Company lists · Data refreshed September 2026

Top 25 B2B lead generation software developers based in the United States

Name: B2B lead generation software 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 27, 2026 4,532 companies tracked

RevenueBase identified 4,532 company matches for B2B lead generation software developers associated with the United States as of September 2026 and tracks 82,137 professional contacts across them, including 24,591 with verified work emails. New York is the largest hub.

This list covers company matches for B2B lead generation software 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 27, 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 27, 2026 How this list was built

4,532Companies

82,137Contacts tracked

24,591Verified emails

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The 25 largest B2B lead generation software developers based in the United States

Ranked by team size

Top 25 of 4,532 company matches for B2B lead generation software developers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 27, 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 27, 2026 · View company records in RevenueBase
2	Zoominfo	Exact match	Vancouver, WA, United StatesHQ recorded Sep 27, 2026	1,001-5,000	4,029 contacts →
	Exact match “ZoomInfo (NASDAQ: GTM) is the go-to-market platform that helps businesses find, acquire and grow their customers.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3	Klaviyo	Exact match	Boston, MA, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
4	Constant Contact	Exact match	Waltham, MA, United StatesHQ recorded Sep 27, 2026	1,001-5,000	1,611 contacts →
	Exact match “We deliver for small businesses with powerful tools to simplify and amplify digital marketing.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5	Intuit Mailchimp	Exact match	Atlanta, GA, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
6	6sense	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
7	Data Axle	Exact match	Dallas, TX, United StatesHQ recorded Sep 27, 2026	1,001-5,000	1,088 contacts →
	Exact match “Data Axle helps clients create a foundation of clean data, find new leads, develop winning strategies, design beautiful campaigns, and can handle all day-to-day execution needs” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8	Demandscience	Exact match	Boston, United StatesHQ recorded Sep 27, 2026	1,001-5,000	1,087 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9	Cience	Exact match	Miami, FL, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
10	apollo.io	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 2026	501-1,000	863 contacts →
	Exact match “Apollo.io is the AI-powered end-to-end go-to-market platform that empowers sales, marketing, and revenue teams to find prospects, engage customers, and close deals with…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11	Marigold	Exact match	Nashville, TN, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
12	S2w Media	Exact match	New York, NY, United StatesHQ recorded Sep 27, 2026	501-1,000	806 contacts →
	Exact match “We are innovators, problem solvers, thought leaders, and above all else, a team.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13	Infuse	Exact match	Boca Raton, FL, United StatesHQ recorded Sep 27, 2026	1,001-5,000	796 contacts →
	Exact match “Demand Excellence Delivered We are INFUSE, a global B2B demand and revenue marketing performance company.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14	Manlitics B2B Ites	Exact match	New York, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
15	Applovin	Exact match	Palo Alto, CA, United StatesHQ recorded Sep 27, 2026	201-500	733 contacts →
	Exact match “AppLovin helps businesses of any size reach over a billion people who play mobile games every day.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16	Abstrakt Marketing Group	Exact match	St. Louis, MO, United StatesHQ recorded Sep 27, 2026	501-1,000	724 contacts →
	Exact match “We book the qualified meetings that fill your pipeline for any B2B company ready to grow.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17	Salebuild	Exact match	Redwood City, CA, United StatesHQ recorded Sep 27, 2026	n/a	708 contacts →
	Exact match “Salesify, a leading provider of B2B demand generation services, helps our clients create pipeline and accelerate revenue by identifying, profiling, nurturing and connecting with…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18	Flexisales INC	Exact match	Las Vegas, NV, United StatesHQ recorded Sep 27, 2026	201-500	697 contacts →
	Exact match “Flexisales, is a global frontrunner in B2B Lead & Demand Generation and Data Services, serving technology companies & agencies worldwide.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19	On24	Exact match	San Francisco, CA, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
20	Optimove	Exact match	New York, NY, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
21	Digitalzone	Exact match	New York, NY, United StatesHQ recorded Sep 27, 2026	501-1,000	558 contacts →
	Exact match “Digitalzone is a global marketing and demand gen company dedicated to delivering compliant leads, exceptional customer satisfaction, and an end-to-end approach.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22	Movingdneedle Pvt. LTD	Exact match	Sterling Heights, MI, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
23	Callbox INC	Exact match	Encino, CA, United StatesHQ recorded Sep 27, 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 27, 2026 · View company records in RevenueBase
24	Infoanalytica, INC	Exact match	San Jose, CA, United StatesHQ recorded Sep 27, 2026	201-500	482 contacts →
	Exact match “InfoAnalytica is a B2B sales acceleration partner for mid-market and enterprise companies.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25	Infogroup	Exact match	Dallas, TX, United StatesHQ recorded Sep 27, 2026	1,001-5,000	476 contacts →
	Exact match “Infogroup is a big data, analytics, and marketing services provider that delivers best in class data-driven customer-centric technology solutions.” Recorded in the RevenueBase company graph · Sep 27, 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 “B2B lead generation software 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 4,532 B2B lead generation software developers based in the United States

See the full list, filter by size, metro and specialty, and access 24,591 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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B2B lead generation software developers based in the United States at a glance

As of Sep 27, 2026

29.9%Verified-email coverage

18.1Average contacts per company

1-10Median size (employees)

6.2%Largest-city concentration · New York

Sep 27, 2026Page data refreshed

Companies by employee count

1-10

2,540

11-50

1,376

51-200

448

201-500

107

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 4,532 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 “B2B lead generation software 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 24,591 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 27, 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.

B2B lead generation software 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 “B2B lead generation software developers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many B2B lead generation software developers are there based in the United States?

RevenueBase identified 4,532 company matches for B2B lead generation software 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 B2B lead generation software developers?

New York leads with 279 company records, followed by San Francisco (166) and Austin (120).

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 24,591 professional contacts with verified work emails tracked across these 4,532 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 27, 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.