Company lists · Data refreshed September 2026

Top 25 Marketing workflow software companies based in the United States

RevenueBase identified 2,620 marketing workflow software companies headquartered in the United States as of September 2026 and tracks 60,624 professional contacts across them, including 22,502 with verified work emails and 16,612 with mobile numbers. New York is the largest hub.

This list covers marketing workflow software 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. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed September 5, 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 5, 2026 86% judged on-target in blind review
2,620Companies
60,624Contacts tracked
22,502Verified emails
16,612Mobile numbers
Unlock all 2,620 companies Free signup · no credit card · 500 free credits

The 25 largest marketing workflow software companies based in the United States

Ranked by team size
Top 25 of 2,620 marketing workflow software companies based in the United States, ranked by team size, largest first. Data refreshed Sep 5, 2026. Evidence rates how directly each company's own description names marketing workflow software companies: 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.
#CompanyHeadquartersEmployeesContacts
1
HubspotPartial evidence
Cambridge, MA, United StatesHQ checked Sep 5, 20265,001-10,00011,077

“HubSpot is a leading agentic customer platform that provides software and support to help businesses grow better.”

Source: company website · checked Sep 5, 2026
2
Zeta GlobalPartial evidence
New York, NY, United StatesHQ checked Sep 5, 20261,001-5,0002,595

“At Zeta Global (NYSE: ZETA), we help enterprise brands and agencies Achieve the Impossible™ with superintelligent marketing.”

Source: company website · checked Sep 5, 2026
3
AffinityxIndirect evidence
Elgin, IL, United StatesHQ checked Sep 5, 20261,001-5,0002,258

“AffinityX is a new kind of technology company built on decades of operational process excellence.”

Source: company website · checked Sep 5, 2026
4
OptimizelyPartial evidence
New York, United StatesHQ checked Sep 5, 20261,001-5,0001,584

“Optimizely is the AI platform for marketing, built for the experience-makers who shape how brands show up in the world.”

Source: company website · checked Sep 5, 2026
5
Intuit MailchimpPartial evidence
Atlanta, GA, United StatesHQ checked Sep 5, 20261,001-5,0001,483

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

Source: company website · checked Sep 5, 2026
6
CentroStrong evidence
Chicago, IL, United StatesHQ checked Sep 5, 2026501-1,0001,178

“Basis Technologies is a global provider of workflow automation, intelligence and programmatic trading software for the marketing enterprise.”

Source: company website · checked Sep 5, 2026
7
DemandscienceIndirect evidence
Boston, United StatesHQ checked Sep 5, 20261,001-5,0001,087

“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 5, 2026
8
MediaoceanPartial evidence
New York, NY, United StatesHQ checked Sep 5, 20261,001-5,0001,050

“Mediaocean is powering the future of the advertising ecosystem with technology that empowers brands and agencies to deliver impactful omnichannel marketing experiences.”

Source: company website · checked Sep 5, 2026
9
ActivecampaignPartial evidence
Chicago, IL, United StatesHQ checked Sep 5, 20261,001-5,000863

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

Source: company website · checked Sep 5, 2026
10
MarigoldPartial evidence
Nashville, TN, United StatesHQ checked Sep 5, 2026201-500820

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

Source: company website · checked Sep 5, 2026
11
KhorosPartial evidence
Austin, TX, United StatesHQ checked Sep 5, 2026501-1,000763

“Khoros' award-winning enterprise software makes it easier for complex brands to engage with customers at scale across digital, social, and brand-owned channels.”

Source: company website · checked Sep 5, 2026
12
simpli.fiIndirect evidence
Fort Worth, TX, United StatesHQ checked Sep 5, 2026501-1,000680

“Simpli.fi is a real-world media platform that connects digital intent with physical movement, helping brands reach audiences in the right place, at the right moment, to drive…”

Source: company website · checked Sep 5, 2026
13
Movable INKIndirect evidence
New York, NY, United StatesHQ checked Sep 5, 2026501-1,000672

“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 5, 2026
14
Vertis CommunicationsIndirect evidence
Sussex, WI, United StatesHQ checked Sep 5, 202610001+605

“Vertis Communications was acquired by Quad/Graphics in January 2013.”

Source: company website · checked Sep 5, 2026
15
OptimovePartial evidence
New York, NY, United StatesHQ checked Sep 5, 2026501-1,000588

“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 5, 2026
16
Adobe MarketoIndirect evidence
San Jose, CA, United StatesHQ checked Sep 5, 20261,001-5,000572

“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 5, 2026
17
MavlersPartial evidence
San Jose, CA, United StatesHQ checked Sep 5, 2026501-1,000488

“At Mavlers, we’re more than just a digital marketing and technology partner-we’re your behind-the-scenes powerhouse.”

Source: company website · checked Sep 5, 2026
18
MadwireStrong evidence
Fort Collins, CO, United StatesHQ checked Sep 5, 2026501-1,000404

“Madwire® is a technology company that provides business management and marketing software and services for SMBs and franchises.”

Source: company website · checked Sep 5, 2026
19
HCL UnicaStrong evidence
Sunnyvale, CA, United StatesHQ checked Sep 5, 202610001+381

“Collaborate, innovate and drive the business forward with HCLSoftware's Digital Transformation marketing software solution.”

Source: company website · checked Sep 5, 2026
20
HightouchPartial evidence
San Francisco, CA, United StatesHQ checked Sep 5, 2026201-500358

“Hightouch is an Agentic Marketing Platform powered by the industry-leading Composable CDP.”

Source: company website · checked Sep 5, 2026
21
NextrollPartial evidence
San Francisco, CA, United StatesHQ checked Sep 5, 2026201-500320

“NextRoll is a leading marketing technology company that empowers businesses to drive sustainable growth while building trusted connections with their audiences.”

Source: company website · checked Sep 5, 2026
22
marketing.comPartial evidence
Eureka, MO, United StatesHQ checked Sep 5, 20261,001-5,000309

“From click to print and everything in between, we’re not changing marketing, just how it’s done.”

Source: company website · checked Sep 5, 2026
23
IntegrateIndirect evidence
Phoenix, AZ, United StatesHQ checked Sep 5, 202651-200301

“Enabling B2B Marketers Connect data across demand channels Govern data + ensure integrity Analyze impact + inform next best investments”

Source: company website · checked Sep 5, 2026
24
ClaritasPartial evidence
Cincinnati, OH, United StatesHQ checked Sep 5, 2026201-500299

“Claritas: Empowering Data-Driven Marketing With nearly 50 years of understanding the American consumer, Claritas offers a comprehensive marketing optimization platform.”

Source: company website · checked Sep 5, 2026
25
ListrakPartial evidence
Lititz, PA, United StatesHQ checked Sep 5, 2026201-500295

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

Source: company website · checked Sep 5, 2026

Showing 25 of 2,620 marketing workflow software companies based in the United States

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Marketing workflow software companies based in the United States at a glance

As of Sep 5, 2026
1-10Median size (employees)
New YorkLargest hub · 142 HQs
16,612Contacts with mobile numbers
Sep 5, 2026Data refreshed

Companies by employee count

1-10
1,543
11-50
749
51-200
207
201-500
63
501-1,000
15
1,001-5,000
34
5,001-10,000
2
10001+
4

Verified emails by last verification

0–30
21,008
31–60
1,296
61–90
23
90–180
16
180+
159

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 workflow software companies, 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 workflow software companies”. 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 workflow software companies, 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, 22,502 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 5, 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.

Frequently asked

How many marketing workflow software companies are there based in the United States?

RevenueBase identified 2,620 marketing workflow software companies 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?

Hubspot, headquartered in Cambridge, tops this list with the largest team on record.

Which city has the most marketing workflow software companies?

New York leads with 142 headquartered companies, followed by San Francisco (94) and Chicago (65).

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 22,502 verified decision-maker contacts tracked across these 2,620 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 5, 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.