Company lists · Data refreshed October 2026
Top 25 Email and communication automation companies based in the United States
RevenueBase identified 1,645 company matches for email and communication automation companies associated with the United States as of October 2026 and tracks 46,837 professional contacts across them, including 19,510 with verified work emails. New York is the largest hub.
This list covers company matches for email and communication automation companies 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 October 12, 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.
The 25 largest email and communication automation companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 11,324 contacts → | ||||
Exact match “HubSpot is a leading agentic customer platform that provides software and support to help businesses grow better.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 2 | 6,438 contacts → | ||||
Exact match “Today's leading companies trust Twilio's Customer Engagement Platform (CEP) to build direct, personalized relationships with their customers everywhere in the world.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 3 | 2,906 contacts → | ||||
Exact match “Klaviyo (NYSE: KVYO) is the autonomous B2C CRM.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 4 | 2,252 contacts → | ||||
Exact match “Braze is the leading customer engagement platform that empowers brands to Be Absolutely Engaging.™ Braze allows any marketer to collect and take action on any amount of data from…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 5 | 1,395 contacts → | ||||
Exact match “The Mailchimpossibilities are endless when you create, automate, and optimize your marketing with Mailchimp.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 6 | 1,208 contacts → | ||||
Exact match “Basis Technologies is a global provider of workflow automation, intelligence and programmatic trading software for the marketing enterprise.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 7 | 938 contacts → | ||||
Exact match “MoEngage is an agentic customer engagement platform for the customer-obsessed marketers and product owners.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 8 | 855 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 · Oct 12, 2026 · View company records in RevenueBase | |||||
| 9 | 666 contacts → | ||||
Exact match “Khoros' award-winning enterprise software makes it easier for complex brands to engage with customers at scale across digital, social, and brand-owned channels.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 10 | 635 contacts → | ||||
Exact match “Movable Ink helps marketers create more relevant customer experiences across email, mobile, and web through data activation, AI-powered decisioning, and personalization at scale.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 11 | 612 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 · Oct 12, 2026 · View company records in RevenueBase | |||||
| 12 | 577 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 · Oct 12, 2026 · View company records in RevenueBase | |||||
| 13 | 504 contacts → | ||||
Exact match “Acoustic, L.P.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 14 | 493 contacts → | ||||
Exact match “Create personalized customer journeys that engage and convert with our versatile customer engagement platform.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 15 | 481 contacts → | ||||
Exact match “Workshop is a modern, purpose-built internal communications platform that helps teams create, send, manage, and measure employee communications in one place, starting with email…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 16 | 391 contacts → | ||||
Exact match “Collaborate, innovate and drive the business forward with HCLSoftware's Digital Transformation marketing software solution.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 17 | 275 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 · Oct 12, 2026 · View company records in RevenueBase | |||||
| 18 | 256 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 · Oct 12, 2026 · View company records in RevenueBase | |||||
| 19 | 239 contacts → | ||||
Exact match “All-in-one outreach platform for business growth.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 20 | 217 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 · Oct 12, 2026 · View company records in RevenueBase | |||||
| 21 | 195 contacts → | ||||
Exact match “Stirista is the only company that combines data, email, and digital execution to help clients acquire and retain customers by creating a data-driven, repeatable, and scalable…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 22 | 187 contacts → | ||||
Exact match “We believe every business deserves great marketing.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 23 | 182 contacts → | ||||
Exact match “Our mission is to solve customer experience.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 24 | 178 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 · Oct 12, 2026 · View company records in RevenueBase | |||||
| 25 | 168 contacts → | ||||
Exact match “With Keap, you'll easily capture, organize, track, and nurture all of your leads to increase sales and revenue.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “email and communication automation companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 1,645 email and communication automation companies based in the United States
See the full list, filter by size, metro and specialty, and access 19,510 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Email and communication automation companies based in the United States at a glance
As of Oct 12, 2026Companies by employee count
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 1,645 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 “email and communication automation companies” 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 19,510 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 October 12, 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.
Email and communication automation companies by metro
- Email and communication automation companies in New York107
- Email and communication automation companies in San Francisco78
- Email and communication automation companies in Los Angeles48
- Email and communication automation companies in Sheridan44
- Email and communication automation companies in Austin41
- Email and communication automation companies in Miami36
- Email and communication automation companies in Atlanta35
- Email and communication automation companies in Chicago30
- Email and communication automation companies in San Diego30
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 “email and communication automation companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many email and communication automation companies are there based in the United States?
RevenueBase identified 1,645 company matches for email and communication automation companies associated with the United States as of October 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?
Hubspot tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most email and communication automation companies?
New York leads with 107 company records, followed by San Francisco (78) and Los Angeles (48).
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 19,510 professional contacts with verified work emails tracked across these 1,645 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 October 12, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,645 email and communication automation companies based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Email and communication automation companies by geography
- Email and communication automation companies based in Sydney, Australia
- Email and communication automation companies based in Sao Paulo, Brazil
- Email and communication automation companies based in Toronto, Canada
- Email and communication automation companies based in Paris, France
- Email and communication automation companies based in Bangalore, India
- Email and communication automation companies based in Pune, India
- Email and communication automation companies based in Singapore, Singapore
- Email and communication automation companies based in Stockholm, Sweden
- Email and communication automation companies based in London, United Kingdom
- Email and communication automation companies based in Atlanta, United States
- Email and communication automation companies based in Austin, United States
- Email and communication automation companies based in Chicago, United States
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Email and communication automation companies based in Sydney, Australia
- Email and communication automation companies based in Sao Paulo, Brazil
- Email and communication automation companies based in Toronto, Canada
- Email and communication automation companies based in Paris, France
- Email and communication automation companies based in Bangalore, India
- Email and communication automation companies based in Pune, India
Company intelligence · public preview
Top 25 email and communication automation companies based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,645 matching company records for email and communication automation companies based in the United States, with 46,837 tracked contacts and 19,510 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 12, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 email and communication automation companies based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Hubspothubspot.comHQ: Cambridge, MA, United StatesReported employees: 5,001-10,000 | Cambridge, MA, United States | 5,001-10,000 | Exact match | 11,324 contacts → |
“HubSpot is a leading agentic customer platform that provides software and support to help businesses grow better.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Twiliotwilio.comHQ: San Francisco, CA, United StatesReported employees: 5,001-10,000 | San Francisco, CA, United States | 5,001-10,000 | Exact match | 6,438 contacts → |
“Today's leading companies trust Twilio's Customer Engagement Platform (CEP) to build direct, personalized relationships with their customers everywhere in the world.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Klaviyoklaviyo.comHQ: Boston, MA, United StatesReported employees: 1,001-5,000 | Boston, MA, United States | 1,001-5,000 | Exact match | 2,906 contacts → |
“Klaviyo (NYSE: KVYO) is the autonomous B2C CRM.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  BRAZEbraze.comHQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 2,252 contacts → |
“Braze is the leading customer engagement platform that empowers brands to Be Absolutely Engaging.™ Braze allows any marketer to collect and take action on any amount of data from…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Intuit Mailchimpmailchimp.comHQ: Atlanta, GA, United StatesReported employees: 1,001-5,000 | Atlanta, GA, United States | 1,001-5,000 | Exact match | 1,395 contacts → |
“The Mailchimpossibilities are endless when you create, automate, and optimize your marketing with Mailchimp.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Centrobasis.netHQ: Chicago, IL, United StatesReported employees: 501-1,000 | Chicago, IL, United States | 501-1,000 | Exact match | 1,208 contacts → |
“Basis Technologies is a global provider of workflow automation, intelligence and programmatic trading software for the marketing enterprise.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Moengagemoengage.comHQ: San Francisco, CA, United StatesReported employees: 501-1,000 | San Francisco, CA, United States | 501-1,000 | Exact match | 938 contacts → |
“MoEngage is an agentic customer engagement platform for the customer-obsessed marketers and product owners.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Activecampaignactivecampaign.comHQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 855 contacts → |
“ActiveCampaign is the AI-first autonomous marketing platform built to transform how marketers, agencies, and entrepreneurs work.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Khoroskhoros.comHQ: Austin, TX, United StatesReported employees: 501-1,000 | Austin, TX, United States | 501-1,000 | Exact match | 666 contacts → |
“Khoros' award-winning enterprise software makes it easier for complex brands to engage with customers at scale across digital, social, and brand-owned channels.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Movable INKmovableink.comHQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 635 contacts → |
“Movable Ink helps marketers create more relevant customer experiences across email, mobile, and web through data activation, AI-powered decisioning, and personalization at scale.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Marigoldmeetmarigold.comHQ: Nashville, TN, United StatesReported employees: 201-500 | Nashville, TN, United States | 201-500 | Exact match | 612 contacts → |
“Marigold is a global marketing technology company focused on delivering relationship marketing solutions for growing organizations.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Adobe Marketomarketo.comHQ: San Jose, CA, United StatesReported employees: 1,001-5,000 | San Jose, CA, United States | 1,001-5,000 | Exact match | 577 contacts → |
“Adobe Marketo Engage offers the leading Engagement Platform that empowers marketers to build brand value, grow revenue, and prove impact.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Acousticacoustic.comHQ: Conway, AR, United StatesReported employees: 501-1,000 | Conway, AR, United States | 501-1,000 | Exact match | 504 contacts → |
“Acoustic, L.P.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  customer.iocustomer.ioHQ: Portland, OR, United StatesReported employees: 201-500 | Portland, OR, United States | 201-500 | Exact match | 493 contacts → |
“Create personalized customer journeys that engage and convert with our versatile customer engagement platform.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Workshopuseworkshop.comHQ: Omaha, NE, United StatesReported employees: 51-200 | Omaha, NE, United States | 51-200 | Exact match | 481 contacts → |
“Workshop is a modern, purpose-built internal communications platform that helps teams create, send, manage, and measure employee communications in one place, starting with email…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  HCL Unicahcl-software.comHQ: Sunnyvale, CA, United StatesReported employees: 10001+ | Sunnyvale, CA, United States | 10001+ | Exact match | 391 contacts → |
“Collaborate, innovate and drive the business forward with HCLSoftware's Digital Transformation marketing software solution.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Listraklistrak.comHQ: Lititz, PA, United StatesReported employees: 201-500 | Lititz, PA, United States | 201-500 | Exact match | 275 contacts → |
“Listrak is the person-first marketing automation platform that seamlessly integrates data, identity, and cross-channel messaging to power hyper-personalized customer experiences.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Warrior Pluswarriorplus.comHQ: Henderson, NV, United StatesReported employees: Not recorded | Henderson, NV, United States | Not recorded | Exact match | 256 contacts → |
“Best-in-class sales & marketing automation platform and marketplace for digital business owners and online marketers” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  instantly.aiinstantly.aiHQ: Sheridan, WY, United StatesReported employees: 51-200 | Sheridan, WY, United States | 51-200 | Exact match | 239 contacts → |
“All-in-one outreach platform for business growth.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Act-On Softwareact-on.comHQ: Portland, OR, United StatesReported employees: 201-500 | Portland, OR, United States | 201-500 | Exact match | 217 contacts → |
“Act-On Software provides the innovative marketing automation platform for marketers who think big and act boldly.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Stiristastirista.comHQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 195 contacts → |
“Stirista is the only company that combines data, email, and digital execution to help clients acquire and retain customers by creating a data-driven, repeatable, and scalable…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Outboundengineoutboundengine.comHQ: Seattle, WA, United StatesReported employees: 201-500 | Seattle, WA, United States | 201-500 | Exact match | 187 contacts → |
“We believe every business deserves great marketing.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Remarkable AIberemarkable.aiHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 182 contacts → |
“Our mission is to solve customer experience.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Sendpulsesendpulse.comHQ: New York, United StatesReported employees: 51-200 | New York, United States | 51-200 | Exact match | 178 contacts → |
“SendPulse is an AI-driven marketing platform that helps scaling businesses automate email and chatbot conversations.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  KEAPkeap.comHQ: Chandler, AZ, United StatesReported employees: 201-500 | Chandler, AZ, United States | 201-500 | Exact match | 168 contacts → |
“With Keap, you'll easily capture, organize, track, and nurture all of your leads to increase sales and revenue.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,645 company matches
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Email and communication automation companies: dataset insights
October 12, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,645 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 1,645 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 12, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Email and communication automation companies by metro
- Email and communication automation companies in New York107
- Email and communication automation companies in San Francisco78
- Email and communication automation companies in Los Angeles48
- Email and communication automation companies in Sheridan44
- Email and communication automation companies in Austin41
- Email and communication automation companies in Miami36
- Email and communication automation companies in Atlanta35
- Email and communication automation companies in Chicago30
- Email and communication automation companies in San Diego30
Questions about this company list
What does Exact match mean for email and communication automation companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many email and communication automation companies did RevenueBase find based in the United States?
The saved snapshot records 1,645 matching company records, 46,837 tracked contacts and 19,510 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 12, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Email and communication automation companies by geography
- Email and communication automation companies based in Sydney, Australia
- Email and communication automation companies based in Sao Paulo, Brazil
- Email and communication automation companies based in Toronto, Canada
- Email and communication automation companies based in Paris, France
- Email and communication automation companies based in Bangalore, India
- Email and communication automation companies based in Pune, India
- Email and communication automation companies based in Singapore, Singapore
- Email and communication automation companies based in Stockholm, Sweden
- Email and communication automation companies based in London, United Kingdom
- Email and communication automation companies based in Atlanta, United States
- Email and communication automation companies based in Austin, United States
- Email and communication automation companies based in Chicago, United States
Cite this list
RevenueBase Data Team. Top 25 email and communication automation companies based in the United States. Snapshot: October 12, 2026. https://revenuebase.ai/companies/email-and-communication-automation-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Email and communication automation companies based in Sydney, Australia
- Email and communication automation companies based in Sao Paulo, Brazil
- Email and communication automation companies based in Toronto, Canada
- Email and communication automation companies based in Paris, France
- Email and communication automation companies based in Bangalore, India
- Email and communication automation companies based in Pune, India
Company intelligence · public preview
Top 25 email and communication automation companies based in the United States
RevenueBase records 1,645 matching company records for email and communication automation companies based in the United States, with 46,837 tracked contacts and 19,510 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 12, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 email and communication automation companies based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Hubspothubspot.com HQ: Cambridge, MA, United StatesReported employees: 5,001-10,000 | Cambridge, MA, United States | 5,001-10,000 | Exact match | 11,324 contacts → |
“HubSpot is a leading agentic customer platform that provides software and support to help businesses grow better.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Twiliotwilio.com HQ: San Francisco, CA, United StatesReported employees: 5,001-10,000 | San Francisco, CA, United States | 5,001-10,000 | Exact match | 6,438 contacts → |
“Today's leading companies trust Twilio's Customer Engagement Platform (CEP) to build direct, personalized relationships with their customers everywhere in the world.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Klaviyoklaviyo.com HQ: Boston, MA, United StatesReported employees: 1,001-5,000 | Boston, MA, United States | 1,001-5,000 | Exact match | 2,906 contacts → |
“Klaviyo (NYSE: KVYO) is the autonomous B2C CRM.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | BRAZEbraze.com HQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 2,252 contacts → |
“Braze is the leading customer engagement platform that empowers brands to Be Absolutely Engaging.™ Braze allows any marketer to collect and take action on any amount of data from…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Intuit Mailchimpmailchimp.com HQ: Atlanta, GA, United StatesReported employees: 1,001-5,000 | Atlanta, GA, United States | 1,001-5,000 | Exact match | 1,395 contacts → |
“The Mailchimpossibilities are endless when you create, automate, and optimize your marketing with Mailchimp.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Centrobasis.net HQ: Chicago, IL, United StatesReported employees: 501-1,000 | Chicago, IL, United States | 501-1,000 | Exact match | 1,208 contacts → |
“Basis Technologies is a global provider of workflow automation, intelligence and programmatic trading software for the marketing enterprise.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Moengagemoengage.com HQ: San Francisco, CA, United StatesReported employees: 501-1,000 | San Francisco, CA, United States | 501-1,000 | Exact match | 938 contacts → |
“MoEngage is an agentic customer engagement platform for the customer-obsessed marketers and product owners.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Activecampaignactivecampaign.com HQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 855 contacts → |
“ActiveCampaign is the AI-first autonomous marketing platform built to transform how marketers, agencies, and entrepreneurs work.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Khoroskhoros.com HQ: Austin, TX, United StatesReported employees: 501-1,000 | Austin, TX, United States | 501-1,000 | Exact match | 666 contacts → |
“Khoros' award-winning enterprise software makes it easier for complex brands to engage with customers at scale across digital, social, and brand-owned channels.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Movable INKmovableink.com HQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 635 contacts → |
“Movable Ink helps marketers create more relevant customer experiences across email, mobile, and web through data activation, AI-powered decisioning, and personalization at scale.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Marigoldmeetmarigold.com HQ: Nashville, TN, United StatesReported employees: 201-500 | Nashville, TN, United States | 201-500 | Exact match | 612 contacts → |
“Marigold is a global marketing technology company focused on delivering relationship marketing solutions for growing organizations.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Adobe Marketomarketo.com HQ: San Jose, CA, United StatesReported employees: 1,001-5,000 | San Jose, CA, United States | 1,001-5,000 | Exact match | 577 contacts → |
“Adobe Marketo Engage offers the leading Engagement Platform that empowers marketers to build brand value, grow revenue, and prove impact.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Acousticacoustic.com HQ: Conway, AR, United StatesReported employees: 501-1,000 | Conway, AR, United States | 501-1,000 | Exact match | 504 contacts → |
“Acoustic, L.P.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | customer.iocustomer.io HQ: Portland, OR, United StatesReported employees: 201-500 | Portland, OR, United States | 201-500 | Exact match | 493 contacts → |
“Create personalized customer journeys that engage and convert with our versatile customer engagement platform.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Workshopuseworkshop.com HQ: Omaha, NE, United StatesReported employees: 51-200 | Omaha, NE, United States | 51-200 | Exact match | 481 contacts → |
“Workshop is a modern, purpose-built internal communications platform that helps teams create, send, manage, and measure employee communications in one place, starting with email…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HCL Unicahcl-software.com HQ: Sunnyvale, CA, United StatesReported employees: 10001+ | Sunnyvale, CA, United States | 10001+ | Exact match | 391 contacts → |
“Collaborate, innovate and drive the business forward with HCLSoftware's Digital Transformation marketing software solution.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Listraklistrak.com HQ: Lititz, PA, United StatesReported employees: 201-500 | Lititz, PA, United States | 201-500 | Exact match | 275 contacts → |
“Listrak is the person-first marketing automation platform that seamlessly integrates data, identity, and cross-channel messaging to power hyper-personalized customer experiences.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Warrior Pluswarriorplus.com HQ: Henderson, NV, United StatesReported employees: Not recorded | Henderson, NV, United States | Not recorded | Exact match | 256 contacts → |
“Best-in-class sales & marketing automation platform and marketplace for digital business owners and online marketers” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | instantly.aiinstantly.ai HQ: Sheridan, WY, United StatesReported employees: 51-200 | Sheridan, WY, United States | 51-200 | Exact match | 239 contacts → |
“All-in-one outreach platform for business growth.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Act-On Softwareact-on.com HQ: Portland, OR, United StatesReported employees: 201-500 | Portland, OR, United States | 201-500 | Exact match | 217 contacts → |
“Act-On Software provides the innovative marketing automation platform for marketers who think big and act boldly.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Stiristastirista.com HQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 195 contacts → |
“Stirista is the only company that combines data, email, and digital execution to help clients acquire and retain customers by creating a data-driven, repeatable, and scalable…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Outboundengineoutboundengine.com HQ: Seattle, WA, United StatesReported employees: 201-500 | Seattle, WA, United States | 201-500 | Exact match | 187 contacts → |
“We believe every business deserves great marketing.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Remarkable AIberemarkable.ai HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 182 contacts → |
“Our mission is to solve customer experience.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Sendpulsesendpulse.com HQ: New York, United StatesReported employees: 51-200 | New York, United States | 51-200 | Exact match | 178 contacts → |
“SendPulse is an AI-driven marketing platform that helps scaling businesses automate email and chatbot conversations.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | KEAPkeap.com HQ: Chandler, AZ, United StatesReported employees: 201-500 | Chandler, AZ, United States | 201-500 | Exact match | 168 contacts → |
“With Keap, you'll easily capture, organize, track, and nurture all of your leads to increase sales and revenue.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,645 company matches
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Email and communication automation companies: dataset insights
October 12, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,645 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 1,645 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 12, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Email and communication automation companies by metro
- Email and communication automation companies in New York107
- Email and communication automation companies in San Francisco78
- Email and communication automation companies in Los Angeles48
- Email and communication automation companies in Sheridan44
- Email and communication automation companies in Austin41
- Email and communication automation companies in Miami36
- Email and communication automation companies in Atlanta35
- Email and communication automation companies in Chicago30
- Email and communication automation companies in San Diego30
Questions about this company list
What does Exact match mean for email and communication automation companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many email and communication automation companies did RevenueBase find based in the United States?
The saved snapshot records 1,645 matching company records, 46,837 tracked contacts and 19,510 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 12, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Email and communication automation companies by geography
- Email and communication automation companies based in Sydney, Australia
- Email and communication automation companies based in Sao Paulo, Brazil
- Email and communication automation companies based in Toronto, Canada
- Email and communication automation companies based in Paris, France
- Email and communication automation companies based in Bangalore, India
- Email and communication automation companies based in Pune, India
- Email and communication automation companies based in Singapore, Singapore
- Email and communication automation companies based in Stockholm, Sweden
- Email and communication automation companies based in London, United Kingdom
- Email and communication automation companies based in Atlanta, United States
- Email and communication automation companies based in Austin, United States
- Email and communication automation companies based in Chicago, United States
Cite this list
RevenueBase Data Team. Top 25 email and communication automation companies based in the United States. Snapshot: October 12, 2026. https://revenuebase.ai/companies/email-and-communication-automation-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Email and communication automation companies based in Sydney, Australia
- Email and communication automation companies based in Sao Paulo, Brazil
- Email and communication automation companies based in Toronto, Canada
- Email and communication automation companies based in Paris, France
- Email and communication automation companies based in Bangalore, India
- Email and communication automation companies based in Pune, India