa Clara, CA, United StatesHQ checked Sep 19, 2026	51-200	71 contacts →
	Partial evidence “WE ARE MARRINA One of the most time-consuming yet highly-valuable aspects of the marketer’s role is Email Production.” Source: RevenueBase Database · checked Sep 19, 2026
7	Litmus	Indirect evidence	Cambridge, MA, United StatesHQ checked Sep 19, 2026	51-200	70 contacts →
	Indirect evidence “At Litmus, we know the importance of continuous innovation.” Source: RevenueBase Database · checked Sep 19, 2026
8	Trend Capital Holdings, INC	Strong evidence	Vancouver, WA, United StatesHQ checked Sep 19, 2026	51-200	62 contacts →
	Strong evidence “Trend Capital is a leader in list management and lead generation.” Source: RevenueBase Database · checked Sep 19, 2026
9	Streamline IT Services	Strong evidence	Novi, MI, United StatesHQ checked Sep 19, 2026	11-50	51 contacts →
	Strong evidence “Streamline is an Email list, list brokerage, database building, and specialized marketing services provider.” Source: RevenueBase Database · checked Sep 19, 2026
10	Inboxarmy	Strong evidence	Grapevine, TX, United StatesHQ checked Sep 19, 2026	51-200	49 contacts →
	Strong evidence “InboxArmy is an elite, full-service email marketing agency offering the full spectrum of email marketing services, including- Full-Service Campaign Management - Email Template…” Source: RevenueBase Database · checked Sep 19, 2026
11	IPOST	Partial evidence	San Mateo, CA, United StatesHQ checked Sep 19, 2026	51-200	39 contacts →
	Partial evidence “iPost is a leading email-sending platform purpose-built to solve real challenges in highly regulated and other data- and content-sensitive industries, including gaming, legal…” Source: RevenueBase Database · checked Sep 19, 2026
12	Whatcounts	Partial evidence	Seattle, NC, United StatesHQ checked Sep 19, 2026	51-200	37 contacts →
	Partial evidence “WhatCounts is an email marketing and personalization platform empowering marketers to elevate customer targeting and daily email strategy and execution.” Source: RevenueBase Database · checked Sep 19, 2026
13	Active Engagement	Partial evidence	Leesburg, VA, United StatesHQ checked Sep 19, 2026	11-50	26 contacts →
	Partial evidence “Active Engagement is the leading email marketing agency serving conservative and Christian non-profits and media companies.” Source: RevenueBase Database · checked Sep 19, 2026
14	Delivra	Partial evidence	Carmel, IN, United StatesHQ checked Sep 19, 2026	11-50	25 contacts →
	Partial evidence “Delivra, a Redbrick company, is a sophisticated email platform that designs custom solutions to help marketers and agencies automate highly personalized, event-driven campaigns…” Source: RevenueBase Database · checked Sep 19, 2026
15	Pinpoint Technologies INC	Strong evidence	Santa Ana, CA, United StatesHQ checked Sep 19, 2026	51-200	24 contacts →
	Strong evidence “We supply you with the highest quality and most effective lists for direct mail, telemarketing, and emails you'll find anywhere.” Source: RevenueBase Database · checked Sep 19, 2026
16	Inbox Monster	Partial evidence	Charlotte, NC, United StatesHQ checked Sep 19, 2026	11-50	23 contacts →
	Partial evidence “Inbox Monster helps email teams send epic messages to every inbox.” Source: RevenueBase Database · checked Sep 19, 2026
17	Xgrowth LLC	Partial evidence	Wilmington, DE, United StatesHQ checked Sep 19, 2026	11-50	20 contacts →
	Partial evidence “Email marketing is a powerful channel for small businesses to generate leads.” Source: RevenueBase Database · checked Sep 19, 2026
18	Target Access HUB	Indirect evidence	Middletown, DE, United StatesHQ checked Sep 19, 2026	11-50	17 contacts →
	Indirect evidence “Bringing together some of the best talents from various business processes, Target Access Hub is the one-stop shop for all your sales and marketing needs.” Source: RevenueBase Database · checked Sep 19, 2026
19	WIN Marketing	Partial evidence	Plano, TX, United StatesHQ checked Sep 19, 2026	11-50	17 contacts →
	Partial evidence “Helping brands scale to $5m in email sales every year.” Source: RevenueBase Database · checked Sep 19, 2026
20	Data Services	Partial evidence	Salisbury, MD, United StatesHQ checked Sep 19, 2026	11-50	17 contacts →
	Partial evidence “Data Services has been the single source provider of its Data Management Platform for over 50 years.” Source: RevenueBase Database · checked Sep 19, 2026
21	Statlistics	Strong evidence	Danbury, CT, United StatesHQ checked Sep 19, 2026	51-200	16 contacts →
	Strong evidence “Statlistics is a list management and brokerage firm specializing in business and consumer list solutions.” Source: RevenueBase Database · checked Sep 19, 2026
22	SENDX	Partial evidence	Wilmington, DE, United StatesHQ checked Sep 19, 2026	11-50	14 contacts →
	Partial evidence “At SendX, we’re passionate about making email marketing simple, affordable, and highly effective.” Source: RevenueBase Database · checked Sep 19, 2026
23	Luck & CO Email For Ecommerce	Partial evidence	San Francisco, United StatesHQ checked Sep 19, 2026	11-50	14 contacts →
	Partial evidence “We help 8 and 9-figure ecommerce stores kick ass at email.” Source: RevenueBase Database · checked Sep 19, 2026
24	Crucialpoint	Partial evidence	Sandy, UT, United StatesHQ checked Sep 19, 2026	11-50	14 contacts →
	Partial evidence “Full service email & retention marketing We are a world class Email Marketing Agency leading the industry by creating results driven, time-tested Email & CRM programs for amazing…” Source: RevenueBase Database · checked Sep 19, 2026
25	Gilbert Data LLC	Indirect evidence	Las Vegas, NV, United StatesHQ checked Sep 19, 2026	11-50	14 contacts →
	Indirect evidence “Gilbert Data is one of the peerless and believed services provider in appending services and other services as well i.e.” Source: RevenueBase Database · checked Sep 19, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: email list management services. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names email list management services.
Partial evidence: Its own public description names part of email list management services, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name email list management services. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 471 email list management services based in the United States

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Email list management services based in the United States at a glance

As of Sep 19, 2026

22.6%Verified-email coverage

7.5Average contacts per company

11-50Median size (employees)

7.2%Largest-city concentration · New York

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

212

11-50

167

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 471 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among email list management services, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “email list management services”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names email list management services), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among email list management services, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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: Every listed company carries at least one verified work email, 794 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 19, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Email list management services by metro

Email list management services in New York34

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names email list management services, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many email list management services are there based in the United States?

RevenueBase identified 471 email list management services headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Icontact, headquartered in Morrisville, tops this list with the largest team on record.

Which city has the most email list management services?

New York leads with 34 headquartered companies, followed by Austin (14) and Sheridan (13).

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 794 verified decision-maker contacts tracked across these 471 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.