Company lists · Data refreshed September 2026

Top 25 C suite contact data providers based in the United States

Name: C suite contact data providers based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 9, 2026 99 companies tracked

RevenueBase identified 99 c suite contact data providers headquartered in the United States as of September 2026 and tracks 1,641 professional contacts across them, including 383 with verified work emails and 211 with mobile numbers. New York is the largest hub.

This list covers c suite contact data providers 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 9, 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 9, 2026 86% judged on-target in blind review

99Companies

1,641Contacts tracked

383Verified emails

211Mobile numbers

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The 25 largest c suite contact data providers based in the United States

Ranked by team size

Top 25 of 99 c suite contact data providers based in the United States, ranked by team size, largest first. Data refreshed Sep 9, 2026. RevenueBase Smart Search rates how each company's information relates to c suite contact data providers: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Leadgenius	Indirect evidence	Berkeley, CA, United StatesHQ checked Sep 9, 2026	201-500	416 contacts →
	Indirect evidence “LeadGenius helps B2B companies find and reach their next best customers.” Source: RevenueBase Database · checked Sep 9, 2026
2	LUSHA	Strong evidence	Boston, MA, United StatesHQ checked Sep 9, 2026	201-500	359 contacts →
	Strong evidence “Lusha is the B2B data and sales intelligence system used by sales, marketing, recruiting, RevOps teams, and AI agents to find contacts, enrich records, and track real-world buying…” Source: RevenueBase Database · checked Sep 9, 2026
	RevenueBasePublisher of this directory	Not rated	Boston, MA, United States	n/a	Try free
	Not rated “RevenueBase is a B2B contact data platform. This directory is built from its company graph.”
3	Discoverorg	Strong evidence	Vancouver, WA, United StatesHQ checked Sep 9, 2026	501-1,000	114 contacts →
	Strong evidence “DiscoverOrg helps go-to-market teams accelerate growth with the most accurate company and contact data on the market, and a suite of tools to ensure continued growth and success.” Source: RevenueBase Database · checked Sep 9, 2026
4	Rocketreach	Partial evidence	Brooklyn, United StatesHQ checked Sep 9, 2026	51-200	80 contacts →
	Partial evidence “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: RevenueBase Database · checked Sep 9, 2026
5	Connectist	Strong evidence	Redwood City, CA, United StatesHQ checked Sep 9, 2026	11-50	46 contacts →
	Strong evidence “At Connectist, we specialize in providing high-quality contact data for decision-makers in companies worldwide.” Source: RevenueBase Database · checked Sep 9, 2026
6	Prospect Wallet	Indirect evidence	Dover, DE, United StatesHQ checked Sep 9, 2026	51-200	46 contacts →
	Indirect evidence “Prospect Wallet helps B2B sales and marketing teams reach real decision-makers, not just names on a list.” Source: RevenueBase Database · checked Sep 9, 2026
7	AI ARK	Strong evidence	San Francisco, United StatesHQ checked Sep 9, 2026	11-50	32 contacts →
	Strong evidence “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.” Source: RevenueBase Database · checked Sep 9, 2026
8	Uplead	Partial evidence	Covina, CA, United StatesHQ checked Sep 9, 2026	51-200	27 contacts →
	Partial evidence “UpLead is a B2B data provider with real-time verified emails, mobile numbers and intent data.” Source: RevenueBase Database · checked Sep 9, 2026
9	Aeroleads	Partial evidence	San Francisco, United StatesHQ checked Sep 9, 2026	11-50	24 contacts →
	Partial evidence “Find business emails, personal emails, and phone numbers of anyone with AeroLeads https://aeroleads.com AeroLeads has one of the largest databases of b2b data on the Internet of…” Source: RevenueBase Database · checked Sep 9, 2026
10	Brightquery	Indirect evidence	Irvine, CA, United StatesHQ checked Sep 9, 2026	11-50	18 contacts →
	Indirect evidence “BrightQuery’s mission is to provide the most trusted, accurate and up to-date information about companies and their employees.” Source: RevenueBase Database · checked Sep 9, 2026
11	Revenuebase	Partial evidence	Boston, MA, United StatesHQ checked Sep 9, 2026	11-50	14 contacts →
	Partial evidence “RevenueBase provides the continuously refreshed, verified B2B data that AI agents need to operate reliably-with pricing that doesn’t punish high-volume usage.” Source: RevenueBase Database · checked Sep 9, 2026
12	B2B Lists, LLC	Partial evidence	Claymont, DE, United StatesHQ checked Sep 9, 2026	51-200	14 contacts →
	Partial evidence “At B2B Lists LLC, we believe that data is the cornerstone of business success.” Source: RevenueBase Database · checked Sep 9, 2026
13	Gilbert Data LLC	Partial evidence	Las Vegas, NV, United StatesHQ checked Sep 9, 2026	11-50	14 contacts →
	Partial evidence “Gilbert Data is one of the peerless and believed services provider in appending services and other services as well i.e.” Source: RevenueBase Database · checked Sep 9, 2026
14	Rampedup Global Data Solutions	Strong evidence	Atlanta, GA, United StatesHQ checked Sep 9, 2026	11-50	13 contacts →
	Strong evidence “RampedUp is a trusted contact data solution for global marketers.” Source: RevenueBase Database · checked Sep 9, 2026
15	Amacai	Strong evidence	Orem, UT, United StatesHQ checked Sep 9, 2026	51-200	11 contacts →
	Strong evidence “Amacai provides consumer and business data to companies whose core business is built upon complete and accurate contact information.” Source: RevenueBase Database · checked Sep 9, 2026
16	Accurate Append	Partial evidence	Bellevue, WA, United StatesHQ checked Sep 9, 2026	1-10	10 contacts →
	Partial evidence “At Accurate Append – we live and breathe data.” Source: RevenueBase Database · checked Sep 9, 2026
17	Sendburg	Partial evidence	Hillside, NJ, United StatesHQ checked Sep 9, 2026	11-50	10 contacts →
	Partial evidence “At Sendburg, we empower businesses to grow by providing comprehensive, high-quality B2B contact databases tailored to your specific needs.” Source: RevenueBase Database · checked Sep 9, 2026
18	Ignite Data LLC	Strong evidence	New York, NY, United StatesHQ checked Sep 9, 2026	11-50	10 contacts →
	Strong evidence “As a data-driven marketing solution provider, we aim to provide businesses accurate contact records of their best prospects.” Source: RevenueBase Database · checked Sep 9, 2026
19	Leadmagic	Partial evidence	Boston, MA, United StatesHQ checked Sep 9, 2026	11-50	8 contacts →
	Partial evidence “Most B2B data is a liability dressed up as an asset.” Source: RevenueBase Database · checked Sep 9, 2026
20	swordfish.ai	Strong evidence	DE, United StatesHQ checked Sep 9, 2026	11-50	6 contacts →
	Strong evidence “Get direct access to prospects and candidates with unique cell phone and premium business email contact data, available only at Swordfish.AI Fuel your pipeline and find leads in…” Source: RevenueBase Database · checked Sep 9, 2026
21	Z Precise LLC	Partial evidence	Atlanta, GA, United StatesHQ checked Sep 9, 2026	11-50	6 contacts →
	Partial evidence “Z Precise LLC is the Largest Pool of Database which provides B2B contacts from around the globe.” Source: RevenueBase Database · checked Sep 9, 2026
22	Infinizy INC	Indirect evidence	Wilmington, DE, United StatesHQ checked Sep 9, 2026	11-50	5 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 9, 2026
23	Infomsp	Indirect evidence	Richardson, TX, United StatesHQ checked Sep 9, 2026	11-50	4 contacts →
	Indirect evidence “InfoMSP is a MSP Directory with over MSP's and MSSP's.” Source: RevenueBase Database · checked Sep 9, 2026
24	Accountsend	Partial evidence	Weston, FL, United StatesHQ checked Sep 9, 2026	1-10	4 contacts →
	Partial evidence “Data company providing MILLIONS of B2B and B2C Data records.” Source: RevenueBase Database · checked Sep 9, 2026
25	Contacts411	Indirect evidence	Greens Farms, CT, United StatesHQ checked Sep 9, 2026	1-10	3 contacts →
	Indirect evidence “We believe small businesses are vital to the prosperity of our communities, and they deserve a level playing field to compete on.” Source: RevenueBase Database · checked Sep 9, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: c suite contact data providers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names c suite contact data providers.
Partial evidence: Its own public description names part of c suite contact data providers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name c suite contact data providers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 99 c suite contact data providers based in the United States

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C suite contact data providers based in the United States at a glance

As of Sep 9, 2026

23.3%Verified-email coverage

12.9%Mobile-number coverage

16.6Average contacts per company

11-50Median size (employees)

15.2%Largest-city concentration · New York

Sep 9, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 12.0d

3510–30

2631–60

061–90

190–180

5180+

Company record updated

Median 72.0d

00–30

71131–60

72161–90

13690–180

73180+

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 c suite contact data providers, 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 “c suite contact data providers”. 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 c suite contact data providers), 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 c suite contact data providers, 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, 383 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 9, 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 c suite contact data providers, 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 c suite contact data providers are there based in the United States?

RevenueBase identified 99 c suite contact data providers 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?

Leadgenius, headquartered in Berkeley, tops this list with the largest team on record.

Which city has the most c suite contact data providers?

New York leads with 15 headquartered companies, followed by Plano (6) and San Francisco (5).

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 383 verified decision-maker contacts tracked across these 99 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 9, 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.