Company lists · Data verified August 2026

Top 25 B2B lead generation services based in the United States

Name: B2B lead generation 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 3,311 companies tracked

There are 3,311 B2B lead generation services headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 37,398 professional contacts across them, including 5,688 with verified work emails and 6,157 with mobile numbers. New York is the largest hub.

This list covers B2B lead generation 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.

3,311Companies

37,398Contacts tracked

5,688Verified emails

6,157Mobile numbers

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The 25 largest B2B lead generation services based in the United States

Ranked by team size

Top 25 of 3,311 B2B lead generation 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	Infuse	Boca Raton, FL	1,001-5,000	789	142
4	Anteriad	New York, NY	501-1,000	737	348
5	Telenet Marketing Solutions	Athens, GA	201-500	554	40
6	Callbox INC	Encino, CA	201-500	501	2
7	Infoanalytica, INC	San Jose, CA	201-500	477	94
8	Beyond Codes INC	Houston, TX	201-500	385	99
9	FUNNL	Philadelphia	201-500	351	1
10	Acceligize	Houston, TX	201-500	348	20
11	Unboundb2b	San Jose, CA	201-500	295	131
12	By Appointment Only, Inc. BAO	Mesa, AZ	201-500	294	94
13	Rocket Connections	Detroit, MI	1,001-5,000	248	21
14	Belkins INC	Dover, DE	201-500	207	110
15	Channelgrowth	Houston, TX	201-500	194	1
16	Dynamic BDC	Troy, MI	501-1,000	190	20
17	Boom Demand	Lehi, UT	1,001-5,000	123	7
18	Sales Partnerships, INC	Broomfield, CO	201-500	98	6
19	Thinkdirect Marketing Group	Largo, FL	501-1,000	83	9
20	Terminus By Demandscience	Atlanta, GA	201-500	80	19
21	Binary Demand	Henderson, NV	201-500	56	19
22	Informa Engage	New York, NY	1,001-5,000	55	41
23	Getcallers	New York, NY	1,001-5,000	52	3
24	Pardot	Atlanta, GA	1,001-5,000	31	20
25	Datascience IRC	New York	201-500	25	4

Showing 25 of 3,311 B2B lead generation services based in the United States

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B2B lead generation services based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 194 HQs

6,157Contacts with mobile numbers

32Emails re-verified in last 30 days

Companies by employee count

1-10

1,834

11-50

1,015

51-200

333

201-500

501-1,000

1,001-5,000

5,001-10,000

B2B lead generation services by metro

Metro	Companies
B2B lead generation services in New York	194
B2B lead generation services in Los Angeles	102
B2B lead generation services in Sheridan	98
B2B lead generation services in San Francisco	94
B2B lead generation services in Miami	93
B2B lead generation services in Austin	76
B2B lead generation services in Houston	67

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 lead generation 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; 32 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 lead generation services are there based in the United States?

There are 3,311 B2B lead generation 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 B2B lead generation services?

New York leads with 194 headquartered companies, followed by Los Angeles (102) and Sheridan (98).

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 5,688 verified decision-maker contacts tracked across these 3,311 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.