Company lists · Data verified August 2026

Top 25 Contact database companies based in the United States

Name: Contact 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 267 companies tracked

There are 267 contact database companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 2,427 professional contacts across them, including 505 with verified work emails and 585 with mobile numbers. New York is the largest hub.

This list covers contact 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.

267Companies

2,427Contacts tracked

505Verified emails

585Mobile numbers

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The 25 largest contact database companies based in the United States

Ranked by team size

Top 25 of 267 contact 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	Leandata	Santa Clara, CA	51-200	207	126
2	Mirabel Technologies	Fort Lauderdale, FL	51-200	115	29
3	Discoverorg	Conshohocken, PA	501-1,000	114	12
4	Rocketreach	New York	51-200	79	58
5	Lead Liaison	Dallas, TX	11-50	64	27
6	Listkit	Tampa, FL	11-50	52	24
7	Nethunt CRM	Middletown, DE	11-50	49	21
8	Sendcrux Labs	Green Cove Springs, FL	51-200	47	3
9	Dealsignal	San Francisco, CA	51-200	31	6
10	Concep	New York, NY	11-50	27	3
11	Clarify	Seattle, WA	11-50	26	10
12	Digitalwoods	Middletown, DE	11-50	22	8
13	Listgiant	Thousand Oaks, CA	51-200	17	3
14	Infodepots	New York, NY	201-500	16	4
15	Gilbert Data LLC	Las Vegas, NV	11-50	14	1
16	Rampedup Global Data Solutions	Atlanta, GA	11-50	13	7
17	B2B Lists, LLC	Claymont, DE	51-200	13	1
18	Infofree Sales Leads	Omaha, NE	11-50	12	2
19	Boss Leads	Boulder, CO	51-200	10	6
20	Mindme	Jenkintown, PA	11-50	10	4
21	Smartketingsales	Miami, FL	11-50	7	2
22	Pinnacle AI	Nashville, TN	201-500	6	2
23	X2engine	San Francisco, CA	11-50	4	3
24	Data Square	Wilton, CT	51-200	3	1
25	Chaos Software Group, INC	Richardson, TX	11-50	2	1

Showing 25 of 267 contact database companies based in the United States

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Contact database companies based in the United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

New YorkLargest hub · 15 HQs

585Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

108

11-50

103

51-200

201-500

501-1,000

1,001-5,000

10001+

Contact database companies by metro

Metro	Companies
Contact database companies in New York	15
Contact database companies in San Francisco	13
Contact database companies in Sheridan	7
Contact database companies in Dallas	6
Contact database companies in Austin	6
Contact database companies in Middletown	5
Contact database companies in Omaha	5

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 “contact 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; 0 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 contact database companies are there based in the United States?

There are 267 contact database companies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Leandata, headquartered in Santa Clara, tops this list with the largest team on record.

Which city has the most contact database companies?

New York leads with 15 headquartered companies, followed by San Francisco (13) and Sheridan (7).

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 505 verified decision-maker contacts tracked across these 267 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.