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Company lists · Data refreshed September 2026

Top 25 Signal based selling platforms based in the United States

Compiled by the RevenueBase Data Team Data refreshed Sep 3, 2026 1,189 companies tracked

RevenueBase identified 1,189 signal based selling platforms headquartered in the United States as of September 2026 and tracks 19,723 professional contacts across them, including 5,516 with verified work emails and 4,435 with mobile numbers. San Francisco is the largest hub.

This list covers signal based selling platforms 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, how directly it supports the match, and when it was last checked. Data refreshed September 3, 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 HQ checked on every row Match evidence on every row Refreshed Sep 3, 2026 86% judged on-target in blind review
1,189Companies
19,723Contacts tracked
5,516Verified emails
4,435Mobile numbers
Unlock all 1,189 companies Free signup · no credit card · 500 free credits

The 25 largest signal based selling platforms based in the United States

Ranked by team size
Top 25 of 1,189 signal based selling platforms based in the United States, ranked by team size, largest first. Data refreshed Sep 3, 2026. Evidence rates how directly each company's own description names signal based selling platforms: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#CompanyHeadquartersEmployeesContacts
1
6senseIndirect evidence
San Francisco, United StatesHQ checked Sep 3, 20261,001-5,0001,426

“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: company website · checked Sep 3, 2026
2
CienceIndirect evidence
Miami, FL, United StatesHQ checked Sep 3, 2026201-5001,071

“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: company website · checked Sep 3, 2026
3
PharosiqIndirect evidence
Philadelphia, United StatesHQ checked Sep 3, 2026501-1,000971

“pharosIQ is a B2B data intelligence company built for the next era of go-to-market.”

Source: company website · checked Sep 3, 2026
4
apollo.ioPartial evidence
San Francisco, CA, United StatesHQ checked Sep 3, 2026501-1,000843

“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: company website · checked Sep 3, 2026
5
Callbox INCIndirect evidence
Encino, CA, United StatesHQ checked Sep 3, 2026201-500501

“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: company website · checked Sep 3, 2026
6
SaleshiveIndirect evidence
Denver, CO, United StatesHQ checked Sep 3, 202651-200455
Source: company website · checked Sep 3, 2026
7
InvocaPartial evidence
West Hollywood, CA, United StatesHQ checked Sep 3, 2026201-500384

“Invoca is the revenue execution and platform leader that helps marketing, commerce, and contact center teams turn every conversation into revenue.”

Source: company website · checked Sep 3, 2026
8
CallrailPartial evidence
Atlanta, GA, United StatesHQ checked Sep 3, 2026201-500330

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

Source: company website · checked Sep 3, 2026
9
Aviso AIIndirect evidence
Redwood City, CA, United StatesHQ checked Sep 3, 2026201-500292

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

Source: company website · checked Sep 3, 2026
10
Rocket ConnectionsPartial evidence
Detroit, MI, United StatesHQ checked Sep 3, 20261,001-5,000248

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

Source: company website · checked Sep 3, 2026
11
LemlistIndirect evidence
New York, NY, United StatesHQ checked Sep 3, 202651-200220

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

Source: company website · checked Sep 3, 2026
12
ArtisanIndirect evidence
San Francisco, United StatesHQ checked Sep 3, 202651-200211

“Artisan builds AI employees.”

Source: company website · checked Sep 3, 2026
13
LeandataPartial evidence
Santa Clara, CA, United StatesHQ checked Sep 3, 202651-200207

“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: company website · checked Sep 3, 2026
14
salesintel.ioPartial evidence
Tysons, VA, United StatesHQ checked Sep 3, 2026201-500164

“SalesIntel is the all-in-one pipeline generation platform built to help GTM teams generate more revenue, faster and with less waste.”

Source: company website · checked Sep 3, 2026
15
CLOSEIndirect evidence
Austin, NY, United StatesHQ checked Sep 3, 202651-200142

“Close is the sales CRM built for founders, startups, and small businesses that want to grow faster.”

Source: company website · checked Sep 3, 2026
16
seamless.aiIndirect evidence
Columbus, OH, United StatesHQ checked Sep 3, 2026201-500130

“Seamless.ai delivers the world's best sales leads.”

Source: company website · checked Sep 3, 2026
17
selling.comStrong evidence
Newton, MA, United StatesHQ checked Sep 3, 202651-200126

“Selling.com is a pipeline generation platform that enables sales teams to execute and scale their outbound growth through accurate sales intelligence, sales outreach, and AI…”

Source: company website · checked Sep 3, 2026
18
Boom DemandIndirect evidence
Lehi, UT, United StatesHQ checked Sep 3, 20261,001-5,000123

“Boom Demand is an Lead Generation & Customer Acquisition powerhouse that will help you increase revenue and grow your customer base.”

Source: company website · checked Sep 3, 2026
19
Insideview, A Demandbase CompanyPartial evidence
San Francisco, CA, United StatesHQ checked Sep 3, 2026201-500102

“InsideView helps B2B companies drive rapid growth with the only platform that empowers business leaders to quickly and confidently make go-to-market decisions.”

Source: company website · checked Sep 3, 2026
20
Connectandsell, INCIndirect evidence
Los Gatos, CA, United StatesHQ checked Sep 3, 2026201-50093

“At ConnectAndSell, we’re revolutionizing sales acceleration with our Human + AI technology, empowering sales teams to drive more meaningful conversations and build stronger…”

Source: company website · checked Sep 3, 2026
21
SIROIndirect evidence
New York, NY, United StatesHQ checked Sep 3, 202651-20088

“Field sales powers the economy, but most teams are flying blind.”

Source: company website · checked Sep 3, 2026
22
RocketreachIndirect evidence
New York, United StatesHQ checked Sep 3, 202651-20079

“RocketReach is an intuitive and easy-to-use lead intelligence and sales intelligence solution that is powered by the largest and most accurate contact database on this planet.”

Source: company website · checked Sep 3, 2026
23
Mixmax AIIndirect evidence
San Francisco, CA, United StatesHQ checked Sep 3, 202651-20078

“Mixmax tells sellers exactly what to do next and helps them do it, so they stay focused, fast, and in control.”

Source: company website · checked Sep 3, 2026
24
KIXIEPartial evidence
Santa Monica, CA, United StatesHQ checked Sep 3, 202651-20074

“Kixie is a powerful, all-in-one calling and texting engagement platform that integrates natively with all leading CRMs, including HubSpot, Salesforce, Pipedrive, HighLevel, and…”

Source: company website · checked Sep 3, 2026
25
ocean.ioPartial evidence
San Francisco, CA, United StatesHQ checked Sep 3, 202651-20058

“B2B GTM teams use Ocean.io's prospecting data platform to find accounts and contacts no one else can.”

Source: company website · checked Sep 3, 2026

Showing 25 of 1,189 signal based selling platforms based in the United States

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Signal based selling platforms based in the United States at a glance

As of Sep 3, 2026
1-10Median size (employees)
San FranciscoLargest hub · 130 HQs
4,435Contacts with mobile numbers
Sep 3, 2026Data refreshed

Companies by employee count

1-10
668
11-50
384
51-200
103
201-500
18
501-1,000
7
1,001-5,000
8
10001+
1

Verified emails by last verification

0–30
0
31–60
575
61–90
2,996
90–180
1,869
180+
76

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 signal based selling platforms, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, 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 “signal based selling platforms”. Matching reads each company's description, not its industry code or its name.
What we exclude
Companies whose own description does not clearly place them among signal based selling platforms, 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 an evidence 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, 5,516 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 3, 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.

Signal based selling platforms by metro

  • Signal based selling platforms in San Francisco130
  • Signal based selling platforms in New York104
  • Signal based selling platforms in Austin47
  • Signal based selling platforms in Los Angeles27
  • Signal based selling platforms in Boston26
  • Signal based selling platforms in Miami26

Frequently asked

How many signal based selling platforms are there based in the United States?

RevenueBase identified 1,189 signal based selling platforms 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?

6sense, headquartered in New York, tops this list with the largest team on record.

Which city has the most signal based selling platforms?

San Francisco leads with 130 headquartered companies, followed by New York (104) and Austin (47).

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 5,516 verified decision-maker contacts tracked across these 1,189 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 3, 2026.

Ready to reach these companies? Verified emails and direct dials for all 1,189 signal based selling platforms based in the United States. Start with a free account, no credit card.

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Related lists

Browse: Companies home · All United States lists · All Signal based selling platforms lists · New lists

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.

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