Company lists · Data verified August 2026

Top 25 Lead qualification services based in the United States

Name: Lead qualification services 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 1,928 companies tracked

There are 1,928 lead qualification services headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 19,302 professional contacts across them, including 2,625 with verified work emails and 3,070 with mobile numbers. New York is the largest hub.

This list covers lead qualification services 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.

1,928Companies

19,302Contacts tracked

2,625Verified emails

3,070Mobile numbers

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The 25 largest lead qualification services based in the United States

Ranked by team size

Top 25 of 1,928 lead qualification services 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	Cience	Miami, FL	201-500	1,071	12
2	S2w Media	San Francisco, CA	501-1,000	798	127
3	Callbox INC	Encino, CA	201-500	501	2
4	The Lead Market	New York	51-200	390	58
5	Beyond Codes INC	Houston, TX	201-500	385	99
6	Callrail	Atlanta, GA	201-500	330	215
7	Marketjoy, INC	Pensacola, FL	51-200	225	42
8	Dynamic BDC	Troy, MI	501-1,000	190	20
9	Boom Demand	Lehi, UT	1,001-5,000	123	7
10	Databees	San Francisco, CA	201-500	117	9
11	Pronexis	Springville, UT	51-200	91	37
12	Inside Sales Solutions	St Petersburg, FL	51-200	91	30
13	Thinkdirect Marketing Group	Largo, FL	501-1,000	83	9
14	Rocketreach	New York	51-200	79	58
15	Epcvip, INC	Calabasas, CA	51-200	75	44
16	Sales Matic	Brandon, FL	51-200	74	8
17	RAY Advertising	Redding, CA	51-200	72	6
18	Leadium	Las Vegas, NV	51-200	64	2
19	Salesar	Dover, DE	51-200	59	15
20	HBW Leads	Salem	201-500	46	2
21	VSA Prospecting	Philadelphia, PA	51-200	42	5
22	ETN America	San Diego, CA	51-200	27	6
23	Aiconex	Henderson, NV	201-500	25	1
24	Trueprospects	Dallas, TX	51-200	16	10
25	Flexisales Marketing Pvt. LTD	Las Vegas, NV	501-1,000	16	3

Showing 25 of 1,928 lead qualification services based in the United States

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Lead qualification services based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 95 HQs

3,070Contacts with mobile numbers

26Emails re-verified in last 30 days

Companies by employee count

1-10

1,039

11-50

645

51-200

184

201-500

501-1,000

1,001-5,000

Lead qualification services by metro

Metro	Companies
Lead qualification services in New York	95
Lead qualification services in Miami	56
Lead qualification services in Los Angeles	54
Lead qualification services in Sheridan	52
Lead qualification services in San Francisco	51
Lead qualification services in Austin	39
Lead qualification services in Las Vegas	36

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 “lead qualification services”, 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; 26 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 lead qualification services are there based in the United States?

There are 1,928 lead qualification services headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Cience, headquartered in Miami, tops this list with the largest team on record.

Which city has the most lead qualification services?

New York leads with 95 headquartered companies, followed by Miami (56) and Los Angeles (54).

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 2,625 verified decision-maker contacts tracked across these 1,928 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.