Company lists · Data refreshed September 2026
Top 25 Nonprofit constituent relationship management software companies based in the United States
RevenueBase identified 208 nonprofit constituent relationship management software companies headquartered in 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 nonprofit constituent relationship 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, 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.
The 25 largest nonprofit constituent relationship management software companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 867 | ||||
“Community Brands is now Momentive Software, follow us at Momentive Software helps associations and nonprofits enhance membership management and donor engagement, automate and…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 2 | 514 | ||||
“Bloomerang is the Giving Platform built for purpose, trusted by nonprofits to raise more funds, retain more supporters, and create lasting change.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 3 | 461 | ||||
“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…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 4 | TessituraPartial evidence | 342 | |||
“We are Tessitura, a nonprofit tech company dedicated to helping arts and cultural organizations thrive.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 5 | JCAPartial evidence | 265 | |||
“JCA is the first and foremost independent consulting firm dedicated to addressing the technology and operational needs of nonprofits.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 6 | 252 | ||||
“Clover creates software for real people.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 7 | 194 | ||||
“The average small to midsize nonprofit uses three to five tools to manage their donors, volunteers, and communications.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 8 | 188 | ||||
“CyberGrants is now Bonterra, part of a cohesive tech lineup under the Bonterra brand.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 9 | 185 | ||||
“Kindsight builds technology that helps fundraisers make a difference.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 10 | 73 | ||||
“DonorPerfect is a one-stop fundraising software solution that helps nonprofits raise more money in less time.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 11 | 70 | ||||
“Builder Prime is the all-in-one CRM built for growth-minded home improvement companies.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 12 | 51 | ||||
“NPact is software and services provider for the nonprofit and foundation sectors.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 13 | ONEOCPartial evidence | 49 | |||
“OneOC's mission is to accelerate nonprofit success.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 14 | ProlocityIndirect evidence | 42 | |||
“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…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 15 | 40 | ||||
“We help growing nonprofits spend less time on manual work and more time on mission impact.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 16 | International Data ManagementPartial evidence | 39 | |||
“International Data Management (IDMI) has been providing full-service data driven solutions to the non-profit community since its inception in 1994.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 17 | StratuslivePartial evidence | 35 | |||
“StratusLIVE, an industry leader of Software for Social Good, empowers organizations to drive change and increase impact.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 18 | Less Annoying CRMIndirect evidence | 28 | |||
“Less Annoying CRM is a simple CRM built from the ground up for small businesses.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 19 | Prenger Solutions GroupPartial evidence | 27 | |||
“Prenger Solutions Group uses technology to help nonprofits improve their fundraising and communications.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 20 | 27 | ||||
“Arreva is the trusted advisor and market leader of fundraising and donor relationship management software.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 21 | ConvioStrong evidence | 26 | |||
“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.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 22 | Plutus Nonprofit Solutions, LLCPartial evidence | 25 | |||
“Plutus is your not-for-profit success agency, helping nonprofits and associations adopt the Salesforce platform to unify fundraising, memberships, marketing, community, and the…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 23 | AuxiliaStrong evidence | 25 | |||
“Auxilia’s comprehensive nonprofit Donation Management System modernizes the giving experience, simplifies outreach and provides greater organizational transparency– enabling…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 24 | 24 | ||||
“ChapterSpot is a leader in innovative software solutions for chapter-based non-profit organizations.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 25 | Samaritan Volunteer Management Software VMSIndirect evidence | 23 | |||
“Samaritan is volunteerism.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
Showing 25 of 208 nonprofit constituent relationship management software companies based in the United States
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Nonprofit constituent relationship management software companies based in the United States at a glance
As of Sep 5, 2026Companies by employee count
Verified emails by last verification
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 nonprofit constituent relationship management software companies, 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 “nonprofit constituent relationship management software companies”. 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 nonprofit constituent relationship 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 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, 2,060 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 nonprofit constituent relationship management software companies are there based in the United States?
RevenueBase identified 208 nonprofit constituent relationship 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?
Community Brands, headquartered in St. Petersburg, tops this list with the largest team on record.
Which city has the most nonprofit constituent relationship management software companies?
Austin leads with 10 headquartered companies, followed by Chicago (5) and New York (5).
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 2,060 verified decision-maker contacts tracked across these 208 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.
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