Company lists · Data refreshed September 2026

Top 25 Human resources management software companies based in the United States

Name: Human resources management software 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 3, 2026 1,044 companies tracked

RevenueBase identified 1,044 human resources management software companies headquartered in the United States as of September 2026 and tracks 70,715 professional contacts across them, including 29,371 with verified work emails and 28,400 with mobile numbers. New York is the largest hub.

This list covers human resources management software 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 3, 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 3, 2026 86% judged on-target in blind review

1,044Companies

70,715Contacts tracked

29,371Verified emails

28,400Mobile numbers

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The 25 largest human resources management software companies based in the United States

Ranked by team size

Top 25 of 1,044 human resources management software companies based in the United States, ranked by team size, largest first. Data refreshed Sep 3, 2026. RevenueBase Smart Search rates how each company's information relates to human resources management software 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	Paychex	Indirect evidence	Rochester, NY, United StatesHQ checked Sep 3, 2026	10001+	17,921 contacts →
	Indirect evidence “As the future of work continues to evolve, Paychex leads the way by making complex HR, payroll, and benefits brilliantly simple.” Source: RevenueBase Database · checked Sep 3, 2026
2	Paycom	Partial evidence	Oklahoma City, GA, United StatesHQ checked Sep 3, 2026	5,001-10,000	7,144 contacts →
	Partial evidence “Paycom (NYSE:PAYC) automates the entire employee life cycle in a truly single HR and payroll software.” Source: RevenueBase Database · checked Sep 3, 2026
3	Paylocity	Strong evidence	Schaumburg, PA, United StatesHQ checked Sep 3, 2026	5,001-10,000	6,216 contacts →
	Strong evidence “Paylocity (NASDAQ: PCTY) is an award-winning provider of cloud-based HR, payroll and spend management software solutions.” Source: RevenueBase Database · checked Sep 3, 2026
4	Strada	Partial evidence	The Woodlands, TX, United StatesHQ checked Sep 3, 2026	5,001-10,000	5,553 contacts →
	Partial evidence “With over 30 years as a global people, payroll, and technology leader, Strada specializes in removing complexity to simplify workforce management.” Source: RevenueBase Database · checked Sep 3, 2026
5	Insperity	Indirect evidence	Kingwood, TX, United StatesHQ checked Sep 3, 2026	1,001-5,000	4,818 contacts →
	Indirect evidence “Since 1986, Insperity’s mission has been to help businesses succeed so communities prosper.” Source: RevenueBase Database · checked Sep 3, 2026
6	Paycor	Indirect evidence	Cincinnati, OH, United StatesHQ checked Sep 3, 2026	1,001-5,000	2,664 contacts →
	Indirect evidence “Paycor’s HR, payroll, and talent platform connects leaders to people, data, and expertise.” Source: RevenueBase Database · checked Sep 3, 2026
7	SAP Successfactors	Strong evidence	South San Francisco, CA, United StatesHQ checked Sep 3, 2026	1,001-5,000	1,929 contacts →
	Strong evidence “SAP SuccessFactors HCM provides cloud-based human capital management software applications to organizations.” Source: RevenueBase Database · checked Sep 3, 2026
8	Bamboohr	Indirect evidence	Draper, UT, United StatesHQ checked Sep 3, 2026	1,001-5,000	1,828 contacts →
	Indirect evidence “For 16 years, BambooHR has embarked on a mission to help organizations and their employees build better workplaces and achieve their unique missions.” Source: RevenueBase Database · checked Sep 3, 2026
9	Isolved	Strong evidence	Charlotte, IL, United StatesHQ checked Sep 3, 2026	1,001-5,000	1,675 contacts →
	Strong evidence “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…” Source: RevenueBase Database · checked Sep 3, 2026
10	Neogov	Indirect evidence	El Segundo, CA, United StatesHQ checked Sep 3, 2026	501-1,000	678 contacts →
	Indirect evidence “For over 25 years, NEOGOV has been at the forefront of public-sector innovation, building technology that helps government and education organizations work smarter, move faster…” Source: RevenueBase Database · checked Sep 3, 2026
11	Asure Software	Strong evidence	Austin, TX, United StatesHQ checked Sep 3, 2026	501-1,000	660 contacts →
	Strong evidence “Asure (NASDAQ: ASUR) sees Human Capital Management (HCM) through the lens of entrepreneurs and executives with an owner’s mentality.” Source: RevenueBase Database · checked Sep 3, 2026
12	Electronic Commerce, Inc. Eci, INC	Indirect evidence	Elkhart, IN, United StatesHQ checked Sep 3, 2026	201-500	583 contacts →
	Indirect evidence “As a leading HCM technology and services provider, Vibe HCM Inc.” Source: RevenueBase Database · checked Sep 3, 2026
13	Primepay	Indirect evidence	Bradenton, FL, United StatesHQ checked Sep 3, 2026	501-1,000	494 contacts →
	Indirect evidence “PrimePay makes payroll and HR complexity disappear.” Source: RevenueBase Database · checked Sep 3, 2026
14	Prismhr	Strong evidence	Chandler, AZ, United StatesHQ checked Sep 3, 2026	201-500	431 contacts →
	Strong evidence “PrismHR creates exceptional software and services, empowering human resource outsourcing service providers such as Professional Employer Organizations (PEOs) and HR outsourcers to…” Source: RevenueBase Database · checked Sep 3, 2026
15	Proliant	Strong evidence	Atlanta, IL, United StatesHQ checked Sep 3, 2026	201-500	317 contacts →
	Strong evidence “ProLiant provides a fully integrated, cloud-based human capital management solution that simplifies payroll and HR processes, improves accuracy, and ensures industry compliance.” Source: RevenueBase Database · checked Sep 3, 2026
16	Viventium	Indirect evidence	Berkeley Heights, NY, United StatesHQ checked Sep 3, 2026	201-500	283 contacts →
	Indirect evidence “Viventium provides a SaaS-based payroll and HR solution that is focused on the post-acute care industry, paying over health services employees and supporting clients in all 50…” Source: RevenueBase Database · checked Sep 3, 2026
17	INOVA	Strong evidence	Nashville, TN, United StatesHQ checked Sep 3, 2026	201-500	268 contacts →
	Strong evidence “Inova Payroll is a leading employer services company, integrating payroll and human capital management (HCM) technology with personalized support and full-service HR outsourcing.” Source: RevenueBase Database · checked Sep 3, 2026
18	Hirelevel	Strong evidence	Marion, KY, United StatesHQ checked Sep 3, 2026	501-1,000	244 contacts →
	Strong evidence “HireLevel is a certified women-owned business (WBE), nationwide Human Capital Management company leading the way in human resources and staffing, payroll, timekeeping, and…” Source: RevenueBase Database · checked Sep 3, 2026
19	HCM Unlocked	Indirect evidence	Miami, FL, United StatesHQ checked Sep 3, 2026	201-500	204 contacts →
	Indirect evidence “HCM Unlocked is ranked as one of America's 100 fastest-growing companies by INC.” Source: RevenueBase Database · checked Sep 3, 2026
20	APS Payroll	Indirect evidence	Shreveport, LA, United StatesHQ checked Sep 3, 2026	201-500	192 contacts →
	Indirect evidence “At APS, our mission is simple: to make payroll and HR easier.” Source: RevenueBase Database · checked Sep 3, 2026
21	Automatic Data Processing	Strong evidence	Durham, NC, United StatesHQ checked Sep 3, 2026	10001+	174 contacts →
	Strong evidence “ADP is a comprehensive global provider of cloud-based human capital management (HCM) solutions that unite HR, payroll, talent, time, tax and benefits administration, and a leader…” Source: RevenueBase Database · checked Sep 3, 2026
22	Heartland Payroll	Indirect evidence	Rochester, OH, United StatesHQ checked Sep 3, 2026	1,001-5,000	160 contacts →
	Indirect evidence “Ovation Payroll is now Heartland Payroll.” Source: RevenueBase Database · checked Sep 3, 2026
23	Namely	Indirect evidence	Chandler, AZ, United StatesHQ checked Sep 3, 2026	1,001-5,000	151 contacts →
	Indirect evidence “Namely is the HR, Payroll, and Benefits platform your employees will love.” Source: RevenueBase Database · checked Sep 3, 2026
24	Onshift	Strong evidence	Cleveland, OH, United StatesHQ checked Sep 3, 2026	201-500	136 contacts →
	Strong evidence “OnShift’s next-generation human capital management platform fundamentally transforms the relationship between healthcare organizations and their employees.” Source: RevenueBase Database · checked Sep 3, 2026
25	Decisionhr	Strong evidence	St. Petersburg, FL, United StatesHQ checked Sep 3, 2026	201-500	87 contacts →
	Strong evidence “DecisionHR is a full-service human resource outsourcing company serving small and mid-sized businesses nationwide.” Source: RevenueBase Database · checked Sep 3, 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: human resources management software 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 human resources management software companies.
Partial evidence: Its own public description names part of human resources management software companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name human resources management software 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 1,044 human resources management software companies based in the United States

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Human resources management software companies based in the United States at a glance

As of Sep 3, 2026

41.5%Verified-email coverage

40.2%Mobile-number coverage

67.7Average contacts per company

11-50Median size (employees)

2.7%Largest-city concentration · New York

Sep 3, 2026Page data refreshed

Companies by employee count

1-10

498

11-50

317

51-200

152

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

00–30

2,99931–60

16,43261–90

9,54990–180

391180+

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 human resources management software 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 “human resources management software 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 human resources management software 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 human resources management software 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, 29,371 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 3, 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.

Human resources management software companies by metro

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 human resources management software 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 human resources management software companies are there based in the United States?

RevenueBase identified 1,044 human resources management software 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?

Paychex, headquartered in Rochester, tops this list with the largest team on record.

Which city has the most human resources management software companies?

New York leads with 28 headquartered companies, followed by Atlanta (25) and Houston (16).

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 29,371 verified decision-maker contacts tracked across these 1,044 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 3, 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.