Company lists · Data refreshed September 2026

Top 25 AI email outreach platforms based in the United States

RevenueBase identified 1,153 company matches for AI email outreach platforms associated with the United States as of September 2026 and tracks 19,409 professional contacts across them, including 5,642 with verified work emails. New York is the largest hub.

This list covers company matches for AI email outreach platforms associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 27, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Sep 27, 2026 How this list was built
1,153Companies
19,409Contacts tracked
5,642Verified emails
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The 25 largest AI email outreach platforms based in the United States

Ranked by team size
Top 25 of 1,153 company matches for AI email outreach platforms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchAtlanta, GA, United StatesHQ recorded Sep 27, 20261,001-5,0001,483 contacts →

Exact match

“The Mailchimpossibilities are endless when you create, automate, and optimize your marketing with Mailchimp.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchSan Francisco, CA, United StatesHQ recorded Sep 27, 20261,001-5,0001,443 contacts →

Exact match

“6sense is on a mission to revolutionize the way B2B organizations create revenue by predicting customers most likely to buy and recommending the best course of action to engage…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchChicago, IL, United StatesHQ recorded Sep 27, 20261,001-5,000863 contacts →

Exact match

“ActiveCampaign is the AI-first autonomous marketing platform built to transform how marketers, agencies, and entrepreneurs work.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchNashville, TN, United StatesHQ recorded Sep 27, 2026201-500820 contacts →

Exact match

“Marigold is a global marketing technology company focused on delivering relationship marketing solutions for growing organizations.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchNew York, NY, United StatesHQ recorded Sep 27, 2026501-1,000588 contacts →

Exact match

“Optimove, the creator of Positionless Marketing, frees marketing teams from the limitations of fixed roles, giving every marketer the power to execute any marketing task instantly…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchSan Jose, CA, United StatesHQ recorded Sep 27, 20261,001-5,000572 contacts →

Exact match

“Adobe Marketo Engage offers the leading Engagement Platform that empowers marketers to build brand value, grow revenue, and prove impact.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchLititz, PA, United StatesHQ recorded Sep 27, 2026201-500295 contacts →

Exact match

“Listrak is the person-first marketing automation platform that seamlessly integrates data, identity, and cross-channel messaging to power hyper-personalized customer experiences.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchHenderson, NV, United StatesHQ recorded Sep 27, 2026n/a260 contacts →

Exact match

“Best-in-class sales & marketing automation platform and marketplace for digital business owners and online marketers”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchSan Francisco, CA, United StatesHQ recorded Sep 27, 2026201-500232 contacts →

Exact match

“Lob automates and personalizes direct mail at any scale, bringing the speed and features you expect from your digital channels to direct mail for the first time.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchSan Francisco, United StatesHQ recorded Sep 27, 202651-200218 contacts →

Exact match

“Artisan builds AI employees.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchSheridan, WY, United StatesHQ recorded Sep 27, 202651-200215 contacts →

Exact match

“All-in-one outreach platform for business growth.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchNew York, NY, United StatesHQ recorded Sep 27, 202651-200215 contacts →

Exact match

“Outbound is broken when it’s built only on volume.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchPortland, OR, United StatesHQ recorded Sep 27, 2026201-500210 contacts →

Exact match

“Act-On Software provides the innovative marketing automation platform for marketers who think big and act boldly.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchNew York, United StatesHQ recorded Sep 27, 202651-200180 contacts →

Exact match

“SendPulse is an AI-driven marketing platform that helps scaling businesses automate email and chatbot conversations.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchPalo Alto, CA, United StatesHQ recorded Sep 27, 202651-200139 contacts →

Exact match

“Launching AI Adaptive Roleplays - Build Cold Call Mastery with AI Roleplays That Create Continuous Training Pathways After every calling session, AI spots new skill gaps and…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchMorrisville, NC, United StatesHQ recorded Sep 27, 202651-200137 contacts →

Exact match

“We believe powerful connections propel business growth.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchAtlanta, GA, United StatesHQ recorded Sep 27, 2026201-500130 contacts →

Exact match

“Click is the only complete marketing technology solution that is natively integrated with Microsoft Dynamics CRM.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchNewton, MA, United StatesHQ recorded Sep 27, 202651-200127 contacts →

Exact match

“Selling.com is a pipeline generation platform that enables sales teams to execute and scale their outbound growth through accurate sales intelligence, sales outreach, and AI…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchSan Francisco, CA, United StatesHQ recorded Sep 27, 202651-200122 contacts →

Exact match

“In 2005, we started as a web design agency, but we soon discovered email marketing and fell in love with it.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchLehi, UT, United StatesHQ recorded Sep 27, 202651-200117 contacts →

Exact match

“MyAdvice offers an AI-powered growth system that reduces cost and effort while driving revenue and producing valuable insights.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchSt. Louis, MO, United StatesHQ recorded Sep 27, 202651-200115 contacts →

Exact match

“Benchmark helps busy marketers move faster and make a bigger impact with email.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchSan Francisco, CA, United StatesHQ recorded Sep 27, 202651-200114 contacts →

Exact match

“Building AI for outbound sellers.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchMinneapolis, MN, United StatesHQ recorded Sep 27, 202651-200111 contacts →

Exact match

“Build brand love with our marketing automation platform.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchSheridan, WY, United StatesHQ recorded Sep 27, 202651-200107 contacts →

Exact match

“Unlock 700M+ verified contacts and power your outreach with the ability for sending and warmup.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchSan Antonio, TX, United StatesHQ recorded Sep 27, 202651-200106 contacts →

Exact match

“Plataforma de Marketing Multicanal, simple y potenciado por IA.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 1,153 AI email outreach platforms based in the United States

See the full list, filter by size, metro and specialty, and access 5,642 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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AI email outreach platforms based in the United States at a glance

As of Sep 27, 2026
29.1%Verified-email coverage
16.8Average contacts per company
1-10Median size (employees)
8.8%Largest-city concentration · New York
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
670
11-50
359
51-200
88
201-500
21
501-1,000
3
1,001-5,000
11
10001+
1

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 1,153 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United States whose business descriptions match “AI email outreach platforms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 5,642 professional contacts with verified work emails across the full matched dataset. 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 27, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “AI email outreach platforms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many AI email outreach platforms are there based in the United States?

RevenueBase identified 1,153 company matches for AI email outreach platforms associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Intuit Mailchimp tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most AI email outreach platforms?

New York leads with 101 company records, followed by San Francisco (85) and Sheridan (43).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 5,642 professional contacts with verified work emails tracked across these 1,153 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 27, 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 SmartSearch, 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.