Company lists · Data refreshed September 2026

Top 25 Sales development platforms based in the United States

RevenueBase identified 2,749 company matches for sales development platforms associated with the United States as of September 2026 and tracks 60,143 professional contacts across them, including 21,252 with verified work emails. San Francisco is the largest hub.

This list covers company matches for sales development platforms 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 29, 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 29, 2026 How this list was built
2,749Companies
60,143Contacts tracked
21,252Verified emails
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The 25 largest sales development platforms based in the United States

Ranked by team size
Top 25 of 2,749 company matches for sales development platforms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchCambridge, MA, United StatesHQ recorded Sep 29, 20265,001-10,00011,077 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 29, 2026 · View company records in RevenueBase
2Exact matchVancouver, WA, United StatesHQ recorded Sep 29, 20261,001-5,0004,029 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 29, 2026 · View company records in RevenueBase
3Exact matchDallas, TX, United StatesHQ recorded Sep 29, 20261,001-5,0002,412 contacts →

Exact match

“Thryv is an AI-powered platform built to help small businesses get found, win customers, and drive repeat sales.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 20261,001-5,0001,443 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 29, 2026 · View company records in RevenueBase
5Exact matchSeattle, WA, United StatesHQ recorded Sep 29, 2026501-1,0001,281 contacts →

Exact match

“Outreach, founded in 2014, is the only complete agentic AI platform for revenue teams.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchMiami, FL, United StatesHQ recorded Sep 29, 2026201-5001,068 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 29, 2026 · View company records in RevenueBase
7Exact matchNew York, NY, United StatesHQ recorded Sep 29, 2026501-1,000970 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 2026501-1,000863 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 29, 2026 · View company records in RevenueBase
9Exact matchTysons, VA, United StatesHQ recorded Sep 29, 2026501-1,000825 contacts →

Exact match

“memoryBlue is the go-to partner for revenue leaders in B2B Tech looking to grow their pipeline engine.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchNew York, United StatesHQ recorded Sep 29, 2026501-1,000750 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 29, 2026 · View company records in RevenueBase
11Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 2026501-1,000622 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 29, 2026 · View company records in RevenueBase
12Exact matchDenver, CO, United StatesHQ recorded Sep 29, 2026501-1,000576 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchSterling Heights, MI, United StatesHQ recorded Sep 29, 202651-200528 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 29, 2026 · View company records in RevenueBase
14Exact matchSan Jose, CA, United StatesHQ recorded Sep 29, 2026201-500523 contacts →

Exact match

“The Pipeline Group helps B2B tech companies scale pipeline fast through our SDR-as-a-Service model.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchEncino, CA, United StatesHQ recorded Sep 29, 2026201-500499 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 29, 2026 · View company records in RevenueBase
16Exact matchSan Jose, CA, United StatesHQ recorded Sep 29, 2026201-500482 contacts →

Exact match

“InfoAnalytica is a B2B sales acceleration partner for mid-market and enterprise companies.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchSunnyvale, CA, United StatesHQ recorded Sep 29, 202651-200480 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchDenver, CO, United StatesHQ recorded Sep 29, 202651-200455 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchWest Hollywood, CA, United StatesHQ recorded Sep 29, 2026201-500368 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 29, 2026 · View company records in RevenueBase
20Exact matchDublin, CA, United StatesHQ recorded Sep 29, 20261,001-5,000357 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchPhiladelphia, United StatesHQ recorded Sep 29, 2026201-500349 contacts →

Exact match

“FunnL was built on a revolutionary idea: B2B companies don’t need more leads-they need more qualified sales meetings with decision-makers.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchAtlanta, GA, United StatesHQ recorded Sep 29, 2026201-500332 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 29, 2026 · View company records in RevenueBase
23Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202651-200318 contacts →

Exact match

“Nooks is the Agent Workspace for intelligent outbound.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchRedwood City, CA, United StatesHQ recorded Sep 29, 2026201-500297 contacts →

Exact match

“Aviso delivers Agentic AI that turns insights into autonomous actions, giving GTM teams precision, speed, and control to drive predictable growth at scale.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchMission, KS, United StatesHQ recorded Sep 29, 2026501-1,000292 contacts →

Exact match

“VinSolutions is automotive CRM software designed to help dealerships turn shopper behavior into action-and results.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 2,749 sales development platforms based in the United States

See the full list, filter by size, metro and specialty, and access 21,252 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Sales development platforms based in the United States at a glance

As of Sep 29, 2026
35.3%Verified-email coverage
21.9Average contacts per company
1-10Median size (employees)
6.8%Largest-city concentration · San Francisco
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
1,592
11-50
837
51-200
240
201-500
42
501-1,000
15
1,001-5,000
15
5,001-10,000
1
10001+
4

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 2,749 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 “sales development platforms” 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 21,252 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 29, 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.

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 “sales development platforms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many sales development platforms are there based in the United States?

RevenueBase identified 2,749 company matches for sales development platforms 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 sales development platforms?

San Francisco leads with 186 company records, followed by New York (181) and Austin (88).

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 21,252 professional contacts with verified work emails tracked across these 2,749 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 29, 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.