Company lists · Data refreshed September 2026

Top 25 Specific population service providers based in the United States

RevenueBase identified 96 company matches for specific population service providers associated with the United States as of September 2026 and tracks 8,242 professional contacts across them, including 2,812 with verified work emails. Los Angeles is the largest hub.

This list covers company matches for specific population service providers associated with the United States, 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 19, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 19, 2026 How this list was built
96Companies
8,242Contacts tracked
2,812Verified emails
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The 25 largest specific population service providers based in the United States

Ranked by team size
Top 25 of 96 company matches for specific population service providers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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 matchGaithersburg, MD, United StatesHQ recorded Sep 19, 2026201-500690 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2Exact matchSeatac, WA, United StatesHQ recorded Sep 19, 2026501-1,000591 contacts →

Exact match

“Lutheran Community Services (LCS) Northwest makes our world a safer, healthier and more hopeful place to live for us all.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchArlington, VA, United StatesHQ recorded Sep 19, 20261,001-5,000563 contacts →

Exact match

“Core to STGi’s mission is serving marginalized or underserved populations and positively impacting communities.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchOlympia Fields, IL, United StatesHQ recorded Sep 19, 2026501-1,000545 contacts →

Exact match

“Aunt Martha’s is a family of more than 550 staff and volunteers.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchLos Angeles, CA, United StatesHQ recorded Sep 19, 2026501-1,000450 contacts →

Exact match

“The People Concern is looking for case managers, nurses, clinicians and more!”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchFramingham, MA, United StatesHQ recorded Sep 19, 2026501-1,000369 contacts →

Exact match

“South Middlesex Opportunity Council (SMOC), founded in 1965 as part of the Federal War on Poverty, has evolved to meet a wider range of challenges that people in our communities…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchSunnyside, NY, United StatesHQ recorded Sep 19, 202651-200363 contacts →

Exact match

“Sunnyside Community Services (SCS) is a community-based nonprofit centered on the belief that every person deserves meaningful support to achieve their aspirations – especially…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact matchNew York, NY, United StatesHQ recorded Sep 19, 2026201-500343 contacts →

Exact match

“Harlem United has been advancing health equity since 1988.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchPurchase, NY, United StatesHQ recorded Sep 19, 2026201-500299 contacts →

Exact match

“Founded in 1954, FSW provides mental health and social services that strengthen and support families, children and individuals at every stage of their lives.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchSacramento, CA, United StatesHQ recorded Sep 19, 202651-200296 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchRockville, MD, United StatesHQ recorded Sep 19, 2026201-500291 contacts →

Exact match

“JSSA is a trusted health and social wellness agency serving the National Capital Region.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchEast Providence, RI, United StatesHQ recorded Sep 19, 2026501-1,000242 contacts →

Exact match

“East Bay Community Action Program (EBCAP) is a private, non-profit 501 (c)(3) corporation.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchPittsburgh, PA, United StatesHQ recorded Sep 19, 2026201-500241 contacts →

Exact match

“For more than 65 years, Familylinks has been proudly serving individuals and families in western Pennsylvania.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchTroy, NY, United StatesHQ recorded Sep 19, 2026201-500203 contacts →

Exact match

“Unity House is a Rensselaer County-based human service agency that provides a wide range of services to meet the otherwise unmet needs of people in our community who are hurting…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 19, 2026501-1,000202 contacts →

Exact match

“Turning Points for Children envisions a thriving community for all.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16Exact matchLincoln, NE, United StatesHQ recorded Sep 19, 2026201-500143 contacts →

Exact match

“CenterPointe offers over 40 programs including mental health and substance use treatment, primary care, rehabilitation, medication management, crisis response, and housing.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchBrooklyn, United StatesHQ recorded Sep 19, 2026201-500128 contacts →

Exact match

“CORE is a minority owned human services and community development organization, headquartered in Washington, DC.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchHazard, KY, United StatesHQ recorded Sep 19, 202651-200122 contacts →

Exact match

“Kentucky River Community Care Inc, Information And More.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchBrooklyn, NY, United StatesHQ recorded Sep 19, 202651-200101 contacts →

Exact match

“Bridging Access to Care, Inc (BAC) serves thousands of residents each year in some of Brooklyn’s most ethnically, racially, and culturally diverse neighborhoods.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchWestbrook, ME, United StatesHQ recorded Sep 19, 2026501-1,00099 contacts →

Exact match

“MAS Community Health is focused on helping individuals and families build natural supports to enhance their quality of life.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchSanta Barbara, CA, United StatesHQ recorded Sep 19, 202651-20096 contacts →

Exact match

“Family Service Agency (FSA) has long been regarded as one of Santa Barbara County’s most reliable and effective nonprofit human service organizations.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 19, 2026201-50095 contacts →

Exact match

“The mission of Community Council is to provide comprehensive mental health and educational services for adults and children.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchJohnston, RI, United StatesHQ recorded Sep 19, 2026201-50086 contacts →

Exact match

“Tri-County Community Action Agency is a private, non-profit organization providing a broad range of services to the most vulnerable populations living in the northwestern region…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchRedding, CA, United StatesHQ recorded Sep 19, 202651-20074 contacts →

Exact match

“Northern Valley Catholic Social Service provides low-cost or free mental health, housing, vocational and support services to individuals and families in California’s Northern…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact matchBuffalo, NY, United StatesHQ recorded Sep 19, 202651-20062 contacts →

Exact match

“Jewish Family Services of Western New York is a nonsectarian, not for profit, community-based health and social service provider that has served its community since 1862.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 96 specific population service providers based in the United States

See the full list, filter by size, metro and specialty, and access 2,812 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Specific population service providers based in the United States at a glance

As of Sep 19, 2026
34.1%Verified-email coverage
85.9Average contacts per company
51-200Median size (employees)
4.2%Largest-city concentration · Los Angeles
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
16
11-50
24
51-200
27
201-500
18
501-1,000
8
1,001-5,000
3

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 96 companies.

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.
What qualifies
Company records associated with the United States whose business descriptions match “specific population service providers” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 2,812 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 19, 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.

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 “specific population service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many specific population service providers are there based in the United States?

RevenueBase identified 96 company matches for specific population service providers associated with the United States 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?

Family Services tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most specific population service providers?

Los Angeles leads with 4 company records, followed by Houston (3) and Minneapolis (3).

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 2,812 professional contacts with verified work emails tracked across these 96 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 19, 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.