Company lists · Data refreshed September 2026

Top 25 Volunteer organizations worldwide

Name: Volunteer organizations worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 22, 2026 11,575 companies tracked

RevenueBase identified 11,575 company matches for volunteer organizations worldwide as of September 2026 and tracks 204,817 professional contacts across them, including 25,844 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for volunteer organizations worldwide, 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 22, 2026. Country and city lists for volunteer organizations follow the table.

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 22, 2026 How this list was built

11,575Companies

204,817Contacts tracked

25,844Verified emails

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The 25 largest volunteer organizations worldwide

Ranked by team size

Top 25 of 11,575 company matches for volunteer organizations worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Ymca Of The USA	Exact match	Chicago, IL, United StatesHQ recorded Sep 22, 2026	n/a	31,282 contacts →
	Exact match “For 175 years, the Y has been a place where meaningful connections help build stronger communities.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2	Scouting America	Exact match	Irving, TX, United StatesHQ recorded Sep 22, 2026	1,001-5,000	5,563 contacts →
	Exact match “Scouting America (formerly Boy Scouts of America) is one of the largest Scouting organizations in the United States of America and one of the largest youth organizations in the…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3	Cruz Roja Mexicana I.A.P	Exact match	México, MexicoHQ recorded Sep 22, 2026	5,001-10,000	2,885 contacts →
	Exact match “Nuestra misión es ofrecer atención eficiente a la población en casos de emergencia y en situaciones de desastre, impulsando acciones tendientes a incrementar la capacidad de las…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4	Ymca Of Greater Toronto	Exact match	Toronto, ON, CanadaHQ recorded Sep 22, 2026	5,001-10,000	2,575 contacts →
	Exact match “Everyone deserves a chance to shine.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5	Johanniter-Unfall-Hilfe E.V	Exact match	Berlin, GermanyHQ recorded Sep 22, 2026	10001+	2,183 contacts →
	Exact match “Wir suchen: Wir suchen Mitarbeiter/innen für unsere Bereiche Pflege, Rettung, Bildung und Erziehung sowie unsere zahlreichen Aufgaben in der Verwaltung (Vertrieb, Marketing…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6	Unis-Cite	Exact match	Paris, FranceHQ recorded Sep 22, 2026	501-1,000	2,044 contacts →
	Exact match “L’association Unis-Cité est née de ce rêve : qu’un jour tous les jeunes en France consacrent une étape de leur vie à la collectivité, et que cette expérience citoyenne soit un…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7	United Nations Volunteers	Exact match	Bonn, GermanyHQ recorded Sep 22, 2026	5,001-10,000	1,799 contacts →
	Exact match “United Nations Volunteers (UNV) is the UN organization that contributes to peace and development through volunteerism worldwide.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8	Resala Charity Organization جمعية رسالة للأعمال الخيرية	Exact match	اخر الشارع يمين, EgyptHQ recorded Sep 22, 2026	10001+	1,678 contacts →
	Exact match “Resala was established in as a youth movement at Cairo University and Sherif Abd Al Azim, an engineering professor, supervised the movement.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9	Philippine RED Cross	Exact match	Mandaluyong City, PhilippinesHQ recorded Sep 22, 2026	501-1,000	1,671 contacts →
	Exact match “The Philippine Red Cross is a non-profit, donor-funded, volunteer, humanitarian organization.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10	Humanitas	Exact match	Amsterdam, NetherlandsHQ recorded Sep 22, 2026	10001+	1,529 contacts →
	Exact match “Humanitas is er voor mensen die op eigen kracht iets willen doen aan een situatie.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11	Danish RED Cross	Exact match	København Ø, DenmarkHQ recorded Sep 22, 2026	501-1,000	1,348 contacts →
	Exact match “We invite you to join the community of Danish Red Cross.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12	ST John WA	Exact match	Belmont, United StatesHQ recorded Sep 22, 2026	1,001-5,000	1,203 contacts →
	Exact match “St John WA (SJWA) is a social enterprise committed to enhancing the health and wellbeing of the WA community we serve.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13	Endeavors	Exact match	San Antonio, TX, United StatesHQ recorded Sep 22, 2026	1,001-5,000	1,137 contacts →
	Exact match “Endeavors is a national service organization that serves our communities’ most vulnerable populations.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14	Norwegian RED Cross	Exact match	Oslo, NorwayHQ recorded Sep 22, 2026	201-500	850 contacts →
	Exact match “Røde Kors er verdens største humanitære organisasjon og er politisk og religiøst uavhengig.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15	Student Conservation Association	Exact match	Arlington, VA, United StatesHQ recorded Sep 22, 2026	201-500	795 contacts →
	Exact match “The Student Conservation Association (SCA) is the largest provider of hands-on environmental conservation programs for youth and adults.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16	Qatar RED Crescent Society Qrcs	Exact match	Doha, QatarHQ recorded Sep 22, 2026	1,001-5,000	777 contacts →
	Exact match “الهلال الأحمر القطري منظمة إنسانية هدفها نفوس آمنة وكرامة مصونة، وهي تعمل محلياً ودولياً منذ عام 1978 على تقديم الإغاثة، ودعم التنمية المستدامة، وتمكين المتطوعين.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17	Bronxworks	Exact match	Bronx, NY, United StatesHQ recorded Sep 22, 2026	501-1,000	762 contacts →
	Exact match “BronxWorks helps individuals and families improve their economic and social well-being.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18	Team Rubicon	Exact match	Los Angeles, CA, United StatesHQ recorded Sep 22, 2026	n/a	748 contacts →
	Exact match “Team Rubicon is a veteran-led humanitarian organization that serves global communities before, during, and after disasters and crises.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19	Creu Roja A Catalunya	Exact match	Barcelona, SpainHQ recorded Sep 22, 2026	1,001-5,000	682 contacts →
	Exact match “La Creu Roja és una organització humanitària que treballa en els àmbits de Salut, els Socors i les Emergències, la Cooperació Internacional, la Intervenció Social, el Medi…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20	Volunteer For Bangladesh	Exact match	Dhaka, BangladeshHQ recorded Sep 22, 2026	10001+	680 contacts →
	Exact match “Volunteer for Bangladesh is a nation-wide association of Volunteer Action Groups that work for the betterment of their individual communities and the nation as a whole.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21	Cruz Roja Argentina	Exact match	Balvanera, ArgentinaHQ recorded Sep 22, 2026	1,001-5,000	654 contacts →
	Exact match “Cuenta oficial de Cruz Roja Argentina.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22	FDF	Exact match	København V, DenmarkHQ recorded Sep 22, 2026	n/a	633 contacts →
	Exact match “FDF er et frirum for børn - her bliver man ikke til noget, man bliver til nogen.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23	Finnish RED Cross	Exact match	Helsinki, FinlandHQ recorded Sep 22, 2026	1,001-5,000	600 contacts →
	Exact match “Finnish Red Cross is the one of the largest civic organizations in Finland.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24	Aiesec In Vietnam	Exact match	Hồ Chí Minh, VietnamHQ recorded Sep 22, 2026	1,001-5,000	597 contacts →
	Exact match “Thành lập từ năm 1948, AIESEC là tổ chức thanh niên quốc tế phi chính phủ và không vì lợi nhuận, giúp người trẻ phát triển năng lực lãnh đạo thông qua các cơ hội tình nguyện, thực…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25	Society Of St. Vincent DE Paul	Exact match	Detroit, MI, United StatesHQ recorded Sep 22, 2026	51-200	594 contacts →
	Exact match “The Society of St.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “volunteer organizations”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 11,575 volunteer organizations worldwide

See the full list, filter by size, metro and specialty, and access 25,844 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Volunteer organizations worldwide at a glance

As of Sep 22, 2026

12.6%Verified-email coverage

17.7Average contacts per company

1-10Median size (employees)

1.1%Largest-city concentration · London

Sep 22, 2026Page data refreshed

Companies by employee count

1-10

5,835

11-50

3,233

51-200

1,383

201-500

475

501-1,000

217

1,001-5,000

188

5,001-10,000

10001+

110

Email recency is reported on each country list linked below.

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.
Coverage: Every country. Country and city lists for volunteer organizations are linked below.
What qualifies: Company records worldwide whose business descriptions match “volunteer organizations” 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. 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 25,844 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 22, 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.

Volunteer organizations by location

35 lists · largest first

Every Volunteer organizations list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many volunteer organizations are there worldwide?

RevenueBase identified 11,575 company matches for volunteer organizations worldwide 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?

Ymca Of The USA tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most volunteer organizations?

The United States leads with 2,730 companies, followed by India (807) and France (691). Every volunteer organizations list by country and city is linked on this page.

Which city has the most volunteer organizations?

London leads with 124 company records, followed by Paris (104) and Sao Paulo (89).

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 25,844 professional contacts with verified work emails tracked across these 11,575 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 22, 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.