Company lists · Data refreshed September 2026

Top 25 Resource management software based in the United States

RevenueBase identified 70 resource management software headquartered in the United States as of September 2026 and tracks 2,600 professional contacts across them, including 333 with verified work emails and 317 with mobile numbers. New York is the largest hub.

This list covers resource management software 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, how directly it supports the match, and when it was last checked. Data refreshed September 5, 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 HQ checked on every row Match evidence on every row Refreshed Sep 5, 2026 86% judged on-target in blind review
70Companies
2,600Contacts tracked
333Verified emails
317Mobile numbers
Explore all 70 companies → Free signup · no credit card · 500 free credits

The 25 largest resource management software based in the United States

Ranked by team size
Top 25 of 70 resource management software based in the United States, ranked by team size, largest first. Data refreshed Sep 5, 2026. Evidence rates how directly each company's own description names resource management software: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#CompanyHeadquartersEmployeesContacts
1
SSSPartial evidence
Littleton, CO, United StatesHQ checked Sep 5, 2026n/a1,376

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

Source: company website · checked Sep 5, 2026
2
HarvestPartial evidence
New York, NY, United StatesHQ checked Sep 5, 202651-200152

“Harvest is an industry-leading software company building tools that help businesses thrive.”

Source: company website · checked Sep 5, 2026
3
AlliancehcmPartial evidence
The Woodlands, TX, United StatesHQ checked Sep 5, 202651-200150

“Alliance Human Capital Management (HCM) is heavily invested in providing the latest technology backed by the most personalized customer service in the industry.”

Source: company website · checked Sep 5, 2026
4
MosaicStrong evidence
New York, NY, United StatesHQ checked Sep 5, 202611-50130

“Headquartered in New York City and launched in 2019, Mosaic is the first resource management software that enables real-time collaboration for planning work.”

Source: company website · checked Sep 5, 2026
5Pembroke Pines, FL, United StatesHQ checked Sep 5, 202651-20075

“Jumping through hoops isn’t real work.”

Source: company website · checked Sep 5, 2026
6
VI By AderantPartial evidence
Atlanta, GA, United StatesHQ checked Sep 5, 2026501-1,00057

“vi by Aderant people management platform, part of the Aderant family of products, is the #1 platform for strategic talent management at professional services firms.”

Source: company website · checked Sep 5, 2026
7
Mavenlink NOW KantataIndirect evidence
Irvine, CA, United StatesHQ checked Sep 5, 2026501-1,00053

“Mavenlink and Kimble Applications have merged to form Kantata!”

Source: company website · checked Sep 5, 2026
8
ParallaxStrong evidence
Edina, MN, United StatesHQ checked Sep 5, 202611-5039

“Parallax is a forecasting and resource management platform that helps digital agencies, software development shops and consultancies grow by creating a shared perspective across…”

Source: company website · checked Sep 5, 2026
9
ActivecollabPartial evidence
Norfolk, VA, United StatesHQ checked Sep 5, 202611-5030

“ActiveCollab offers powerful, yet easy-to-use tools for capacity planning and workload management, time tracking, project management, team collaboration, client communication…”

Source: company website · checked Sep 5, 2026
10Winston-salem, NC, United StatesHQ checked Sep 5, 202651-20024

“At Black Rock Innovations LLC, we are at the forefront of innovation in Research and Development (R&D), Product Development, and Program Management.”

Source: company website · checked Sep 5, 2026
11
FielddIndirect evidence
Austin, TX, United StatesHQ checked Sep 5, 202651-20023

“One solution that does it all.”

Source: company website · checked Sep 5, 2026
12Bradenton, FL, United StatesHQ checked Sep 5, 202611-5022

“PayServ's Workforcethrive is a single application that manages the entire Employee Life Cycle, from Hire to Retire.”

Source: company website · checked Sep 5, 2026
13
ProsymmetryStrong evidence
Beachwood, OH, United StatesHQ checked Sep 5, 202611-5019

“Gartner Research publishes a very popular research article entitled "Resource Management for Project Portfolio Management: Walk Before You Run." As its name implies, the research…”

Source: company website · checked Sep 5, 2026
14Mendham, NJ, United StatesHQ checked Sep 5, 202611-5017

“Timewatch are specialists in professional workforce management solutions: resource scheduling, capacity planning, time tracking, project costing, expenses management & project…”

Source: company website · checked Sep 5, 2026
15New York, NY, United StatesHQ checked Sep 5, 202651-20015

“PDWare(tm) is a provider of dynamic resource and work planning solutions for strategy and portfolio execution.”

Source: company website · checked Sep 5, 2026
16
Swarm HRStrong evidence
Aurora, IL, United StatesHQ checked Sep 5, 202651-20014

“SWARM HR - Software for Workforce automation and resource management is a HR management software suite with a comprehensive set of features that can help businesses make the best…”

Source: company website · checked Sep 5, 2026
17
Avidia SoftwareStrong evidence
Raleigh, NC, United StatesHQ checked Sep 5, 202611-5012

“People and Payroll Management Software HR | Payroll | Performance | Time | Onboarding | Analytics”

Source: company website · checked Sep 5, 2026
18Incline Village, NV, United StatesHQ checked Sep 5, 202611-5010

“Airframe is a new utility for business: an on-demand resource & relationship management suite.”

Source: company website · checked Sep 5, 2026
19
CWS SoftwareStrong evidence
Binghamton, NY, United StatesHQ checked Sep 5, 202611-5010

“CWS is Committed to One Thing: Streamlining HR Responsibilities Because we are so tightly focused on human resources, CWS Software consistently impresses our clients with…”

Source: company website · checked Sep 5, 2026
20
PlanifiPartial evidence
Boston, MA, United StatesHQ checked Sep 5, 20261-108

“Planifi gives architecture and engineering firms complete, real-time control over their projects and resources.”

Source: company website · checked Sep 5, 2026
21
BilfloPartial evidence
Chino Hills, CA, United StatesHQ checked Sep 5, 202611-508

“We offer human capital management technology that provides businesses with effective management in the ongoing back office relationships between the employee, client, and staffing…”

Source: company website · checked Sep 5, 2026
22Global Isv, United StatesHQ checked Sep 5, 202651-2008

“Dynamics HR Management is the complete solution for Human Resource Management in Microsoft Dynamics 365.”

Source: company website · checked Sep 5, 2026
23
RM ONEStrong evidence
Irvine, CA, United StatesHQ checked Sep 5, 202611-507

“RM ONE is a Resource and Pipeline Management platform for architecture, engineering, construction, and real estate firms.”

Source: company website · checked Sep 5, 2026
24
RMT PortalStrong evidence
East Brunswick, NJ, United StatesHQ checked Sep 5, 202651-2006

“RMT Portal is an end-to-end and fully integrated resource management application, An essential need to manage today’s consulting enterprise/agency Closely integrated with all…”

Source: company website · checked Sep 5, 2026
25
LiquidplannerIndirect evidence
Burlington, MA, United StatesHQ checked Sep 5, 202611-506
Source: company website · checked Sep 5, 2026

Showing 25 of 70 resource management software based in the United States

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Resource management software based in the United States at a glance

As of Sep 5, 2026
11-50Median size (employees)
New YorkLargest hub · 6 HQs
317Contacts with mobile numbers
Sep 5, 2026Data refreshed

Companies by employee count

1-10
19
11-50
27
51-200
19
201-500
2
501-1,000
2
1,001-5,000
1

Verified emails by last verification

0–30
311
31–60
18
61–90
1
90–180
0
180+
3

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 resource management software, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, 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 “resource management software”. Matching reads each company's description, not its industry code or its name.
What we exclude
Companies whose own description does not clearly place them among resource management software, 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 an evidence 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, 333 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 5, 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.

Frequently asked

How many resource management software are there based in the United States?

RevenueBase identified 70 resource management software 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?

SSS, headquartered in Littleton, tops this list with the largest team on record.

Which city has the most resource management software?

New York leads with 6 headquartered companies, followed by Irvine (3) and Austin (2).

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 333 verified decision-maker contacts tracked across these 70 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 5, 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.