Company lists · Data refreshed September 2026

Top 25 Marketing AI agent platforms based in the United States

Name: Marketing AI agent platforms based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 3, 2026 2,849 companies tracked

RevenueBase identified 2,849 marketing AI agent platforms headquartered in the United States as of September 2026 and tracks 58,487 professional contacts across them, including 20,260 with verified work emails and 17,741 with mobile numbers. New York is the largest hub.

This list covers marketing AI agent platforms 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, how directly it supports the match, and when it was last checked. Data refreshed September 3, 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 HQ checked on every row Match evidence on every row Refreshed Sep 3, 2026 86% judged on-target in blind review

2,849Companies

58,487Contacts tracked

20,260Verified emails

17,741Mobile numbers

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The 25 largest marketing AI agent platforms based in the United States

Ranked by team size

Top 25 of 2,849 marketing AI agent platforms based in the United States, ranked by team size, largest first. Data refreshed Sep 3, 2026. Evidence rates how directly each company's own description names marketing AI agent platforms: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#	Company	Headquarters	Employees	Contacts
1	KlaviyoIndirect evidence	Boston, MA, United StatesHQ checked Sep 3, 2026	1,001-5,000	2,859
	“Klaviyo (NYSE: KVYO) is the autonomous B2C CRM.” Source: company website · checked Sep 3, 2026
2	Zeta GlobalPartial evidence	New York, TN, United StatesHQ checked Sep 3, 2026	1,001-5,000	2,570
	“At Zeta Global (NYSE: ZETA), we help enterprise brands and agencies Achieve the Impossible™ with superintelligent marketing.” Source: company website · checked Sep 3, 2026
3	THRYVStrong evidence	Dallas, TX, United StatesHQ checked Sep 3, 2026	1,001-5,000	2,430
	“Thryv is an AI-powered platform built to help small businesses get found, win customers, and drive repeat sales.” Source: company website · checked Sep 3, 2026
4	SitecoreIndirect evidence	Manchester, NH, United StatesHQ checked Sep 3, 2026	1,001-5,000	1,765
	“Sitecore creates digital experiences so powerful they connect the world.” Source: company website · checked Sep 3, 2026
5	Constant ContactPartial evidence	Waltham, FL, United StatesHQ checked Sep 3, 2026	1,001-5,000	1,636
	“We deliver for small businesses with powerful tools to simplify and amplify digital marketing.” Source: company website · checked Sep 3, 2026
6	Intuit MailchimpPartial evidence	Atlanta, CA, United StatesHQ checked Sep 3, 2026	1,001-5,000	1,557
	“The Mailchimpossibilities are endless when you create, automate, and optimize your marketing with Mailchimp.” Source: company website · checked Sep 3, 2026
7	LocaliqStrong evidence	New York, NY, United StatesHQ checked Sep 3, 2026	1,001-5,000	1,541
	“Grow your business with digital marketing powered by AI and local expertise.” Source: company website · checked Sep 3, 2026
8	6senseIndirect evidence	San Francisco, United StatesHQ checked Sep 3, 2026	1,001-5,000	1,426
	“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…” Source: company website · checked Sep 3, 2026
9	DemandscienceIndirect evidence	Boston, United StatesHQ checked Sep 3, 2026	1,001-5,000	1,080
	“With proprietary data and omni-channel activation like events, content, programmatic and chat, we cut through the noise to reach entire buyer groups, driving engagement and impact…” Source: company website · checked Sep 3, 2026
10	DemandbaseStrong evidence	San Francisco, WA, United StatesHQ checked Sep 3, 2026	501-1,000	880
	“Demandbase is the only pipeline AI platform that empowers GTM teams to automate growth at scale.” Source: company website · checked Sep 3, 2026
11	ActivecampaignStrong evidence	Chicago, IL, United StatesHQ checked Sep 3, 2026	1,001-5,000	852
	“ActiveCampaign is the AI-first autonomous marketing platform built to transform how marketers, agencies, and entrepreneurs work.” Source: company website · checked Sep 3, 2026
12	MarigoldPartial evidence	Nashville, TN, United StatesHQ checked Sep 3, 2026	201-500	818
	“Marigold is a global marketing technology company focused on delivering relationship marketing solutions for growing organizations.” Source: company website · checked Sep 3, 2026
13	Luxury PresencePartial evidence	Austin, TX, United StatesHQ checked Sep 3, 2026	501-1,000	770
	“Luxury Presence is the growth platform for real estate's top performers.” Source: company website · checked Sep 3, 2026
14	ApplovinIndirect evidence	Palo Alto, CA, United StatesHQ checked Sep 3, 2026	201-500	753
	“AppLovin helps businesses of any size reach over a billion people who play mobile games every day.” Source: company website · checked Sep 3, 2026
15	simpli.fiPartial evidence	Fort Worth, TX, United StatesHQ checked Sep 3, 2026	501-1,000	677
	“Simpli.fi provides marketing technologies, solutions, and workflow automation for advertisers and agencies of all sizes.” Source: company website · checked Sep 3, 2026
16	Movable INKPartial evidence	New York, IL, United StatesHQ checked Sep 3, 2026	501-1,000	667
	“Movable Ink helps marketers create more relevant customer experiences across email, mobile, and web through data activation, AI-powered decisioning, and personalization at scale.” Source: company website · checked Sep 3, 2026
17	OptimovePartial evidence	New York, NY, United StatesHQ checked Sep 3, 2026	501-1,000	577
	“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…” Source: company website · checked Sep 3, 2026
18	Adobe MarketoPartial evidence	San Jose, GA, United StatesHQ checked Sep 3, 2026	1,001-5,000	570
	“Adobe Marketo Engage offers the leading Engagement Platform that empowers marketers to build brand value, grow revenue, and prove impact.” Source: company website · checked Sep 3, 2026
19	Treasure AIStrong evidence	Mountain View, NY, United StatesHQ checked Sep 3, 2026	501-1,000	503
	“Treasure AI is the Agentic Experience Platform built for modern marketing teams.” Source: company website · checked Sep 3, 2026
20	Callbox INCPartial evidence	Encino, CA, United StatesHQ checked Sep 3, 2026	201-500	501
	“Callbox is the #1 trusted lead generation services and AI-Powered Growth Strategy Partner by enterprise and scaling businesses in the USA, Canada, Asia Pacific, Latin America…” Source: company website · checked Sep 3, 2026
21	InvocaStrong evidence	West Hollywood, CA, United StatesHQ checked Sep 3, 2026	201-500	384
	“Invoca is the revenue execution and platform leader that helps marketing, commerce, and contact center teams turn every conversation into revenue.” Source: company website · checked Sep 3, 2026
22	ResulticksIndirect evidence	Seattle, NY, United StatesHQ checked Sep 3, 2026	201-500	362
	“Resulticks is a fully integrated, real-time audience engagement solution designed to help brands worldwide reach, acquire, and retain satised customers.” Source: company website · checked Sep 3, 2026
23	HightouchStrong evidence	San Francisco, CA, United StatesHQ checked Sep 3, 2026	201-500	354
	“Hightouch is an Agentic Marketing Platform powered by the industry-leading Composable CDP.” Source: company website · checked Sep 3, 2026
24	Validity INCPartial evidence	Boston, FL, United StatesHQ checked Sep 3, 2026	201-500	349
	“For over 25 years, thousands of the world’s leading brands have relied on Validity solutions to achieve end-to-end marketing success-using trustworthy data as a key advantage.” Source: company website · checked Sep 3, 2026
25	Soci, INCIndirect evidence	San Diego, CA, United StatesHQ checked Sep 3, 2026	501-1,000	339
	“SOCi is the leading CoMarketing Cloud for multi-location enterprises.” Source: company website · checked Sep 3, 2026

Showing 25 of 2,849 marketing AI agent platforms based in the United States

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Marketing AI agent platforms based in the United States at a glance

As of Sep 3, 2026

1-10Median size (employees)

New YorkLargest hub · 220 HQs

17,741Contacts with mobile numbers

Sep 3, 2026Data refreshed

Companies by employee count

1-10

1,716

11-50

820

51-200

217

201-500

501-1,000

1,001-5,000

5,001-10,000

Verified emails by last verification

0–30

31–60

1,796

61–90

11,433

90–180

6,874

180+

157

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 marketing AI agent platforms, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, 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 “marketing AI agent platforms”. Matching reads each company's description, not its industry code or its name.
What we exclude: Companies whose own description does not clearly place them among marketing AI agent platforms, 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 an evidence 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, 20,260 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 3, 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.

Marketing AI agent platforms by metro

Marketing AI agent platforms in New York220
Marketing AI agent platforms in San Francisco185
Marketing AI agent platforms in Miami83
Marketing AI agent platforms in Los Angeles76
Marketing AI agent platforms in Austin67
Marketing AI agent platforms in Chicago53
Marketing AI agent platforms in San Diego50

Frequently asked

How many marketing AI agent platforms are there based in the United States?

RevenueBase identified 2,849 marketing AI agent platforms 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?

Klaviyo, headquartered in Boston, tops this list with the largest team on record.

Which city has the most marketing AI agent platforms?

New York leads with 220 headquartered companies, followed by San Francisco (185) and Miami (83).

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 20,260 verified decision-maker contacts tracked across these 2,849 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 3, 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.