Company lists · Data refreshed September 2026
Top 25 Specific population service providers based in the United States
RevenueBase identified 96 specific population service providers headquartered in 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 specific population 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 19, 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 specific population service providers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 591 contacts → | ||||
Indirect evidence “Lutheran Community Services (LCS) Northwest makes our world a safer, healthier and more hopeful place to live for us all.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 563 contacts → | ||||
Partial evidence “Core to STGi’s mission is serving marginalized or underserved populations and positively impacting communities.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 545 contacts → | ||||
Indirect evidence “Aunt Martha’s is a family of more than 550 staff and volunteers.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 450 contacts → | ||||
Indirect evidence “The People Concern is looking for case managers, nurses, clinicians and more!” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 369 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 363 contacts → | ||||
Indirect evidence “Sunnyside Community Services (SCS) is a community-based nonprofit centered on the belief that every person deserves meaningful support to achieve their aspirations – especially…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 343 contacts → | ||||
Indirect evidence “Harlem United has been advancing health equity since 1988.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 299 contacts → | ||||
Indirect evidence “Founded in 1954, FSW provides mental health and social services that strengthen and support families, children and individuals at every stage of their lives.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 296 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 291 contacts → | ||||
Indirect evidence “JSSA is a trusted health and social wellness agency serving the National Capital Region.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 242 contacts → | ||||
Indirect evidence “East Bay Community Action Program (EBCAP) is a private, non-profit 501 (c)(3) corporation.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 241 contacts → | ||||
Indirect evidence “For more than 65 years, Familylinks has been proudly serving individuals and families in western Pennsylvania.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 203 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 202 contacts → | ||||
Indirect evidence “Turning Points for Children envisions a thriving community for all.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 143 contacts → | ||||
Indirect evidence “CenterPointe offers over 40 programs including mental health and substance use treatment, primary care, rehabilitation, medication management, crisis response, and housing.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 128 contacts → | ||||
Indirect evidence “CORE is a minority owned human services and community development organization, headquartered in Washington, DC.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 122 contacts → | ||||
Indirect evidence “Kentucky River Community Care Inc, Information And More.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 101 contacts → | ||||
Indirect evidence “Bridging Access to Care, Inc (BAC) serves thousands of residents each year in some of Brooklyn’s most ethnically, racially, and culturally diverse neighborhoods.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 99 contacts → | ||||
Indirect evidence “MAS Community Health is focused on helping individuals and families build natural supports to enhance their quality of life.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 96 contacts → | ||||
Indirect evidence “Family Service Agency (FSA) has long been regarded as one of Santa Barbara County’s most reliable and effective nonprofit human service organizations.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 95 contacts → | ||||
Indirect evidence “The mission of Community Council is to provide comprehensive mental health and educational services for adults and children.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 86 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 74 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 62 contacts → | ||||
Indirect evidence “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.” Source: RevenueBase Database · checked Sep 19, 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: specific population 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 specific population service providers.
- Partial evidence
- Its own public description names part of specific population service providers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name specific population 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 96 specific population service providers based in the United States
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Specific population service providers based in the United States at a glance
As of Sep 19, 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 96 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 specific population 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 “specific population 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 specific population 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 specific population 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, 2,812 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 19, 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.
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 specific population 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 specific population service providers are there based in the United States?
RevenueBase identified 96 specific population 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?
Family Services, headquartered in Gaithersburg, tops this list with the largest team on record.
Which city has the most specific population service providers?
Los Angeles leads with 4 headquartered companies, 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 the top results, verified emails and direct dials included. Upgrading unlocks all 2,812 verified decision-maker contacts tracked across these 96 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 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 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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