Company lists · Data refreshed November 2026

Top 25 Contact data enrichment services based in the United States

RevenueBase identified 181 company matches for contact data enrichment services associated with the United States as of November 2026 and tracks 3,047 professional contacts across them, including 776 with verified work emails. New York is the largest hub.

This list covers company matches for contact data enrichment services associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
181Companies
3,047Contacts tracked
776Verified emails
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The 25 largest contact data enrichment services based in the United States

Ranked by team size
Top 25 of 181 company matches for contact data enrichment services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBerkeley, CA, United StatesHQ recorded Nov 6, 2026201-500445 contacts →

Exact match

“LeadGenius helps B2B companies find and reach their next best customers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchBoston, MA, United StatesHQ recorded Nov 6, 2026201-500348 contacts →

Exact match

“Lusha is the B2B data and sales intelligence system used by sales, marketing, recruiting, RevOps teams, and AI agents to find contacts, enrich records, and track real-world buying…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchPittsburgh, PA, United StatesHQ recorded Nov 6, 202651-200144 contacts →

Exact match

“eCore provides a validation-first data quality layer for GTM teams, cleaning, validating, enriching and monitoring contact and account CRM data so sales, marketing, RevOps and AI…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchOrem, UT, United StatesHQ recorded Nov 6, 202651-200139 contacts →

Exact match

“Smarty’s the expert in address data intelligence-so you don’t have to be.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchVancouver, WA, United StatesHQ recorded Nov 6, 2026501-1,000110 contacts →

Exact match

“DiscoverOrg helps go-to-market teams accelerate growth with the most accurate company and contact data on the market, and a suite of tools to ensure continued growth and success.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSan Francisco, United StatesHQ recorded Nov 6, 202651-20096 contacts →

Exact match

“At ContactOut, we pride ourselves on being the most accurate contact data intelligence tool out there.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBrooklyn, United StatesHQ recorded Nov 6, 202651-20086 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202611-5063 contacts →

Exact match

“Not "yet another email & phone finder".”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchRedwood City, CA, United StatesHQ recorded Nov 6, 202611-5053 contacts →

Exact match

“At Connectist, we specialize in providing high-quality contact data for decision-makers in companies worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202651-20048 contacts →

Exact match

“Woo is the Data Enrichment Engine for staffing and recruitment agencies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBellevue, WA, United StatesHQ recorded Nov 6, 202611-5042 contacts →

Exact match

“Trestle is a Bellevue, Washington–based technology company specializing in enterprise-grade identity data APIs for validation, verification, and enrichment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchTampa, FL, United StatesHQ recorded Nov 6, 202611-5042 contacts →

Exact match

“ListKit is a leading B2B Data Provider that helps businesses build hyper-targeted contact lists without the need for manual verification.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchNewark, DE, United StatesHQ recorded Nov 6, 202611-5041 contacts →

Exact match

“Wiza makes prospecting magical.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSan Francisco, United StatesHQ recorded Nov 6, 202611-5037 contacts →

Exact match

“AI Ark is a B2B data platform built for sales teams and GTM agencies that need accurate, ready-to-use contact data - not stale CSV exports.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBoca Raton, FL, United StatesHQ recorded Nov 6, 202611-5033 contacts →

Exact match

“Rob Clouse, Founder of IMarketing Consultants and Lead Me Media started his career in digital marketing with eDirect in IMarketing Consultants which was sold to Come & Stay in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202611-5031 contacts →

Exact match

“Identify, qualify, and enrich pipeline at scale.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSan Francisco, United StatesHQ recorded Nov 6, 202611-5030 contacts →

Exact match

“AeroLeads provides B2B contact data with business emails, phone numbers, people data, and company data.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202651-20027 contacts →

Exact match

“DealSignal provides fresh, accurate, verified B2B data that helps sales & marketing teams maximize their efficiency, performance and results.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSanta Barbara, CA, United StatesHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“Businesses look to Service Objects when they want to be sure every contact record in every database is as genuine, accurate, and up-to-date as it possibly can be.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“Grow your business & land your perfect customers by prompting in Origami.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchWeston, FL, United StatesHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“ProspectCloud is a leading provider of vetted business data, engaged with over national brands ranging from Fortune 500 to Small and Mid-Market businesses.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“Z Precise enables business professionals to connect with their leads quickly and authentically, allowing them to expand their business 10x.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchBoston, MA, United StatesHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“RevenueBase provides the continuously refreshed, verified B2B data that AI agents need to operate reliably-with pricing that doesn’t punish high-volume usage.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“RampedUp is a trusted contact data solution for global marketers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchClaymont, DE, United StatesHQ recorded Nov 6, 202651-20016 contacts →

Exact match

“At B2B Lists LLC, we believe that data is the cornerstone of business success.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 181 contact data enrichment services based in the United States

See the full list, filter by size, metro and specialty, and access 776 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Contact data enrichment services based in the United States at a glance

As of Nov 6, 2026
25.5%Verified-email coverage
16.8Average contacts per company
11-50Median size (employees)
12.7%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
55
11-50
76
51-200
36
201-500
9
501-1,000
5

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 181 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United States whose business descriptions match “contact data enrichment services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 776 professional contacts with verified work emails across the full matched dataset. 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 November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “contact data enrichment services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many contact data enrichment services are there based in the United States?

RevenueBase identified 181 company matches for contact data enrichment services associated with the United States as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Leadgenius tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most contact data enrichment services?

New York leads with 23 company records, followed by San Francisco (12) and Los Angeles (7).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 776 professional contacts with verified work emails tracked across these 181 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 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 SmartSearch, 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.