Company lists · Data refreshed November 2026

Top 25 Flood relief nonprofits worldwide

RevenueBase identified 541 company matches for flood relief nonprofits worldwide as of November 2026 and tracks 42,932 professional contacts across them, including 3,333 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for flood relief nonprofits 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 November 6, 2026. Country and city lists for flood relief nonprofits 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 Nov 6, 2026 How this list was built
541Companies
42,932Contacts tracked
3,333Verified emails
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The 25 largest flood relief nonprofits worldwide

Ranked by team size
Top 25 of 541 company matches for flood relief nonprofits worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchMorristown, United StatesHQ recorded Nov 6, 2026n/a24,855 contacts →

Exact match

“International Mission of Mercy (IMM) was founded in 1991 by Satish Mehtani, a veteran of disaster relief missions in Kuwait, Japan and at the World Trade Center following…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchMéxico, MexicoHQ recorded Nov 6, 20265,001-10,0003,102 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 · Nov 6, 2026 · View company records in RevenueBase
3Exact matchMandaluyong City, PhilippinesHQ recorded Nov 6, 2026501-1,0002,015 contacts →

Exact match

“The Philippine Red Cross is a non-profit, donor-funded, volunteer, humanitarian organization.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchKøbenhavn Ø, DenmarkHQ recorded Nov 6, 2026501-1,0001,401 contacts →

Exact match

“We invite you to join the community of Danish Red Cross.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchEcublens, SwitzerlandHQ recorded Nov 6, 20261,001-5,0001,219 contacts →

Exact match

“We believe each life matters.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchHelsinki, FinlandHQ recorded Nov 6, 20261,001-5,000625 contacts →

Exact match

“Finnish Red Cross is the one of the largest civic organizations in Finland.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchJakarta Selatan, IndonesiaHQ recorded Nov 6, 2026201-500454 contacts →

Exact match

“ACT Foundation | Aksi Cepat Tanggap is a humanitarian organization which focuses on natural and humanitarian integrated disaster management, covering emergency, rescue, medical…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchNew Orleans, LA, United StatesHQ recorded Nov 6, 202651-200331 contacts →

Exact match

“SBP is a national social impact organization dedicated to empowering communities to shrink the time between disaster and recovery by rebuilding homes, increasing preparedness and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchLos Angeles, United StatesHQ recorded Nov 6, 2026501-1,000330 contacts →

Exact match

“CORE (Community Organized Relief Effort) is a global humanitarian organization that delivers immediate response and long-term recovery solutions to underserved communities across…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202651-200298 contacts →

Exact match

“United Way of Greater Houston creates opportunities for every person in our community to thrive.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchTel Aviv, IsraelHQ recorded Nov 6, 2026201-500262 contacts →

Exact match

“Founded in 2001 as a coalition of Israeli organizations working in disaster relief and international development, IsraAID has grown into an independent NGO and the largest…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchIjsselstein, NetherlandsHQ recorded Nov 6, 2026501-1,000250 contacts →

Exact match

“Geluk herstellen, dat is wat wij doen!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchMattapoisett, MA, United StatesHQ recorded Nov 6, 202651-200247 contacts →

Exact match

“Mission: All Hands and Hearts effectively and efficiently addresses the immediate and long-term needs of communities impacted by disasters.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchManchester, United KingdomHQ recorded Nov 6, 20261,001-5,000233 contacts →

Exact match

“We are Action For Humanity.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBonn, GermanyHQ recorded Nov 6, 2026201-500228 contacts →

Exact match

“Ever since its inception in 1981, “Help – Hilfe zur Selbsthilfe” has been committed to providing people in need with prompt, sustainable and long-term aid and support.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchTruro, United KingdomHQ recorded Nov 6, 202651-200209 contacts →

Exact match

“ShelterBox provides emergency shelter and vital supplies to support communities around the world overwhelmed by disaster and humanitarian crisis.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchMarietta, GA, United StatesHQ recorded Nov 6, 202651-200209 contacts →

Exact match

“Epic is the leader in disaster preparedness, response and recovery in the Southeast.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchVirginia Beach, United StatesHQ recorded Nov 6, 202651-200199 contacts →

Exact match

“We are hiring!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchAlexandria, VA, United StatesHQ recorded Nov 6, 202651-200175 contacts →

Exact match

“Islamic Relief USA™ (IRUSA™) was founded in California in 1993 as a 501 (c)(3) tax exempt charity involved in international humanitarian relief efforts.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchMclean, TX, United StatesHQ recorded Nov 6, 202651-200152 contacts →

Exact match

“UMR is a registered 501 (c)(3) non-profit organization that provides livelihood and disaster relief and recovery services to the underserved, specializing in the Health, WASH…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchBaton Rouge, CO, United StatesHQ recorded Nov 6, 2026501-1,000149 contacts →

Exact match

“The Workforce Group is part of the 1LEMOINE Team of Companies that provides a full suite of services specializing in disaster relief, strategic project planning, rapid staffing…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchLos Angeles, CA, United StatesHQ recorded Nov 6, 202651-200147 contacts →

Exact match

“The American Red Cross prevents and alleviates human suffering in the face of emergencies by mobilizing the power of volunteers and the generosity of donors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchCharlotte, NC, United StatesHQ recorded Nov 6, 202651-200110 contacts →

Exact match

“Global Support and Development (GSD) is a humanitarian nonprofit organization whose vision is to ensure that every community is able to recover from disaster.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchWarsaw, PolandHQ recorded Nov 6, 202651-20095 contacts →

Exact match

“PCPM is a non-profit organization specializing in crisis preparedness, emergency response, humanitarian aid, and development assistance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchCincinnati, OH, United StatesHQ recorded Nov 6, 202651-20095 contacts →

Exact match

“Matthew 25: Ministries is an international humanitarian aid and disaster relief organization helping the poorest of the poor and disaster victims locally, regionally, nationally…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 541 flood relief nonprofits worldwide

See the full list, filter by size, metro and specialty, and access 3,333 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Flood relief nonprofits worldwide at a glance

As of Nov 6, 2026
7.8%Verified-email coverage
79.4Average contacts per company
1-10Median size (employees)
1.8%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
303
11-50
126
51-200
67
201-500
18
501-1,000
10
1,001-5,000
11
5,001-10,000
3
10001+
1

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 flood relief nonprofits are linked below.
What qualifies
Company records worldwide whose business descriptions match “flood relief nonprofits” 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 3,333 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 November 6, 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.

Flood relief nonprofits by location

1 lists · largest first

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

Countries

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 “flood relief nonprofits”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many flood relief nonprofits are there worldwide?

RevenueBase identified 541 company matches for flood relief nonprofits worldwide as of November 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?

International Mission Of Mercy IMM tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most flood relief nonprofits?

The United States leads with 286 companies. Every flood relief nonprofits list by country and city is linked on this page.

Which city has the most flood relief nonprofits?

Houston leads with 10 company records, followed by New York (7) and Los Angeles (6).

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 3,333 professional contacts with verified work emails tracked across these 541 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 November 6, 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.