Company lists · Data refreshed September 2026

Top 25 Volunteer scheduling software companies based in the United States

RevenueBase identified 218 company matches for volunteer scheduling software companies associated with the United States as of September 2026 and tracks 2,488 professional contacts across them, including 731 with verified work emails. New York is the largest hub.

This list covers company matches for volunteer scheduling software companies 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 29, 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 29, 2026 How this list was built
218Companies
2,488Contacts tracked
731Verified emails
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The 25 largest volunteer scheduling software companies based in the United States

Ranked by team size
Top 25 of 218 company matches for volunteer scheduling software companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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 matchLos Angeles, CA, United StatesHQ recorded Sep 29, 202651-200482 contacts →

Exact match

“CareRev is reshaping how hospitals and health systems staff their teams with lightweight workforce technology that works for both clinicians and organizations.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchVenice, CA, United StatesHQ recorded Sep 29, 2026n/a183 contacts →

Exact match

“At Golden, we make volunteering seamless, impactful, and rewarding for everyone-whether you're a nonprofit, company, university, government, or community organization.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchMinneapolis, MN, United StatesHQ recorded Sep 29, 202651-200181 contacts →

Exact match

“When I Work is the market leader in shift-based workforce management software and delivers a powerful, employee-first experience.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchDenver, CO, United StatesHQ recorded Sep 29, 2026n/a87 contacts →

Exact match

“At Helper Helper we are here to, well, help.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchSan Angelo, TX, United StatesHQ recorded Sep 29, 2026501-1,00080 contacts →

Exact match

“Humanity Schedule is a leading demand-driven employee scheduling solution powered by TCP Software.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchAsheville, NC, United StatesHQ recorded Sep 29, 202611-5060 contacts →

Exact match

“Our flagship product, Get Connected, was created for organizations who want an easy way to manage, engage, and increase the impact of volunteerism.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchGaithersburg, MD, United StatesHQ recorded Sep 29, 202651-20059 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchSan Francisco, CA, United StatesHQ recorded Sep 29, 202611-5046 contacts →

Exact match

“Cal.com is a modern, fully customizable scheduling platform built for teams that care about both power and design.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchSeattle, WA, United StatesHQ recorded Sep 29, 202651-20045 contacts →

Exact match

“Shiftboard is a leading provider of employee scheduling software for shift-based operations in mission-critical industries.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchCharlotte, NC, United StatesHQ recorded Sep 29, 202651-20042 contacts →

Exact match

“SignUpGenius helps schools, nonprofits, teams, and communities organize sign ups, donations, tickets, auctions, and payments.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchBeverly Hills, CA, United StatesHQ recorded Sep 29, 202651-20035 contacts →

Exact match

“Dropstat takes the stress out of staffing.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchLos Angeles, CA, United StatesHQ recorded Sep 29, 202611-5030 contacts →

Exact match

“Axle Health provides scheduling and workforce management software to help home healthcare and hospice providers improve their clinician productivity.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchWilmington, DE, United StatesHQ recorded Sep 29, 202611-5029 contacts →

Exact match

“TimeZest is the dispatch company for managed service providers.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchColumbia, MD, United StatesHQ recorded Sep 29, 202651-20027 contacts →

Exact match

“Welcome to Successware – your trusted provider of service scheduling software for the HVAC, electrical, plumbing, and home service industries.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchBloomington, MN, United StatesHQ recorded Sep 29, 202611-5025 contacts →

Exact match

“Since its inception in 1979, AcuStaf Development Corporation has provided comprehensive labor management tools designed for the complexity of the healthcare industry.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchCharleston, SC, United StatesHQ recorded Sep 29, 202611-5024 contacts →

Exact match

“MaidCentral home cleaning service scheduling and management software is an all-in-one solution that gives you easy control over all facets of your residential cleaning company.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchSalt Lake City, UT, United StatesHQ recorded Sep 29, 202611-5023 contacts →

Exact match

“Samaritan is volunteerism.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchMiami, FL, United StatesHQ recorded Sep 29, 202651-20022 contacts →

Exact match

“Intrigma is the healthcare industry's leading provider of automated staff scheduling solutions-distinctly designed for clinical teams, not patient appointments.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchPortland, OR, United StatesHQ recorded Sep 29, 202651-20022 contacts →

Exact match

“Setmore offers a free online scheduling platform that empowers you to balance your scheduling, connect with customers, and grow your brand.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchDublin, OH, United StatesHQ recorded Sep 29, 202611-5021 contacts →

Exact match

“Connecting People with Purpose Managing volunteers can be a difficult and time consuming process for any organization.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchCambridge, MA, United StatesHQ recorded Sep 29, 202611-5020 contacts →

Exact match

“Volunteer better, together.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchNew York, United StatesHQ recorded Sep 29, 202611-5019 contacts →

Exact match

“Vimcal is the world's fastest calendar, beautifully designed for people who have too many meetings.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchBedford, NH, United StatesHQ recorded Sep 29, 202611-5017 contacts →

Exact match

“As an industry leader in cloud-based workforce management, SubItUp simplifies scheduling for managers everywhere.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchChandler, AZ, United StatesHQ recorded Sep 29, 202611-5016 contacts →

Exact match

“At ShiftX we love to make people’s lives better every day.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchSouth San Francisco, CA, United StatesHQ recorded Sep 29, 202611-5016 contacts →

Exact match

“Founded in 2002, we’ve worked to align complex interests and bring transparency to healthcare operations.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 218 volunteer scheduling software companies based in the United States

See the full list, filter by size, metro and specialty, and access 731 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Volunteer scheduling software companies based in the United States at a glance

As of Sep 29, 2026
29.4%Verified-email coverage
11.4Average contacts per company
1-10Median size (employees)
6.4%Largest-city concentration · New York
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
110
11-50
83
51-200
18
201-500
4
501-1,000
2
1,001-5,000
1

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 218 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 “volunteer scheduling software companies” 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 731 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 29, 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 “volunteer scheduling software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many volunteer scheduling software companies are there based in the United States?

RevenueBase identified 218 company matches for volunteer scheduling software companies 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?

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

Which city has the most volunteer scheduling software companies?

New York leads with 14 company records, followed by San Francisco (10) and Chicago (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 731 professional contacts with verified work emails tracked across these 218 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 29, 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.