Company lists · Data refreshed September 2026

Top 25 Sales prospecting tools based in the United States

RevenueBase identified 2,494 sales prospecting tools headquartered in the United States as of September 2026 and tracks 47,731 professional contacts across them, including 17,437 with verified work emails. San Francisco is the largest hub.

This list covers sales prospecting tools headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 14, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 14, 2026 86% judged on-target in blind review
2,494Companies
47,731Contacts tracked
17,437Verified emails
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The 25 largest sales prospecting tools based in the United States

Ranked by team size
Top 25 of 2,494 sales prospecting tools based in the United States, ranked by team size, largest first. Data refreshed Sep 14, 2026. RevenueBase Smart Search rates how each company's information relates to sales prospecting tools: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceCambridge, MA, United StatesHQ checked Sep 14, 20265,001-10,00011,077 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 14, 2026
2Indirect evidenceBoston, MA, United StatesHQ checked Sep 14, 20261,001-5,0002,789 contacts →

Indirect evidence

“Klaviyo (NYSE: KVYO) is the autonomous B2C CRM.”

Source: RevenueBase Database · checked Sep 14, 2026
RevenueBasePublisher of this directory
Not ratedBoston, MA, United Statesn/aTry free

Not rated

“RevenueBase is a B2B contact data platform. This directory is built from its company graph.”

3Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 14, 20261,001-5,0001,443 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 14, 2026
4Indirect evidenceMiami, FL, United StatesHQ checked Sep 14, 2026201-5001,068 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 14, 2026
5Partial evidenceNew York, NY, United StatesHQ checked Sep 14, 2026501-1,000970 contacts →

Partial evidence

“Founded in 2010, Pipedrive is an easy and effective sales CRM that drives small business growth.”

Source: RevenueBase Database · checked Sep 14, 2026
6Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 14, 2026501-1,000863 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 14, 2026
7Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 14, 2026501-1,000622 contacts →

Indirect evidence

“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.”

Source: RevenueBase Database · checked Sep 14, 2026
8Indirect evidenceDenver, CO, United StatesHQ checked Sep 14, 2026501-1,000576 contacts →

Indirect evidence

“SugarAI: the CRM that actually helps sellers sell.”

Source: RevenueBase Database · checked Sep 14, 2026
9Partial evidenceSterling Heights, MI, United StatesHQ checked Sep 14, 202651-200528 contacts →

Partial evidence

“movingDneedle is a Business to Business Sales Lead Generation Company that provides fast and scalable, sales qualified leads through its unique Personalized Email Marketing…”

Source: RevenueBase Database · checked Sep 14, 2026
10Indirect evidenceEncino, CA, United StatesHQ checked Sep 14, 2026201-500499 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 14, 2026
11Indirect evidenceSunnyvale, CA, United StatesHQ checked Sep 14, 202651-200480 contacts →

Indirect evidence

“At SMARTe, we understand the challenges faced by revenue-generating teams.”

Source: RevenueBase Database · checked Sep 14, 2026
12Indirect evidenceDenver, CO, United StatesHQ checked Sep 14, 202651-200455 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 14, 2026
13Indirect evidenceBerkeley, CA, United StatesHQ checked Sep 14, 2026201-500416 contacts →

Indirect evidence

“LeadGenius helps B2B companies find and reach their next best customers.”

Source: RevenueBase Database · checked Sep 14, 2026
14Partial evidenceDublin, CA, United StatesHQ checked Sep 14, 20261,001-5,000357 contacts →

Partial evidence

“CallidusCloud is now SAP Sales Cloud, part of the SAP Customer Experience division of SAP.”

Source: RevenueBase Database · checked Sep 14, 2026
15Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 14, 2026201-500335 contacts →

Indirect evidence

“HoneyBook is the leading AI-powered business management platform for small business owners.”

Source: RevenueBase Database · checked Sep 14, 2026
16Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 14, 2026201-500332 contacts →

Indirect evidence

“CallRail is the lead engagement platform that makes it easy for businesses to attract more leads, convert more customers, and optimize their marketing.”

Source: RevenueBase Database · checked Sep 14, 2026
17Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 14, 2026201-500289 contacts →

Indirect evidence

“Deals are won through relationships-but most CRMs weren't built to track them.”

Source: RevenueBase Database · checked Sep 14, 2026
18Indirect evidenceSan Jose, CA, United StatesHQ checked Sep 14, 2026201-500250 contacts →

Indirect evidence

“Web Spiders (WS) is an enterprise software company that develops products for marketing and HR.”

Source: RevenueBase Database · checked Sep 14, 2026
19Partial evidenceDetroit, MI, United StatesHQ checked Sep 14, 20261,001-5,000247 contacts →

Partial evidence

“Rocket Connections is a sales and support platform specializing in contact center services.”

Source: RevenueBase Database · checked Sep 14, 2026
20Partial evidencePensacola, FL, United StatesHQ checked Sep 14, 202651-200223 contacts →

Partial evidence

“Founded in 2016 and headquartered in Pensacola, Florida, MarketJoy is a B2B lead generation, appointment generation and sales development partner built to deliver predictable…”

Source: RevenueBase Database · checked Sep 14, 2026
21Indirect evidenceSan Francisco, United StatesHQ checked Sep 14, 202651-200218 contacts →

Indirect evidence

“Artisan builds AI employees.”

Source: RevenueBase Database · checked Sep 14, 2026
22Partial evidenceOrem, United StatesHQ checked Sep 14, 2026501-1,000217 contacts →

Partial evidence

“Squeeze (GoSqueeze.com) is the leader in Sales Experience (SX).”

Source: RevenueBase Database · checked Sep 14, 2026
23Indirect evidenceSheridan, WY, United StatesHQ checked Sep 14, 202651-200215 contacts →

Indirect evidence

“All-in-one outreach platform for business growth.”

Source: RevenueBase Database · checked Sep 14, 2026
24Indirect evidenceNew York, NY, United StatesHQ checked Sep 14, 202651-200215 contacts →

Indirect evidence

“Outbound is broken when it’s built only on volume.”

Source: RevenueBase Database · checked Sep 14, 2026
25Partial evidenceSanta Clara, CA, United StatesHQ checked Sep 14, 202651-200194 contacts →

Partial evidence

“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.”

Source: RevenueBase Database · checked Sep 14, 2026

Showing 25 of 2,494 sales prospecting tools based in the United States

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Sales prospecting tools based in the United States at a glance

As of Sep 14, 2026
36.5%Verified-email coverage
19.1Average contacts per company
1-10Median size (employees)
6.4%Largest-city concentration · San Francisco
Sep 14, 2026Page data refreshed

Companies by employee count

1-10
1,458
11-50
755
51-200
216
201-500
36
501-1,000
13
1,001-5,000
12
5,001-10,000
1
10001+
1

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 2,494 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among sales prospecting tools, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in the United States whose own description of what they do matches “sales prospecting tools”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names sales prospecting tools), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among sales prospecting tools, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every listed company carries at least one verified work email, 17,437 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 14, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names sales prospecting tools, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many sales prospecting tools are there based in the United States?

RevenueBase identified 2,494 sales prospecting tools headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

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

Which city has the most sales prospecting tools?

San Francisco leads with 159 headquartered companies, followed by New York (147) and Austin (84).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 17,437 verified decision-maker contacts tracked across these 2,494 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 14, 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 Smart Search, 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.