Company lists · Data refreshed September 2026

Top 25 Lead qualification companies based in the United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 1,832 companies tracked

RevenueBase identified 1,832 lead qualification companies headquartered in the United States as of September 2026 and tracks 18,772 professional contacts across them, including 2,584 with verified work emails. New York is the largest hub.

This list covers lead qualification 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. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 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 21, 2026 86% judged on-target in blind review

1,832Companies

18,772Contacts tracked

2,584Verified emails

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The 25 largest lead qualification companies based in the United States

Ranked by team size

Top 25 of 1,832 lead qualification companies based in the United States, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to lead qualification companies: 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	Cience	Partial evidence	Miami, FL, United StatesHQ checked Sep 21, 2026	201-500	1,068 contacts →
	Partial evidence “CIENCE Technologies, Inc, founded in 2015 and headquartered in Denver, CO, is a pioneering global company in lead generation software and services, committed to transforming the…” Source: RevenueBase Database · checked Sep 21, 2026
2	S2w Media	Indirect evidence	New York, NY, United StatesHQ checked Sep 21, 2026	501-1,000	806 contacts →
	Indirect evidence “We are innovators, problem solvers, thought leaders, and above all else, a team.” Source: RevenueBase Database · checked Sep 21, 2026
3	Salebuild	Indirect evidence	Redwood City, CA, United StatesHQ checked Sep 21, 2026	n/a	708 contacts →
	Indirect evidence “Salesify, a leading provider of B2B demand generation services, helps our clients create pipeline and accelerate revenue by identifying, profiling, nurturing and connecting with…” Source: RevenueBase Database · checked Sep 21, 2026
4	Flexisales INC	Partial evidence	Las Vegas, NV, United StatesHQ checked Sep 21, 2026	201-500	697 contacts →
	Partial evidence “Flexisales, is a global frontrunner in B2B Lead & Demand Generation and Data Services, serving technology companies & agencies worldwide.” Source: RevenueBase Database · checked Sep 21, 2026
5	Movingdneedle Pvt. LTD	Partial evidence	Sterling Heights, MI, United StatesHQ checked Sep 21, 2026	51-200	528 contacts →
	Partial evidence “movingDneedle is a Business to Business Sales Lead Generation Company that provides fast and scalable, sales qualified leads through its unique Personalized Email Marketing…” Source: RevenueBase Database · checked Sep 21, 2026
6	Callbox INC	Partial evidence	Encino, CA, United StatesHQ checked Sep 21, 2026	201-500	499 contacts →
	Partial evidence “Callbox is the #1 trusted lead generation services and AI-Powered Growth Strategy Partner by enterprise and scaling businesses in the USA, Canada, Asia Pacific, Latin America…” Source: RevenueBase Database · checked Sep 21, 2026
7	Saleshive	Indirect evidence	Denver, CO, United StatesHQ checked Sep 21, 2026	51-200	455 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026
8	Beyond Codes INC	Partial evidence	Simi Valley, CA, United StatesHQ checked Sep 21, 2026	201-500	380 contacts →
	Partial evidence “Beyond Codes is a global B2B lead generation and appointment-setting agency trusted by some of the world's leading technology companies to build enterprise sales pipeline.” Source: RevenueBase Database · checked Sep 21, 2026
9	Callrail	Partial evidence	Atlanta, GA, United StatesHQ checked Sep 21, 2026	201-500	332 contacts →
	Partial evidence “CallRail is the lead engagement platform that makes it easy for businesses to attract more leads, convert more customers, and optimize their marketing.” Source: RevenueBase Database · checked Sep 21, 2026
10	Calltend INC	Strong evidence	Los Angeles, TX, United StatesHQ checked Sep 21, 2026	51-200	289 contacts →
	Strong evidence “Current Vertical Focus: Real Estate - Lead Generation, Lead Conversion, Lead Qualification, Agent Recruiting Mortgage - Lead Conversion, Lead Qualification Insurance - Lead…” Source: RevenueBase Database · checked Sep 21, 2026
11	Rocket Connections	Indirect evidence	Detroit, MI, United StatesHQ checked Sep 21, 2026	1,001-5,000	247 contacts →
	Indirect evidence “Rocket Connections is a sales and support platform specializing in contact center services.” Source: RevenueBase Database · checked Sep 21, 2026
12	Concept Services	Partial evidence	Copley, OH, United StatesHQ checked Sep 21, 2026	51-200	185 contacts →
	Partial evidence “Concept develops and implements comprehensive B2B lead generation and sales development solutions for companies.” Source: RevenueBase Database · checked Sep 21, 2026
13	Boom Demand	Partial evidence	Lehi, UT, United StatesHQ checked Sep 21, 2026	1,001-5,000	124 contacts →
	Partial evidence “Boom Demand is an Lead Generation & Customer Acquisition powerhouse that will help you increase revenue and grow your customer base.” Source: RevenueBase Database · checked Sep 21, 2026
14	First Connect Digital	Indirect evidence	Newark, NJ, United StatesHQ checked Sep 21, 2026	51-200	123 contacts →
	Indirect evidence “First Connect Digital (FCD) is a collective of seasoned marketing and business professionals with decades of leadership experience with leading global media companies and brands.” Source: RevenueBase Database · checked Sep 21, 2026
15	Databees	Partial evidence	San Francisco, CA, United StatesHQ checked Sep 21, 2026	201-500	114 contacts →
	Partial evidence “DataBees empowers sales and marketing teams all around the world by providing high quality, verified lead data.” Source: RevenueBase Database · checked Sep 21, 2026
16	Launch Leads	Partial evidence	Salt Lake City, UT, United StatesHQ checked Sep 21, 2026	51-200	112 contacts →
	Partial evidence “Why Launch Leads?” Source: RevenueBase Database · checked Sep 21, 2026
17	Green Leads, LLC	Partial evidence	San Francisco, CA, United StatesHQ checked Sep 21, 2026	51-200	100 contacts →
	Partial evidence “Green Leads provides Pipeline Generation services to the Tech & SaaS industry, globally.” Source: RevenueBase Database · checked Sep 21, 2026
18	North State Consulting LLC	Indirect evidence	Wilson, NC, United StatesHQ checked Sep 21, 2026	11-50	98 contacts →
	Indirect evidence “North State Consulting is more than a business.” Source: RevenueBase Database · checked Sep 21, 2026
19	Pipeful	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 21, 2026	51-200	98 contacts →
	Indirect evidence “Start closing deals with the help of our SDRs and extensive business data.” Source: RevenueBase Database · checked Sep 21, 2026
20	3tec Solutions	Indirect evidence	Los Angeles, CA, United StatesHQ checked Sep 21, 2026	51-200	92 contacts →
	Indirect evidence “At 3Tec Solutions, we are always by our client's side while they go from strength to strength in achieving their goals.” Source: RevenueBase Database · checked Sep 21, 2026
21	Thinkdirect Marketing Group	Partial evidence	Largo, FL, United StatesHQ checked Sep 21, 2026	501-1,000	84 contacts →
	Partial evidence “ThinkDirect Marketing Group, Inc.(TDMG) is a Clearwater, Florida-based privately held company focused on cost-effective lead and sales generation for a wide-range of industries.” Source: RevenueBase Database · checked Sep 21, 2026
22	Quality Consistent Leads	Indirect evidence	Crown Point, IN, United StatesHQ checked Sep 21, 2026	11-50	82 contacts →
	Indirect evidence “We Help Consultants & Coaches Easily Get in Front of Corporate Executives & Business Owners!” Source: RevenueBase Database · checked Sep 21, 2026
23	Rocketreach	Partial evidence	Brooklyn, United StatesHQ checked Sep 21, 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 21, 2026
24	READY	Partial evidence	Santa Clara, CA, United StatesHQ checked Sep 21, 2026	11-50	79 contacts →
	Partial evidence “Ready leads is the go-to destination for B2B revenue and growth professionals to get actionable leads for sales & marketing campaigns: find where your past customers went to…” Source: RevenueBase Database · checked Sep 21, 2026
25	RAY Advertising	Partial evidence	Redding, CA, United StatesHQ checked Sep 21, 2026	51-200	77 contacts →
	Partial evidence “Ray Advertising is a performance-driven lead-generation firm delivering high-intent inbound calls and leads through advanced media buying and data-driven customer acquisition.” Source: RevenueBase Database · checked Sep 21, 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: lead qualification companies. 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 lead qualification companies.
Partial evidence: Its own public description names part of lead qualification companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name lead qualification companies. 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 1,832 lead qualification companies based in the United States

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Lead qualification companies based in the United States at a glance

As of Sep 21, 2026

13.8%Verified-email coverage

10.2Average contacts per company

1-10Median size (employees)

5.2%Largest-city concentration · New York

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

961

11-50

625

51-200

186

201-500

501-1,000

1,001-5,000

10001+

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,832 companies.

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 lead qualification companies, 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 “lead qualification companies”. 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 lead qualification companies), 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 lead qualification companies, 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, 2,584 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 21, 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.

Lead qualification companies by metro

Lead qualification companies in New York95
Lead qualification companies in Los Angeles55
Lead qualification companies in San Francisco54
Lead qualification companies in Sheridan53
Lead qualification companies in Miami50
Lead qualification companies in Austin41
Lead qualification companies in Las Vegas41
Lead qualification companies in San Diego34
Lead qualification companies in Wilmington27
Lead qualification companies in Chicago25
Lead qualification companies in Dallas25
Lead qualification companies in Houston25

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 lead qualification companies, 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 lead qualification companies are there based in the United States?

RevenueBase identified 1,832 lead qualification companies 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?

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

Which city has the most lead qualification companies?

New York leads with 95 headquartered companies, followed by Los Angeles (55) and San Francisco (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 2,584 verified decision-maker contacts tracked across these 1,832 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 21, 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.