Company lists · Data refreshed September 2026

Top 25 Nonprofit constituent relationship management software companies based in the United States

RevenueBase identified 208 company matches for nonprofit constituent relationship management software companies associated with the United States as of September 2026 and tracks 5,023 professional contacts across them, including 2,060 with verified work emails and 2,066 with mobile numbers. Austin is the largest hub.

This list covers company matches for nonprofit constituent relationship management 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 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 RevenueBase SmartSearch · Exact Recorded Sep 5, 2026 How this list was built
208Companies
5,023Contacts tracked
2,060Verified emails
2,066Mobile numbers
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The 25 largest nonprofit constituent relationship management software companies based in the United States

Ranked by team size
Top 25 of 208 company matches for nonprofit constituent relationship management software companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 5, 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 matchSt. Petersburg, FL, United StatesHQ recorded Sep 5, 20261,001-5,000867 contacts →

Exact match

“Community Brands is now Momentive Software, follow us at Momentive Software helps associations and nonprofits enhance membership management and donor engagement, automate and…”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
2Exact matchIndianapolis, IN, United StatesHQ recorded Sep 5, 2026201-500514 contacts →

Exact match

“Bloomerang is the Giving Platform built for purpose, trusted by nonprofits to raise more funds, retain more supporters, and create lasting change.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
3Exact matchAlpharetta, GA, United StatesHQ recorded Sep 5, 2026501-1,000461 contacts →

Exact match

“We help more than purpose-driven organizations grow and amplify their impact on the world by providing transformative technology and services that enable organizations to grow…”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
4Exact matchMiddletown, DE, United StatesHQ recorded Sep 5, 2026201-500342 contacts →

Exact match

“We are Tessitura, a nonprofit tech company dedicated to helping arts and cultural organizations thrive.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
5Exact matchChicago, IL, United StatesHQ recorded Sep 5, 2026n/a265 contacts →

Exact match

“JCA is the first and foremost independent consulting firm dedicated to addressing the technology and operational needs of nonprofits.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
6Exact matchNewbury Park, CA, United StatesHQ recorded Sep 5, 2026n/a252 contacts →

Exact match

“Clover creates software for real people.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
7Exact matchChicago, IL, United StatesHQ recorded Sep 5, 2026201-500194 contacts →

Exact match

“The average small to midsize nonprofit uses three to five tools to manage their donors, volunteers, and communications.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
8Exact matchAndover, MA, United StatesHQ recorded Sep 5, 202651-200188 contacts →

Exact match

“CyberGrants is now Bonterra, part of a cohesive tech lineup under the Bonterra brand.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
9Exact matchScottsdale, AZ, United StatesHQ recorded Sep 5, 2026201-500185 contacts →

Exact match

“Kindsight builds technology that helps fundraisers make a difference.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
10Exact matchFort Washington, PA, United StatesHQ recorded Sep 5, 2026201-50073 contacts →

Exact match

“DonorPerfect is a one-stop fundraising software solution that helps nonprofits raise more money in less time.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
11Exact matchDenver, CO, United StatesHQ recorded Sep 5, 202651-20070 contacts →

Exact match

“Builder Prime is the all-in-one CRM built for growth-minded home improvement companies.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
12Exact matchBoston, MA, United StatesHQ recorded Sep 5, 202651-20051 contacts →

Exact match

“NPact is software and services provider for the nonprofit and foundation sectors.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
13Exact matchSanta Ana, CA, United StatesHQ recorded Sep 5, 202611-5049 contacts →

Exact match

“OneOC's mission is to accelerate nonprofit success.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
14Exact matchCincinnati, OH, United StatesHQ recorded Sep 5, 202651-20042 contacts →

Exact match

“With over implementation and managed services clients, and a 5-star customer rating, Prolocity is a Summit Salesforce partner recognized for our unmatched expertise and passionate…”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
15Exact matchRichmond, VA, United StatesHQ recorded Sep 5, 202611-5040 contacts →

Exact match

“We help growing nonprofits spend less time on manual work and more time on mission impact.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
16Exact matchAkron, OH, United StatesHQ recorded Sep 5, 202651-20039 contacts →

Exact match

“International Data Management (IDMI) has been providing full-service data driven solutions to the non-profit community since its inception in 1994.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
17Exact matchChesapeake, VA, United StatesHQ recorded Sep 5, 202611-5035 contacts →

Exact match

“StratusLIVE, an industry leader of Software for Social Good, empowers organizations to drive change and increase impact.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
18Exact matchSt. Louis, MO, United StatesHQ recorded Sep 5, 202611-5028 contacts →

Exact match

“Less Annoying CRM is a simple CRM built from the ground up for small businesses.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
19Exact matchOmaha, MN, United StatesHQ recorded Sep 5, 202611-5027 contacts →

Exact match

“Prenger Solutions Group uses technology to help nonprofits improve their fundraising and communications.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
20Exact matchFort Lauderdale, FL, United StatesHQ recorded Sep 5, 202611-5027 contacts →

Exact match

“Arreva is the trusted advisor and market leader of fundraising and donor relationship management software.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
21Exact matchAustin, TX, United StatesHQ recorded Sep 5, 2026201-50026 contacts →

Exact match

“Convio, a Blackbaud company, is a leading provider of on-demand constituent engagement solutions that enable nonprofit organizations to maximize the value of every relationship.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
22Exact matchArlington, VA, United StatesHQ recorded Sep 5, 202611-5025 contacts →

Exact match

“Plutus is your not-for-profit success agency, helping nonprofits and associations adopt the Salesforce platform to unify fundraising, memberships, marketing, community, and the…”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
23Exact matchDenver, United StatesHQ recorded Sep 5, 202611-5025 contacts →

Exact match

“Auxilia’s comprehensive nonprofit Donation Management System modernizes the giving experience, simplifies outreach and provides greater organizational transparency– enabling…”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
24Exact matchNew Orleans, LA, United StatesHQ recorded Sep 5, 202611-5024 contacts →

Exact match

“ChapterSpot is a leader in innovative software solutions for chapter-based non-profit organizations.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase
25Exact matchSalt Lake City, UT, United StatesHQ recorded Sep 5, 202611-5023 contacts →

Exact match

“Samaritan is volunteerism.”

Recorded in the RevenueBase company graph · Sep 5, 2026 · View company records in RevenueBase

Showing 25 of 208 nonprofit constituent relationship management software companies based in the United States

See the full list, filter by size, metro and specialty, and access 2,060 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Nonprofit constituent relationship management software companies based in the United States at a glance

As of Sep 5, 2026
41.0%Verified-email coverage
41.1%Mobile-number coverage
24.1Average contacts per company
11-50Median size (employees)
4.8%Largest-city concentration · Austin
Sep 5, 2026Page data refreshed

Companies by employee count

1-10
100
11-50
75
51-200
19
201-500
8
501-1,000
1
1,001-5,000
3
10001+
2

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

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 “nonprofit constituent relationship management 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 2,060 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 5, 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 “nonprofit constituent relationship management software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many nonprofit constituent relationship management software companies are there based in the United States?

RevenueBase identified 208 company matches for nonprofit constituent relationship management 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?

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

Which city has the most nonprofit constituent relationship management software companies?

Austin leads with 10 company records, followed by New York (6) and Chicago (5).

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 2,060 professional contacts with verified work emails tracked across these 208 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 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.