Company lists · Data refreshed September 2026

Top 21 Nonprofit child services organizations based in Seattle, United States

RevenueBase identified 38 nonprofit child services organizations headquartered in Seattle, United States as of September 2026 and tracks 1,677 professional contacts across them, including 611 with verified work emails. New York is the largest hub.

This list covers nonprofit child services organizations headquartered in Seattle, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 20, 2026 86% judged on-target in blind review
38Companies
1,677Contacts tracked
611Verified emails
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The 21 largest nonprofit child services organizations based in Seattle, United States

Ranked by team size
Top 21 of 38 nonprofit child services organizations based in Seattle, United States, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to nonprofit child services organizations: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceSeattle, WA, United StatesHQ checked Sep 20, 2026201-500478 contacts →

Indirect evidence

“Casey Family Programs is the nation’s largest operating foundation focused on safely reducing the need for foster care while improving the safety and well-being of children.”

Source: RevenueBase Database · checked Sep 20, 2026
2Indirect evidenceSeattle, WA, United StatesHQ checked Sep 20, 202651-200177 contacts →

Indirect evidence

“Treehouse creates opportunities for young people in foster care to thrive.”

Source: RevenueBase Database · checked Sep 20, 2026
3Indirect evidenceSeattle, WA, United StatesHQ checked Sep 20, 202651-200157 contacts →

Indirect evidence

“Helping children, youth, young adults, and their families find their path to healing and hope is at the core of our work.”

Source: RevenueBase Database · checked Sep 20, 2026
4Indirect evidenceSeattle, WA, United StatesHQ checked Sep 20, 202651-20070 contacts →

Indirect evidence

“Private, Non-Profit social services agency providing Counseling, Education, and Family Support to residents of Southwest Seattle, White Center, Burien, South Park, SeaTac and…”

Source: RevenueBase Database · checked Sep 20, 2026
5Indirect evidenceSeattle, United StatesHQ checked Sep 20, 202651-20061 contacts →

Indirect evidence

“Atlantic Street Center (ASC), founded in 1910, is a not-for-profit, social service agency.”

Source: RevenueBase Database · checked Sep 20, 2026
6Indirect evidenceSeattle, WA, United StatesHQ checked Sep 20, 202611-5049 contacts →

Indirect evidence

“Our Mission To transform foster care and end youth homelessness.”

Source: RevenueBase Database · checked Sep 20, 2026
7Indirect evidenceSeattle, WA, United StatesHQ checked Sep 20, 202651-20045 contacts →

Indirect evidence

“Denise Louie Education Center promotes school and life readiness by providing early learning services to children and families that need our services the most.”

Source: RevenueBase Database · checked Sep 20, 2026
8Partial evidenceSeattle, WA, United StatesHQ checked Sep 20, 202611-5034 contacts →

Partial evidence

“Legal Counsel for Youth and Children (LCYC) is a legal nonprofit in Washington state.”

Source: RevenueBase Database · checked Sep 20, 2026
9Indirect evidenceSeattle, WA, United StatesHQ checked Sep 20, 2026n/a31 contacts →

Indirect evidence

“KIDS CLUB AFTER SCHOOL PROGRAM is a company based out of 1242 18TH AVE E, SEATTLE, Washington, United States.”

Source: RevenueBase Database · checked Sep 20, 2026
10Indirect evidenceSeattle, WA, United StatesHQ checked Sep 20, 20261-1028 contacts →

Indirect evidence

“With your generosity, we fund children’s charities that provide marginalized kids with a safe place to call home, a family that loves them, a feeling of community, and…”

Source: RevenueBase Database · checked Sep 20, 2026
11Indirect evidenceSeattle, WA, United StatesHQ checked Sep 20, 202651-20024 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 20, 2026
12Indirect evidenceSeattle, WA, United StatesHQ checked Sep 20, 202651-20020 contacts →

Indirect evidence

“LASER is a non-profit organization providing high-quality, year-round childcare to families in Northeast Seattle.”

Source: RevenueBase Database · checked Sep 20, 2026
13Indirect evidenceSeattle, WA, United StatesHQ checked Sep 20, 20261-1015 contacts →

Indirect evidence

“Northwest Resource Associates is a social services agency helping children, youth, and families thrive.”

Source: RevenueBase Database · checked Sep 20, 2026
14Partial evidenceSeattle, WA, United StatesHQ checked Sep 20, 202611-5011 contacts →

Partial evidence

“WestSide Baby is a nonprofit organization that collects previously owned items for children and babies and distributes them free of charge to King County families in need.”

Source: RevenueBase Database · checked Sep 20, 2026
15Indirect evidenceSeattle, WA, United StatesHQ checked Sep 20, 202611-5011 contacts →

Indirect evidence

“Tiny Tots was founded by Mrs.”

Source: RevenueBase Database · checked Sep 20, 2026
16Indirect evidenceSeattle, WA, United StatesHQ checked Sep 20, 20261-109 contacts →

Indirect evidence

“Seattle Angels mission is to walk alongside children, youth, and families in the foster care community by offering consistent support through intentional giving, relationship…”

Source: RevenueBase Database · checked Sep 20, 2026
17Indirect evidenceSeattle, WA, United StatesHQ checked Sep 20, 202611-508 contacts →

Indirect evidence

“HopeCentral is a pediatric and behavioral health primary care practice in Seattle's Rainier Valley.”

Source: RevenueBase Database · checked Sep 20, 2026
18Partial evidenceSeattle, WA, United StatesHQ checked Sep 20, 20261-103 contacts →

Partial evidence

“Two of the greatest gifts you can give a child are roots to grow and wings to fly.”

Source: RevenueBase Database · checked Sep 20, 2026
19Indirect evidenceSeattle, United StatesHQ checked Sep 20, 20261-103 contacts →

Indirect evidence

“The True North Group is dedicated to providing top-notch, strategic advice to non-profit and government organizations serving vulnerable groups.”

Source: RevenueBase Database · checked Sep 20, 2026
20Indirect evidenceSeattle, WA, United StatesHQ checked Sep 20, 20261-102 contacts →

Indirect evidence

“Education plays a vital role in the lives of infants, toddlers, and young children.”

Source: RevenueBase Database · checked Sep 20, 2026
21Indirect evidenceSeattle, United StatesHQ checked Sep 20, 20261-101 contacts →

Indirect evidence

“Our vision is to help special needs orphans around the world feel valued and find the love of a forever family.”

Source: RevenueBase Database · checked Sep 20, 2026

Showing 21 of 38 nonprofit child services organizations based in Seattle, United States

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Nonprofit child services organizations based in Seattle, United States at a glance

As of Sep 20, 2026
36.4%Verified-email coverage
44.1Average contacts per company
11-50Median size (employees)
302.6%Largest-city concentration · New York
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
16
11-50
9
51-200
10
201-500
3

Email recency for this list is measured across the whole United States list rather than for Seattle, so it is reported there. Company counts and contact totals on this page are exact for Seattle, over 38 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 child services organizations, 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 Seattle, United States whose own description of what they do matches “nonprofit child services organizations”. 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 child services organizations), 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 child services organizations, and records with no verified work email. Companies headquartered outside Seattle 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, 611 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 child services organizations by metro in the United States

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 child services organizations, 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 child services organizations are there based in Seattle, United States?

RevenueBase identified 38 nonprofit child services organizations headquartered in Seattle, 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?

Casey Family Programs, headquartered in Seattle, tops this list with the largest team on record.

Which city has the most nonprofit child services organizations?

New York leads with 115 headquartered companies, followed by Los Angeles (88) and Chicago (83).

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 611 verified decision-maker contacts tracked across these 38 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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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.