Company lists · Data refreshed September 2026
Top 25 Nonprofit social service providers based in the United States
RevenueBase identified 1,201 nonprofit social service providers headquartered in the United States as of September 2026 and tracks 82,939 professional contacts across them, including 21,995 with verified work emails. New York is the largest hub.
This list covers nonprofit social service providers 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026.
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 social service providers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 12,023 contacts → | ||||
Indirect evidence “Casa de la Familia (CDLF) is a 501(c)(3) non-profit organization founded in 1996 by Clinical Psychologist Dr.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 4,505 contacts → | ||||
Partial evidence “At Volunteers of America, we are more than a nonprofit organization.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 3,330 contacts → | ||||
Partial evidence “Easterseals is a national nonprofit providing expert caregiving and support services across disabilities and stages of life.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,756 contacts → | ||||
Indirect evidence “WE BELIEVE … in compassion, love and respect for all people, especially those who are poor and vulnerable.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 1,502 contacts → | ||||
Indirect evidence “Resources for Human Development is a comprehensive human services organization based in Philadelphia.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 1,288 contacts → | ||||
Indirect evidence “CAMBA serves nearly individuals and families each year, citywide, including over youth.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 888 contacts → | ||||
Indirect evidence “Lutheran Services Florida (LSF) is a non-profit organization transforming lives by ensuring safe children, strong families, and vibrant communities.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 883 contacts → | ||||
Indirect evidence “The Center for Human Development, Inc.(CHD) provides a broad range of high quality, community-oriented human services dedicated to promoting, enhancing, and protecting the dignity…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 879 contacts → | ||||
Indirect evidence “Established since 1972, CNC is a non-profit organization providing human services to persons in need from all racial and ethnic groups.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 844 contacts → | ||||
Indirect evidence “At HELP USA, we work to ensure that everyone has a place to call home.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 815 contacts → | ||||
Indirect evidence “In-Home Supportive Services Consortium is a non-profit home care agency helping frail elderly and disabled persons in San Francisco remain in their homes.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 784 contacts → | ||||
Partial evidence “Lutheran Social Service of Minnesota is the largest, statewide non-profit social service organization in Minnesota with over 2,300 employees serving in 300 communities.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 763 contacts → | ||||
Indirect evidence “Situated alongside Lake Champlain, we are the largest private non-profit human services organization in the State of Vermont.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 762 contacts → | ||||
Partial evidence “BronxWorks helps individuals and families improve their economic and social well-being.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 690 contacts → | ||||
Indirect evidence “From newborns to adults, Family Services, Inc.(FSI), a part of the Sheppard Pratt Health System, provides high-quality services to foster health and well-being in the home, school…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 621 contacts → | ||||
Indirect evidence “Since 1852, Cayuga Centers has been caring for vulnerable children, families, and individuals.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 571 contacts → | ||||
Indirect evidence “BRC is one of New York City's largest providers of housing and services for individuals experiencing homelessness.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 563 contacts → | ||||
Indirect evidence “Core to STGi’s mission is serving marginalized or underserved populations and positively impacting communities.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 555 contacts → | ||||
Indirect evidence “Catholic Charities of Baltimore compassionately cares for more than people every year.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 548 contacts → | ||||
Indirect evidence “Each day YCS cares for approximately 1,500 children, by providing either residential care or in-community and in-home services.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 539 contacts → | ||||
Indirect evidence “We are a not-for-profit organization providing continuing care retirement services, children’s services and community outreach services at our locations in Dallas, Elizabethtown…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 505 contacts → | ||||
Indirect evidence “Jewish Family Service LA is an ‘extended family’ that welcomes and serves people of all ages, ethnicities and religions with compassion and caring.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 487 contacts → | ||||
Indirect evidence “Westhab’s mission is: Building Communities.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 466 contacts → | ||||
Partial evidence “Today, in addition to caring for children, Lutheran Social Services of New York enables individuals to reach their full potential through its LIFE (Lutheran Initiatives for…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 451 contacts → | ||||
Indirect evidence “A New Leaf's mission is helping families, changing lives.” Source: RevenueBase Database · checked Sep 20, 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 social service providers. 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 social service providers.
- Partial evidence
- Its own public description names part of nonprofit social service providers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name nonprofit social service providers. 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 1,201 nonprofit social service providers based in the United States
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Nonprofit social service providers based in the United States at a glance
As of Sep 20, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,201 companies.
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 social service providers, 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.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “nonprofit social service providers”. 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 social service providers), 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 social service providers, 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 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, 21,995 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 20, 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 social service providers by metro
- Nonprofit social service providers in New York42
- Nonprofit social service providers in Los Angeles26
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 social service providers, 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 social service providers are there based in the United States?
RevenueBase identified 1,201 nonprofit social service providers 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?
Casa DE LA Familia, headquartered in Santa Ana, tops this list with the largest team on record.
Which city has the most nonprofit social service providers?
New York leads with 42 headquartered companies, followed by Los Angeles (26) and Chicago (20).
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 21,995 verified decision-maker contacts tracked across these 1,201 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 20, 2026.
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Nonprofit social service providers by geography
- Nonprofit social service providers based in Australia
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- Nonprofit social service providers based in France
- Nonprofit social service providers based in Germany
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- Nonprofit social service providers based in Spain
- Nonprofit social service providers based in the United Kingdom
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.
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