Company lists · Data refreshed September 2026
Top 25 Intervention services worldwide
RevenueBase identified 7,641 intervention services worldwide as of September 2026 and tracks 223,292 professional contacts across them, including 60,642 with verified work emails. The United States is the largest market and New York the largest hub.
This list covers intervention services worldwide, 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. Country and city lists for intervention services follow the table.
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 intervention services worldwide
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 | 3,533 contacts → | ||||
Indirect evidence “Devereux is one of the nation’s largest nonprofit organizations, providing services, insight and leadership in the evolving field of behavioral healthcare.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 3,469 contacts → | ||||
Indirect evidence “Atención especializada en el campo de la salud mental” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 3,188 contacts → | ||||
Indirect evidence “Transforming the lives of children, families, and communities together through our exceptional therapeutic and behavioral services.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 3,120 contacts → | ||||
Indirect evidence “Youth Villages is a national leader in mental and behavioral health committed to finding the most effective solutions to help children, families and young adults overcome…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 2,855 contacts → | ||||
Indirect evidence “We provide services to individuals with behavior challenges & skill deficits that affect their ability to function effectively in home, school, & community Mission We use the…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 2,382 contacts → | ||||
Indirect evidence “At RHA Health Services, the people we serve and support are at the very center of everything we do.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 2,304 contacts → | ||||
Indirect evidence “Merakey is a leading developmental, behavioral health and education non-profit provider offering a breadth of integrated services to individuals and communities across the country.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 2,163 contacts → | ||||
Indirect evidence “Elwyn is proud to be a premier provider of support, treatment, and education for individuals with intellectual and developmental disabilities (I/DD), autism, and behavioral health…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 1,828 contacts → | ||||
Indirect evidence “We are a full service provider that specializes in the treatment of autism and other developmental disabilities.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 1,743 contacts → | ||||
Indirect evidence “YAI is committed to providing first-rate, essential services for people with intellectual and developmental disabilities and/or behavioral health needs to enable living, loving…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 1,631 contacts → | ||||
Indirect evidence “A Rivierduin has traditionally been a place where people seek shelter and feel safer.’ GGZ Rivierduinen provides mental health care to people of all ages with serious…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 1,543 contacts → | ||||
Indirect evidence “At MHMR of Tarrant County we change lives.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 1,522 contacts → | ||||
Indirect evidence “GGz Breburg biedt hulp aan mensen van alle leeftijden met psychiatrische en/of ernstige psychosociale problemen.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 1,350 contacts → | ||||
Indirect evidence “Bijna één op de vier Nederlanders krijgt in zijn of haar leven te maken met psychische problemen.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 1,319 contacts → | ||||
Indirect evidence “Vinfen is one of the most dynamic and innovative health and human services organizations in the country.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 1,281 contacts → | ||||
Indirect evidence “For over 70 years, Eliot has been providing hope, healing and opportunity to children, youth, families, and adults throughout Massachusetts.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 1,243 contacts → | ||||
Indirect evidence “For more than four decades, Seneca has offered a simple promise to each youth and every family we serve: No matter how profound the difficulties you face, we will be with you…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 1,235 contacts → | ||||
Indirect evidence “Fraser is Minnesota’s largest and most experienced provider of autism and early childhood mental health services.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 1,235 contacts → | ||||
Indirect evidence “Wij zijn er voor mensen met een ernstige psychische aandoening en hun naasten.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 1,126 contacts → | ||||
Indirect evidence “ABOUT KIDSPEACE KidsPeace is a private charity dedicated to serving the behavioral and mental health needs of children, families and communities.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 1,125 contacts → | ||||
Indirect evidence “Youz ondersteunt kinderen en jongeren met uiteenlopende psychische of verslavingsproblemen, van beginnende klachten tot meer complexe problematiek.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 1,103 contacts → | ||||
Indirect evidence “Established in 1958, Monarch is a premier nonprofit organization that provides innovative support to thousands of people with intellectual and developmental disabilities, mental…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 1,045 contacts → | ||||
Indirect evidence “GGZ Delfland is een van de oudste instellingen voor geestelijke gezondheidszorg.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 1,040 contacts → | ||||
Indirect evidence “A community-based non-profit organization serving more than people a year in Massachusetts, Riverside Community Care offers a wide range of mental healthcare, developmental and…” 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: intervention services. 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 intervention services.
- Partial evidence
- Its own public description names part of intervention services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name intervention services. 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 7,641 intervention services worldwide
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Intervention services worldwide at a glance
As of Sep 20, 2026Companies by employee count
Email recency is reported on each country list linked below.
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 intervention services, 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.
- Coverage
- Every country. Country and city lists for intervention services are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “intervention services”. 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 intervention services), 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 intervention services, and records with no verified work email.
- 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, 60,642 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.
Intervention services by location
18 lists · largest firstEvery Intervention services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Intervention services based in the United States4,556
- Intervention services based in Canada300
- Intervention services based in India259
- Intervention services based in Australia224
- Intervention services based in the Netherlands159
- Intervention services based in Germany143
- Intervention services based in the United Kingdom128
- Intervention services based in Denmark27
Cities
- Intervention services based in New York, United States68
- Intervention services based in Los Angeles, United States55
- Intervention services based in Chicago, United States52
- Intervention services based in Phoenix, United States39
- Intervention services based in Houston, United States38
- Intervention services based in Baltimore, United States37
- Intervention services based in Richmond, United States37
- Intervention services based in Charlotte, United States35
- Intervention services based in Philadelphia, United States35
- Intervention services based in Denver, United States32
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 intervention services, 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 intervention services are there worldwide?
RevenueBase identified 7,641 intervention services worldwide 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 country has the most intervention services?
The United States leads with 4,556 companies, followed by Canada (300) and India (259). Every intervention services list by country and city is linked on this page.
Which city has the most intervention services?
New York leads with 68 headquartered companies, followed by Los Angeles (56) and Chicago (52).
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 60,642 verified decision-maker contacts tracked across these 7,641 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.