Company lists · Data refreshed September 2026

Top 25 Lead nurturing platform developers based in the United States

Name: Lead nurturing platform developers based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 2,245 companies tracked

RevenueBase identified 2,245 company matches for lead nurturing platform developers associated with the United States as of September 2026 and tracks 48,758 professional contacts across them, including 18,904 with verified work emails. New York is the largest hub.

This list covers company matches for lead nurturing platform developers 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 28, 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 28, 2026 How this list was built

2,245Companies

48,758Contacts tracked

18,904Verified emails

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The 25 largest lead nurturing platform developers based in the United States

Ranked by team size

Top 25 of 2,245 company matches for lead nurturing platform developers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Hubspot	Exact match	Cambridge, MA, United StatesHQ recorded Sep 28, 2026	5,001-10,000	11,077 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 · Sep 28, 2026 · View company records in RevenueBase
2	Klaviyo	Exact match	Boston, MA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,789 contacts →
	Exact match “Klaviyo (NYSE: KVYO) is the autonomous B2C CRM.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	BRAZE	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,142 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 · Sep 28, 2026 · View company records in RevenueBase
4	Intuit Mailchimp	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,483 contacts →
	Exact match “The Mailchimpossibilities are endless when you create, automate, and optimize your marketing with Mailchimp.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	6sense	Exact match	San Francisco, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,443 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 28, 2026 · View company records in RevenueBase
6	Centro	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	501-1,000	1,178 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 · Sep 28, 2026 · View company records in RevenueBase
7	Cience	Exact match	Miami, FL, United StatesHQ recorded Sep 28, 2026	201-500	1,068 contacts →
	Exact match “CIENCE Technologies, Inc, founded in 2015 and headquartered in Denver, CO, is a pioneering global company in lead generation software and services, committed to transforming the…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Activecampaign	Exact match	Chicago, IL, United StatesHQ recorded Sep 28, 2026	1,001-5,000	863 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 28, 2026 · View company records in RevenueBase
9	Marigold	Exact match	Nashville, TN, United StatesHQ recorded Sep 28, 2026	201-500	820 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 28, 2026 · View company records in RevenueBase
10	Manlitics B2B Ites	Exact match	New York, United StatesHQ recorded Sep 28, 2026	501-1,000	750 contacts →
	Exact match “In an ERA of new and emerging digital mediums, we align our core expertise of today’s ever-changing technology with a clear understanding of traditional marketing methods without…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	On24	Exact match	San Francisco, CA, United StatesHQ recorded Sep 28, 2026	501-1,000	622 contacts →
	Exact match “ON24, a Cvent company, is on a mission to help businesses bring their go-to-market strategy into the AI era and drive cost-effective revenue growth.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Optimove	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	501-1,000	588 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 28, 2026 · View company records in RevenueBase
13	Movingdneedle Pvt. LTD	Exact match	Sterling Heights, MI, United StatesHQ recorded Sep 28, 2026	51-200	528 contacts →
	Exact match “movingDneedle is a Business to Business Sales Lead Generation Company that provides fast and scalable, sales qualified leads through its unique Personalized Email Marketing…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Callbox INC	Exact match	Encino, CA, United StatesHQ recorded Sep 28, 2026	201-500	499 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Saleshive	Exact match	Denver, CO, United StatesHQ recorded Sep 28, 2026	51-200	455 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Invoca	Exact match	West Hollywood, CA, United StatesHQ recorded Sep 28, 2026	201-500	368 contacts →
	Exact match “Invoca is the revenue execution and platform leader that helps marketing, commerce, and contact center teams turn every conversation into revenue.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Callrail	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	201-500	332 contacts →
	Exact match “CallRail is the lead engagement platform that makes it easy for businesses to attract more leads, convert more customers, and optimize their marketing.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Listrak	Exact match	Lititz, PA, United StatesHQ recorded Sep 28, 2026	201-500	295 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 28, 2026 · View company records in RevenueBase
19	Warrior Plus	Exact match	Henderson, NV, United StatesHQ recorded Sep 28, 2026	n/a	260 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 28, 2026 · View company records in RevenueBase
20	Chili Piper	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	51-200	235 contacts →
	Exact match “Chili Piper is the all-in-one Demand Conversion Platform, used by Intuit, Spotify, Airbnb, Gong, and thousands more We are the only platform that consolidates Form Routing, Chat…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Artisan	Exact match	San Francisco, United StatesHQ recorded Sep 28, 2026	51-200	218 contacts →
	Exact match “Artisan builds AI employees.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	instantly.ai	Exact match	Sheridan, WY, United StatesHQ recorded Sep 28, 2026	51-200	215 contacts →
	Exact match “All-in-one outreach platform for business growth.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Act-On Software	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	201-500	210 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 28, 2026 · View company records in RevenueBase
24	Leandata	Exact match	Santa Clara, CA, United StatesHQ recorded Sep 28, 2026	51-200	194 contacts →
	Exact match “Help your teams align to your customer’s journey by uniting your CRM data, signals, and tools from the first buying signal to closed-won and beyond.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	KEAP	Exact match	Chandler, AZ, United StatesHQ recorded Sep 28, 2026	201-500	192 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 · Sep 28, 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 “lead nurturing platform developers”. 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 2,245 lead nurturing platform developers based in the United States

See the full list, filter by size, metro and specialty, and access 18,904 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Lead nurturing platform developers based in the United States at a glance

As of Sep 28, 2026

38.8%Verified-email coverage

21.7Average contacts per company

1-10Median size (employees)

6.0%Largest-city concentration · New York

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

1,287

11-50

711

51-200

177

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 2,245 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 “lead nurturing platform developers” 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 18,904 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 28, 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.

Lead nurturing platform developers by metro

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 “lead nurturing platform developers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many lead nurturing platform developers are there based in the United States?

RevenueBase identified 2,245 company matches for lead nurturing platform developers 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?

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

Which city has the most lead nurturing platform developers?

New York leads with 134 company records, followed by San Francisco (92) and Austin (66).

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 18,904 professional contacts with verified work emails tracked across these 2,245 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 28, 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.