Company lists · Data refreshed September 2026
Top 25 Nonprofit systems integration firms worldwide
RevenueBase identified 2,178 nonprofit systems integration firms worldwide as of September 2026 and tracks 23,778 professional contacts across them, including 7,451 with verified work emails. The United States is the largest market and New York the largest hub.
This list covers nonprofit systems integration firms worldwide, 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 29, 2026. Country and city lists for nonprofit systems integration firms follow the table.
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.
The 25 largest nonprofit systems integration firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,694 contacts → | ||||
Indirect evidence “Public Consulting Group (PCG) is a leading public sector solutions implementation and operations improvement firm that partners with health, education, and human services agencies…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 773 contacts → | ||||
Indirect evidence “GCC Services has rebranded to Alliad.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 605 contacts → | ||||
Indirect evidence “CTC Global Sdn Bhd (CTC Malaysia) is a wholly owned subsidiary of ITOCHU Techno-Solutions Corporation (CTC) and ITOCHU Corporation.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 480 contacts → | ||||
Indirect evidence “For more than 30 years, NYSTEC has provided independent advisory services to our government partners.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 387 contacts → | ||||
Partial evidence “PCSS is a Singapore-based systems integrator with more than 25 years of experience and accolades in providing secure, reliable and state-of-the-art security solutions.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 356 contacts → | ||||
Indirect evidence “From disaster response and automated healthcare kiosks to occupational health services and federal IT consulting, we operate at the intersection of mission-critical need and…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 344 contacts → | ||||
Indirect evidence “Integrity is at the core of everything we do at ITC Federal.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 342 contacts → | ||||
Partial evidence “Groundswell is a specialized, highly agile systems integrator delivering advanced technology solutions as a trusted mission partner to federal agencies.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 329 contacts → | ||||
Strong evidence “RedMane is a software solutions and systems integration firm that helps health and human services organizations address their most complex challenges.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 265 contacts → | ||||
Partial evidence “JCA is the first and foremost independent consulting firm dedicated to addressing the technology and operational needs of nonprofits.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 262 contacts → | ||||
Partial evidence “As a national full-service accounting and advisory firm exclusively serving nonprofit organizations, CapinCrouse provides professional solutions to organizations whose outcomes…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 254 contacts → | ||||
Indirect evidence “eSimplicity is a trusted partner that integrates commercial and open-source solutions to empower government services and strengthen the country's defense and national security.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 231 contacts → | ||||
Indirect evidence “Aquiva Labs brings your business vision to life.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 219 contacts → | ||||
Indirect evidence “Integrador de Sistemas y Tecnologías de Información” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 172 contacts → | ||||
Strong evidence “Computer Systems Center Incorporated (CSCI) is a highly specialized systems integration, and professional services firm that delivers proven results by harnessing the value of…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 165 contacts → | ||||
Indirect evidence “At VAE, Inc, we build, secure and support large-scale enterprise IT infrastructures.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 163 contacts → | ||||
Partial evidence “AST is an award-winning full-service enterprise systems integrator, serving clients in the Public and Commercial Sectors for more than two decades.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 155 contacts → | ||||
Indirect evidence “Leader national dans le domaine des systèmes d'information, Omnidata a mobilisé depuis deux décennies les meilleures compétences pour répondre aux impératifs de performance de ses…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 142 contacts → | ||||
Indirect evidence “In 2002 Decypher had its humble start in a studio located above the founders’ garage.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 140 contacts → | ||||
Indirect evidence “AlphaSys builds technology solutions that empower purpose-driven organisations to grow, adapt and thrive.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 137 contacts → | ||||
Indirect evidence “We exist to support non-profits as they carry out their world-changing missions.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 128 contacts → | ||||
Strong evidence “TEA Computers System Integration & Professional Services Information Technology Systems Integration is the process of linking together different computing systems (hardware…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 127 contacts → | ||||
Partial evidence “Savantage Solutions provides a wide range of consulting, integration, technology and support solutions and services to Federal agencies.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 125 contacts → | ||||
Partial evidence “BWF Zuri is the nonprofit sector’s most comprehensive fundraising consulting company, helping organizations thrive in a rapidly changing landscape.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 120 contacts → | ||||
Indirect evidence “Trilogy’s story began in 2009 when our founders decided to combine the best practices and lessons learned from working across both large and small organizations to launch a new…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
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: nonprofit systems integration firms. 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 nonprofit systems integration firms.
- Partial evidence
- Its own public description names part of nonprofit systems integration firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name nonprofit systems integration firms. 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 2,178 nonprofit systems integration firms worldwide
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Nonprofit systems integration firms worldwide at a glance
As of Sep 29, 2026Companies by employee count
Email recency is reported on each country list linked below.
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 systems integration firms, 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.
- Coverage
- Every country. Country and city lists for nonprofit systems integration firms are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “nonprofit systems integration firms”. 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 nonprofit systems integration firms), 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 nonprofit systems integration firms, and records with no verified work email.
- 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, 7,451 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 29, 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.
Nonprofit systems integration firms by location
13 lists · largest firstEvery Nonprofit systems integration firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Nonprofit systems integration firms based in the United States1,066
- Nonprofit systems integration firms based in Canada95
- Nonprofit systems integration firms based in the United Kingdom66
- Nonprofit systems integration firms based in Brazil53
- Nonprofit systems integration firms based in Australia50
- Nonprofit systems integration firms based in India38
- Nonprofit systems integration firms based in France32
- Nonprofit systems integration firms based in Italy30
Cities
- Nonprofit systems integration firms based in New York, United States39
- Nonprofit systems integration firms based in Washington, United States35
- Nonprofit systems integration firms based in Chicago, United States31
- Nonprofit systems integration firms based in Atlanta, United States30
- Nonprofit systems integration firms based in London, United Kingdom27
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 nonprofit systems integration firms, 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 nonprofit systems integration firms are there worldwide?
RevenueBase identified 2,178 nonprofit systems integration firms worldwide 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?
Public Consulting Group, headquartered in Boston, tops this list with the largest team on record.
Which country has the most nonprofit systems integration firms?
The United States leads with 1,066 companies, followed by Canada (95) and the United Kingdom (66). Every nonprofit systems integration firms list by country and city is linked on this page.
Which city has the most nonprofit systems integration firms?
New York leads with 39 headquartered companies, followed by Washington (35) and Chicago (31).
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 7,451 verified decision-maker contacts tracked across these 2,178 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 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 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.