Company lists · Data refreshed November 2026

Top 22 Lead generation databases based in San Francisco, United States

RevenueBase identified 73 company matches for lead generation databases associated with San Francisco, United States as of November 2026 and tracks 2,695 professional contacts across them, including 635 with verified work emails. Across the United States, New York is the largest hub for this category (108 companies); San Francisco follows with 73.

This list covers company matches for lead generation databases associated with San Francisco, 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 November 5, 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 Nov 5, 2026 How this list was built
73Companies
2,695Contacts tracked
635Verified emails
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The 22 largest lead generation databases based in San Francisco, United States

Ranked by team size
Top 22 of 73 company matches for lead generation databases based in San Francisco, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 matchSan Francisco, CA, United StatesHQ recorded Nov 5, 2026501-1,0001,156 contacts →

Exact match

“Apollo is the AI GTM System that uniquely combines data, intelligence, and execution in one loop, helping every business find and win their next customer.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchSan Francisco, CA, United StatesHQ recorded Nov 5, 20261,001-5,000558 contacts →

Exact match

“At Salesify, we help you close deals faster.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchSan Francisco, CA, United StatesHQ recorded Nov 5, 2026201-500114 contacts →

Exact match

“DataBees empowers sales and marketing teams all around the world by providing high quality, verified lead data.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchSan Francisco, CA, United StatesHQ recorded Nov 5, 202651-200100 contacts →

Exact match

“Green Leads provides Pipeline Generation services to the Tech & SaaS industry, globally.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchSan Francisco, United StatesHQ recorded Nov 5, 202651-20096 contacts →

Exact match

“At ContactOut, we pride ourselves on being the most accurate contact data intelligence tool out there.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchSan Francisco, CA, United StatesHQ recorded Nov 5, 202651-20063 contacts →

Exact match

“KAT-i Research we are a Data as a Service Company, custom B2B list research company.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchSan Francisco, CA, United StatesHQ recorded Nov 5, 202651-20062 contacts →

Exact match

“Ocean is what your team checks before the guess becomes a pipeline decision.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchSan Francisco, CA, United StatesHQ recorded Nov 5, 202611-5039 contacts →

Exact match

“Resquared is a local business prospecting platform that streamlines the prospecting process with data on every local business built into a powerful marketing automation platform.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchSan Francisco, CA, United StatesHQ recorded Nov 5, 202651-20038 contacts →

Exact match

“Convex is on a mission to serve as the most important partner to commercial services businesses.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchSan Francisco, United StatesHQ recorded Nov 5, 202611-5037 contacts →

Exact match

“AI Ark is a B2B data platform built for sales teams and GTM agencies that need accurate, ready-to-use contact data - not stale CSV exports.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchSan Francisco, CA, United StatesHQ recorded Nov 5, 202611-5031 contacts →

Exact match

“Identify, qualify, and enrich pipeline at scale.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchSan Francisco, United StatesHQ recorded Nov 5, 202611-5030 contacts →

Exact match

“AeroLeads provides B2B contact data with business emails, phone numbers, people data, and company data.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchSan Francisco, CA, United StatesHQ recorded Nov 5, 202651-20027 contacts →

Exact match

“DealSignal provides fresh, accurate, verified B2B data that helps sales & marketing teams maximize their efficiency, performance and results.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchSan Francisco, CA, United StatesHQ recorded Nov 5, 202611-5023 contacts →

Exact match

“Grow your business & land your perfect customers by prompting in Origami.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchSan Francisco, CA, United StatesHQ recorded Nov 5, 202611-508 contacts →

Exact match

“At Mattermark, we’re accelerating sales and deal making through data and automation.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchSan Francisco, CA, United StatesHQ recorded Nov 5, 202611-506 contacts →

Exact match

“MAKING CONNECTIONS DELIVERING RESULTS We streamline your prospecting and lead generation, freeing up your time to focus on business growth.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchSan Francisco, CA, United StatesHQ recorded Nov 5, 20261-104 contacts →

Exact match

“Contora is a B2B data studio, primary product is Muraena.ai - a Sales Intelligence platform designed to streamline the lead generation process for small sales teams.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchSan Francisco, United StatesHQ recorded Nov 5, 20261-103 contacts →

Exact match

“Waterfall™ aggregates 30+ different data vendors so that you can maximize contact, email and mobile number coverage without signing multiple data vendors or long-term contracts.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchSan Francisco, CA, United StatesHQ recorded Nov 5, 20261-103 contacts →

Exact match

“Proffiliates is a leading provider of international email list management and lead generation services.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchSan Francisco, CA, United StatesHQ recorded Nov 5, 20261-102 contacts →

Exact match

“Digital Branding is a lead generation company based in the San Francisco Bay area.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchSan Francisco, United StatesHQ recorded Nov 5, 20261-101 contacts →

Exact match

“White label lead generation software.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchSan Francisco, CA, United StatesHQ recorded Nov 5, 20261-101 contacts →

Exact match

“We're the ONLY Lead company that sells Exclusive Leads and Transfers”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 22 of 73 lead generation databases based in San Francisco, United States

See the full list, filter by size, metro and specialty, and access 635 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Lead generation databases based in San Francisco, United States at a glance

As of Nov 5, 2026
23.6%Verified-email coverage
36.9Average contacts per company
11-50Median size (employees)
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
32
11-50
23
51-200
15
201-500
1
501-1,000
1
1,001-5,000
1

Email recency for this list is measured across the whole United States list rather than for San Francisco, so it is reported there. Company counts and contact totals on this page are exact for San Francisco, over 73 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 San Francisco, United States whose business descriptions match “lead generation databases” 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 635 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 November 5, 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 “lead generation databases”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many lead generation databases are there based in San Francisco, United States?

RevenueBase identified 73 company matches for lead generation databases associated with San Francisco, United States as of November 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?

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

Which city in the United States has the most lead generation databases?

New York leads the United States with 108 company records, followed by San Francisco (73) and Los Angeles (43).

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 635 professional contacts with verified work emails tracked across these 73 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 November 5, 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.