Company lists · Data refreshed September 2026

Top 25 HR information systems integrators based in the United States

RevenueBase identified 2,301 company matches for HR information systems integrators associated with the United States as of September 2026 and tracks 213,426 professional contacts across them, including 81,204 with verified work emails. New York is the largest hub.

This list covers company matches for HR information systems integrators 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 September 28, 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 Sep 28, 2026 How this list was built
2,301Companies
213,426Contacts tracked
81,204Verified emails
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The 25 largest HR information systems integrators based in the United States

Ranked by team size
Top 25 of 2,301 company matches for HR information systems integrators based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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 matchRoseland, NJ, United StatesHQ recorded Sep 28, 202610001+84,166 contacts →

Exact match

“Designing better ways to work through cutting-edge products, premium services and exceptional experiences that enable people to reach their full potential.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchPleasanton, CA, United StatesHQ recorded Sep 28, 202610001+20,846 contacts →

Exact match

“By unifying HR and Finance on an open, trusted platform powered by AI, Workday delivers high-impact outcomes our customers can count on.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchRochester, NY, United StatesHQ recorded Sep 28, 202610001+17,911 contacts →

Exact match

“As the future of work continues to evolve, Paychex leads the way by making complex HR, payroll, and benefits brilliantly simple.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchOklahoma City, OK, United StatesHQ recorded Sep 28, 20265,001-10,0007,002 contacts →

Exact match

“Paycom (NYSE:PAYC) automates the entire employee life cycle in a truly single HR and payroll software.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchMinneapolis, MN, United StatesHQ recorded Sep 28, 20265,001-10,0005,902 contacts →

Exact match

“Dayforce is as a global leader in HCM technology focused on improving work for thousands of customers and millions of employees around the world.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchKingwood, TX, United StatesHQ recorded Sep 28, 20261,001-5,0004,761 contacts →

Exact match

“Since 1986, Insperity’s mission has been to help businesses succeed so communities prosper.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchCincinnati, OH, United StatesHQ recorded Sep 28, 20261,001-5,0002,615 contacts →

Exact match

“Paycor’s HR, payroll, and talent platform connects leaders to people, data, and expertise.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchLowell, MA, United StatesHQ recorded Sep 28, 20265,001-10,0001,889 contacts →

Exact match

“Built from the merger of Ultimate Software & Kronos Inc, we are now UKG.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchCharlotte, NC, United StatesHQ recorded Sep 28, 20261,001-5,0001,657 contacts →

Exact match

“isolved® isolved is a Workforce Capital Management company, the next evolution of HCM, where human workers and AI agents are governed together on a single system of record, with…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchLittleton, CO, United StatesHQ recorded Sep 28, 2026n/a1,376 contacts →

Exact match

“Employee Based Systems (EBS) is a innovative HRMS software development, implementation training, support, and services company specializing in helping companies improve…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchSeattle, WA, United StatesHQ recorded Sep 28, 2026501-1,0001,182 contacts →

Exact match

“Keka is a leading unified HR and payroll platform that helps organizations run people operations with consistency, compliance, and operational clarity.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchWeston, FL, United StatesHQ recorded Sep 28, 20265,001-10,0001,084 contacts →

Exact match

“Built from the merger of Ultimate Software & Kronos Inc, we are now UKG.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchSan Jose, CA, United StatesHQ recorded Sep 28, 2026501-1,000990 contacts →

Exact match

“IntelliPro Group Inc.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchWall, NJ, United StatesHQ recorded Sep 28, 20261,001-5,000825 contacts →

Exact match

“Kinly is a global leader in workplace technology, systems integration, managed services, and enterprise collaboration.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchChicago, IL, United StatesHQ recorded Sep 28, 2026501-1,000756 contacts →

Exact match

“Everforth TopBloc leverages proprietary automation to deploy Workday’s Human Capital Management, Payroll, and Financials business services quickly and efficiently, reducing…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchBradenton, FL, United StatesHQ recorded Sep 28, 2026201-500586 contacts →

Exact match

“CoAdvantage is now CoAd.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchElkhart, IN, United StatesHQ recorded Sep 28, 2026201-500583 contacts →

Exact match

“As a leading HCM technology and services provider, Vibe HCM Inc.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchRichfield, OH, United StatesHQ recorded Sep 28, 2026501-1,000535 contacts →

Exact match

“We provide comprehensive HR solutions to companies of all sizes throughout the United States.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchRichmond, TX, United StatesHQ recorded Sep 28, 20261,001-5,000472 contacts →

Exact match

“Kastech Software Solutions Group, incorporated in 2007 and headquartered in Richmond, Texas, is a leading global IT services and consulting company delivering technology-driven…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchSan Diego, CA, United StatesHQ recorded Sep 28, 2026201-500455 contacts →

Exact match

“Our Mission: TIG will earn its place as a trusted partner to our clients, providing only the highest level of service, value and advanced technology to power their strategic…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchNew York, NY, United StatesHQ recorded Sep 28, 20261,001-5,000448 contacts →

Exact match

“Pride Global is a minority-owned integrated human capital solutions & advisory firm headquartered in New York with operating companies throughout the United States, United…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchShelby Twp., MI, United StatesHQ recorded Sep 28, 2026501-1,000447 contacts →

Exact match

“Fori Automation, LLC is a global leader in the design, build, and integration of custom material handling, assembly, testing, and welding systems.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchChandler, AZ, United StatesHQ recorded Sep 28, 2026201-500436 contacts →

Exact match

“PrismHR creates exceptional software and services, empowering human resource outsourcing service providers such as Professional Employer Organizations (PEOs) and HR outsourcers to…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchLorton, VA, United StatesHQ recorded Sep 28, 2026201-500355 contacts →

Exact match

“NJVC® provides customers with innovative solutions to critical mission, business and technology challenges.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchFairfax, VA, United StatesHQ recorded Sep 28, 2026501-1,000344 contacts →

Exact match

“Integrity is at the core of everything we do at ITC Federal.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 2,301 HR information systems integrators based in the United States

See the full list, filter by size, metro and specialty, and access 81,204 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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HR information systems integrators based in the United States at a glance

As of Sep 28, 2026
38.0%Verified-email coverage
92.8Average contacts per company
11-50Median size (employees)
2.9%Largest-city concentration · New York
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
1,110
11-50
707
51-200
326
201-500
78
501-1,000
35
1,001-5,000
25
5,001-10,000
8
10001+
12

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 2,301 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 “HR information systems integrators” 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 81,204 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 September 28, 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 “HR information systems integrators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many HR information systems integrators are there based in the United States?

RevenueBase identified 2,301 company matches for HR information systems integrators associated with the United States as of September 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?

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

Which city has the most HR information systems integrators?

New York leads with 66 company records, followed by Atlanta (56) and Houston (41).

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 81,204 professional contacts with verified work emails tracked across these 2,301 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 September 28, 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.