Company lists · Data verified August 2026

Top 25 B2B database companies based in the United States

Name: B2B database companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 643 companies tracked

There are 643 B2B database companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 7,834 professional contacts across them, including 1,101 with verified work emails and 1,270 with mobile numbers. New York is the largest hub.

This list covers B2B database companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

643Companies

7,834Contacts tracked

1,101Verified emails

1,270Mobile numbers

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The 25 largest B2B database companies based in the United States

Ranked by team size

Top 25 of 643 B2B database companies based in the United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Leadgenius	Berkeley, CA	201-500	424	40
2	LUSHA	Boston, MA	201-500	367	174
3	Channelgrowth	Houston, TX	201-500	194	1
4	Discoverorg	Conshohocken, PA	501-1,000	114	12
5	Right Pace Techmedia, LLC	Sheridan, WY	51-200	97	2
6	Rocketreach	New York	51-200	79	58
7	Explorium	Lehi, UT	51-200	72	37
8	MNI	Evanston, IL	201-500	62	28
9	Meritb2b	Evanston, IL	201-500	50	19
10	WIZA	Newark, DE	51-200	47	6
11	Rainking Solutions	Bethesda, MD	201-500	46	2
12	Usadata	New York, NY	51-200	43	24
13	Salesgenie	Dallas, TX	1,001-5,000	36	7
14	Datasys	Boca Raton, FL	51-200	35	29
15	Kkmb2b	Highland Park, IL	51-200	32	4
16	Esalesdata	Plano, TX	51-200	32	1
17	Dealsignal	San Francisco, CA	51-200	31	6
18	List Partners LLC	Atlanta, GA	51-200	29	3
19	Everstring	San Mateo, CA	51-200	29	1
20	Frescodata	Carlsbad, CA	51-200	17	4
21	Natimark, INC	Phoenix, AZ	51-200	17	3
22	Listgiant	Thousand Oaks, CA	51-200	17	3
23	Trueprospects	Dallas, TX	51-200	16	10
24	Infodepots	New York, NY	201-500	16	4
25	Netscout	Dallas, TX	1,001-5,000	16	3

Showing 25 of 643 B2B database companies based in the United States

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B2B database companies based in the United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

New YorkLargest hub · 59 HQs

1,270Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

165

11-50

273

51-200

148

201-500

501-1,000

1,001-5,000

10001+

B2B database companies by metro

Metro	Companies
B2B database companies in New York	59
B2B database companies in Wilmington	24
B2B database companies in San Francisco	19
B2B database companies in Plano	19
B2B database companies in Los Angeles	18
B2B database companies in Sheridan	13
B2B database companies in Dallas	12

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “B2B database companies”, with match quality audited by blind human judging, and headquartered in the United States.
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: Contact records re-verify on a rolling cadence; 2 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many B2B database companies are there based in the United States?

There are 643 B2B database companies headquartered in the United States as of August 2026 (RevenueBase).

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 B2B database companies?

New York leads with 59 headquartered companies, followed by Wilmington (24) and San Francisco (19).

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 1,101 verified decision-maker contacts tracked across these 643 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.