Company lists · Data refreshed September 2026

Top 25 Lead nurturing software companies based in the United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 4, 2026 2,019 companies tracked

RevenueBase identified 2,019 company matches for lead nurturing software companies associated with the United States as of September 2026 and tracks 25,942 professional contacts across them, including 6,071 with verified work emails and 5,926 with mobile numbers. New York is the largest hub.

This list covers company matches for lead nurturing software 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 September 4, 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 4, 2026 How this list was built

2,019Companies

25,942Contacts tracked

6,071Verified emails

5,926Mobile numbers

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The 25 largest lead nurturing software companies based in the United States

Ranked by team size

Top 25 of 2,019 company matches for lead nurturing software companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 4, 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	Intuit Mailchimp	Exact match	Atlanta, CA, United StatesHQ recorded Sep 4, 2026	1,001-5,000	1,557 contacts →
	Exact match “The Mailchimpossibilities are endless when you create, automate, and optimize your marketing with Mailchimp.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
2	6sense	Exact match	San Francisco, United StatesHQ recorded Sep 4, 2026	1,001-5,000	1,426 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 4, 2026 · View company records in RevenueBase
3	Cience	Exact match	Miami, FL, United StatesHQ recorded Sep 4, 2026	201-500	1,071 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 4, 2026 · View company records in RevenueBase
4	Activecampaign	Exact match	Chicago, IL, United StatesHQ recorded Sep 4, 2026	1,001-5,000	852 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 4, 2026 · View company records in RevenueBase
5	Marigold	Exact match	Nashville, TN, United StatesHQ recorded Sep 4, 2026	201-500	818 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 4, 2026 · View company records in RevenueBase
6	Callbox INC	Exact match	Encino, CA, United StatesHQ recorded Sep 4, 2026	201-500	501 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 4, 2026 · View company records in RevenueBase
7	Saleshive	Exact match	Denver, CO, United StatesHQ recorded Sep 4, 2026	51-200	455 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
8	Callrail	Exact match	Atlanta, GA, United StatesHQ recorded Sep 4, 2026	201-500	330 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 4, 2026 · View company records in RevenueBase
9	instantly.ai	Exact match	Sheridan, WY, United StatesHQ recorded Sep 4, 2026	51-200	218 contacts →
	Exact match “All-in-one outreach platform for business growth.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
10	KEAP	Exact match	Chandler, AZ, United StatesHQ recorded Sep 4, 2026	201-500	200 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 4, 2026 · View company records in RevenueBase
11	Concept Services	Exact match	Copley, OH, United StatesHQ recorded Sep 4, 2026	51-200	186 contacts →
	Exact match “Concept develops and implements comprehensive B2B lead generation and sales development solutions for companies.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
12	Sendpulse	Exact match	New York, United StatesHQ recorded Sep 4, 2026	51-200	181 contacts →
	Exact match “SendPulse is an all-in-one automation platform that specializes in email, SMS, and chatbot marketing and offers a complete toolkit for creating landing pages, developing online…” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
13	Rightwave	Exact match	San Jose, CA, United StatesHQ recorded Sep 4, 2026	51-200	156 contacts →
	Exact match “RightWave provides Marketing Automation Services for B2B companies.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
14	Warmly	Exact match	San Francisco, United StatesHQ recorded Sep 4, 2026	51-200	138 contacts →
	Exact match “Warmly makes your marketing effective by automatically identifying your ideal customers, monitoring their buying intent in real time, and engaging through the right channel at the…” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
15	B2B Rocket	Exact match	Lewes, DE, United StatesHQ recorded Sep 4, 2026	51-200	135 contacts →
	Exact match “B2B Rocket, a Blackpearl Group company (NZE: BPG, publicly traded), is on a mission to empower 1M+ businesses worldwide with AI-powered sales automation.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
16	CLICK	Exact match	Atlanta, GA, United StatesHQ recorded Sep 4, 2026	201-500	134 contacts →
	Exact match “Click is the only complete marketing technology solution that is natively integrated with Microsoft Dynamics CRM.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
17	Netline	Exact match	Newton, CA, United StatesHQ recorded Sep 4, 2026	51-200	131 contacts →
	Exact match “NetLine is the #1 Programmatic B2B Lead Generation Platform, empowering marketers to engage in-market buyers with targeted content and accelerate revenue growth.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
18	CINC	Exact match	Atlanta, GA, United StatesHQ recorded Sep 4, 2026	201-500	128 contacts →
	Exact match “CINC (Commissions, Inc.) is the #1 all-in-one real estate lead generation & conversion CRM platform for teams and top agents.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
19	Myadvice	Exact match	Lehi, UT, United StatesHQ recorded Sep 4, 2026	51-200	123 contacts →
	Exact match “The MyAdvice Success Center is your AI-driven engine that combines smart marketing, intelligent automation, and operational tools to help you add revenue without increasing costs.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
20	Clientify	Exact match	New York, United StatesHQ recorded Sep 4, 2026	51-200	118 contacts →
	Exact match “Stop playing house and start closing deals.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
21	Launch Leads	Exact match	Salt Lake City, UT, United StatesHQ recorded Sep 4, 2026	51-200	112 contacts →
	Exact match “Why Launch Leads?” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
22	Leadiq	Exact match	San Francisco, CA, United StatesHQ recorded Sep 4, 2026	51-200	111 contacts →
	Exact match “Build pipeline with confidence.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
23	Boomtown	Exact match	Charleston, SC, United StatesHQ recorded Sep 4, 2026	201-500	107 contacts →
	Exact match “BoomTown is a software platform designed to help real estate professionals generate leads, manage contacts, and run their business better.” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
24	Genesis Digital, LLC	Exact match	Las Vegas, NV, United StatesHQ recorded Sep 4, 2026	51-200	104 contacts →
	Exact match “Genesis Digital empowers entrepreneurs and small business owners to achieve financial freedom with affordable and easy-to-use marketing and sales automation software, and a…” Recorded in the RevenueBase company graph · Sep 4, 2026 · View company records in RevenueBase
25	ELM Street	Exact match	Seattle, WA, United StatesHQ recorded Sep 4, 2026	201-500	100 contacts →
	Exact match “Elm Street Technology offers a growing portfolio of real estate technology and marketing services with the goal of providing one vendor and one point of contact, fully fused into…” Recorded in the RevenueBase company graph · Sep 4, 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 software 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 2,019 lead nurturing software companies based in the United States

See the full list, filter by size, metro and specialty, and access 6,071 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Lead nurturing software companies based in the United States at a glance

As of Sep 4, 2026

23.4%Verified-email coverage

22.8%Mobile-number coverage

12.8Average contacts per company

1-10Median size (employees)

5.7%Largest-city concentration · New York

Sep 4, 2026Page data refreshed

Companies by employee count

1-10

1,201

11-50

604

51-200

155

201-500

501-1,000

1,001-5,000

10001+

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

00–30

55931–60

3,11361–90

2,31590–180

84180+

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 software 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 6,071 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 4, 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 software companies 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 software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many lead nurturing software companies are there based in the United States?

RevenueBase identified 2,019 company matches for lead nurturing software companies associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

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

Which city has the most lead nurturing software companies?

New York leads with 116 company records, followed by San Francisco (71) and Austin (52).

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 6,071 professional contacts with verified work emails tracked across these 2,019 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 4, 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.