Company lists · Data refreshed November 2026
Top 25 Down syndrome organizations worldwide
RevenueBase identified 1,721 company matches for down syndrome organizations worldwide as of November 2026 and tracks 35,586 professional contacts across them, including 8,055 with verified work emails. The United States is the largest market and Madrid the largest hub.
This list covers company matches for down syndrome organizations worldwide, 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 November 6, 2026. Country and city lists for down syndrome organizations follow the table.
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.
The 25 largest down syndrome organizations worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 998 contacts → | ||||
Exact match “Keystone Human Services is a nonprofit organization dedicated to advancing the human spirit of all people.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 986 contacts → | ||||
Exact match “The Arc is the largest national community-based organization advocating for and serving people with intellectual and developmental disabilities and their families.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 838 contacts → | ||||
Exact match “Best Buddies International is a nonprofit 501(c)(3) organization dedicated to establishing a global volunteer movement that creates opportunities for one-to-one friendships…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 834 contacts → | ||||
Exact match “In January 2022, Bethesda Lutheran Communities changed our name to AbleLight.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 630 contacts → | ||||
Exact match “L'Adapei 69 est l'Association métropolitaine et départementale des parents et amis de personnes handicapées mentales.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 450 contacts → | ||||
Exact match “ANFFAS - Associazione Nazionale di Famiglie e Persone con Disabilità intellettiva e Disturbi del Neurosviluppo è presente ed operante dal 1958 a livello nazionale, regionale e…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 411 contacts → | ||||
Exact match “OneWell Health Care is the largest national community-based organization dedicated to advocating for and supporting individuals with intellectual and developmental disabilities…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 410 contacts → | ||||
Exact match “Adapeila (nouveau nom de l'Adapei de Loire-Atlantique), est une association militante, de parents et d’amis, qui défend les droits des personnes handicapées intellectuelles…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 386 contacts → | ||||
Exact match “The UK's oldest Jewish charity, supporting neurodiverse children and their families and people with neurodevelopmental disabilities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 356 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 312 contacts → | ||||
Exact match “L'Association des Papillons Blancs de Roubaix-Tourcoing est une organisation familiale dédiée au soutien des personnes en situation de handicap mental.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 288 contacts → | ||||
Exact match “Founded more than 70 years ago, Momentum has become the largest nonprofit provider of direct-care services in Southern California for individuals with cerebral palsy, autism, Down…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 264 contacts → | ||||
Exact match “Stichting De Trans ondersteunt mensen met een verstandelijke beperking.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 263 contacts → | ||||
Exact match “GiGi’s Playhouse is the ONLY nationwide network of Down syndrome achievement centers; changing lives through free, results-driven programs for individuals of all ages, families…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 252 contacts → | ||||
Exact match “For six decades, ACDS has been a trusted resource for individuals with Down syndrome, autism, and other developmental disabilities, and families who love them.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 250 contacts → | ||||
Exact match “Catalight breaks down barriers and biases to create a more equitable world so people with developmental disabilities can choose their path.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 246 contacts → | ||||
Exact match “A company dedicated to serving the needs of people with developmental disabilities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 227 contacts → | ||||
Exact match “arc Thrift Stores is a nonprofit organization whose mission is to support programs that benefit individuals living with developmental disabilities and their families.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 225 contacts → | ||||
Exact match “Creating opportunities for independence and acceptance in our communities by supporting people with intellectual and developmental disabilities in making choices, building…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 220 contacts → | ||||
Exact match “Our Mission Empowering those who learn differently, including those with dyslexia, to achieve their true potential.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 212 contacts → | ||||
Exact match “The Arc of North Carolina is committed to securing for all people with intellectual and developmental disabilities the opportunity to choose and realize their goals of where and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 199 contacts → | ||||
Exact match “Gateways Community Services is a private non-profit corporation created in 1981 to establish and maintain programs and services which promote growth and independence for…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 195 contacts → | ||||
Exact match “Understood is a nonprofit focused on shaping the world for difference.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 195 contacts → | ||||
Exact match “Stichting Nieuw Woelwijck, dorpsgemeenschap van geestelijk gehandicapten.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 191 contacts → | ||||
Exact match “Yedei Chesed was founded to support and assist individuals with developmental and intellectual disabilities and their families with personalized service in their unique situations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “down syndrome organizations”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 1,721 down syndrome organizations worldwide
See the full list, filter by size, metro and specialty, and access 8,055 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Down syndrome organizations worldwide at a glance
As of Nov 6, 2026Companies by employee count
Email recency is reported on each country list linked below.
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.
- Coverage
- Every country. Country and city lists for down syndrome organizations are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “down syndrome organizations” 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. 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 8,055 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 November 6, 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.
Down syndrome organizations by location
7 lists · largest firstEvery Down syndrome organizations list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Down syndrome organizations based in the United States729
- Down syndrome organizations based in Spain122
- Down syndrome organizations based in France95
- Down syndrome organizations based in Canada82
- Down syndrome organizations based in the United Kingdom74
- Down syndrome organizations based in Germany35
- Down syndrome organizations based in Italy35
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 “down syndrome organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many down syndrome organizations are there worldwide?
RevenueBase identified 1,721 company matches for down syndrome organizations worldwide as of November 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?
Keystone Human Services tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most down syndrome organizations?
The United States leads with 729 companies, followed by Spain (122) and France (95). Every down syndrome organizations list by country and city is linked on this page.
Which city has the most down syndrome organizations?
Madrid leads with 18 company records, followed by Sao Paulo (15) and Paris (10).
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 8,055 professional contacts with verified work emails tracked across these 1,721 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,721 down syndrome organizations worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 down syndrome organizations worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,721 matching company records for down syndrome organizations worldwide, with 35,586 tracked contacts and 8,055 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 down syndrome organizations worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Keystone Human Serviceskhs.orgHQ: Harrisburg, PA, United StatesReported employees: 1,001-5,000 | Harrisburg, PA, United States | 1,001-5,000 | Exact match | 998 contacts → |
“Keystone Human Services is a nonprofit organization dedicated to advancing the human spirit of all people.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  The ARC Of The United Statesthearc.orgHQ: Washington, DC, United StatesReported employees: Not recorded | Washington, DC, United States | Not recorded | Exact match | 986 contacts → |
“The Arc is the largest national community-based organization advocating for and serving people with intellectual and developmental disabilities and their families.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Best Buddies Internationalbestbuddies.orgHQ: Miami, FL, United StatesReported employees: 201-500 | Miami, FL, United States | 201-500 | Exact match | 838 contacts → |
“Best Buddies International is a nonprofit 501(c)(3) organization dedicated to establishing a global volunteer movement that creates opportunities for one-to-one friendships…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Bethesda Lutheran Communitiesablelight.orgHQ: Watertown, WI, United StatesReported employees: 1,001-5,000 | Watertown, WI, United States | 1,001-5,000 | Exact match | 834 contacts → |
“In January 2022, Bethesda Lutheran Communities changed our name to AbleLight.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Adapei 69adapei69.frHQ: Lyon, FranceReported employees: 1,001-5,000 | Lyon, France | 1,001-5,000 | Exact match | 630 contacts → |
“L'Adapei 69 est l'Association métropolitaine et départementale des parents et amis de personnes handicapées mentales.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Anffas Nazionaleanffas.netHQ: Rome, ItalyReported employees: 10001+ | Rome, Italy | 10001+ | Exact match | 450 contacts → |
“ANFFAS - Associazione Nazionale di Famiglie e Persone con Disabilità intellettiva e Disturbi del Neurosviluppo è presente ed operante dal 1958 a livello nazionale, regionale e…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Onewell Health Careonewell.orgHQ: Lancaster, PA, United StatesReported employees: 1,001-5,000 | Lancaster, PA, United States | 1,001-5,000 | Exact match | 411 contacts → |
“OneWell Health Care is the largest national community-based organization dedicated to advocating for and supporting individuals with intellectual and developmental disabilities…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Adapeilaadapeila.frHQ: Nantes, FranceReported employees: 1,001-5,000 | Nantes, France | 1,001-5,000 | Exact match | 410 contacts → |
“Adapeila (nouveau nom de l'Adapei de Loire-Atlantique), est une association militante, de parents et d’amis, qui défend les droits des personnes handicapées intellectuelles…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Norwoodnorwood.org.ukHQ: Stanmore, United KingdomReported employees: 1,001-5,000 | Stanmore, United Kingdom | 1,001-5,000 | Exact match | 386 contacts → |
“The UK's oldest Jewish charity, supporting neurodiverse children and their families and people with neurodevelopmental disabilities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Partnerships In Community Living, INCpclpartnership.orgHQ: Monmouth, OR, IndiaReported employees: 501-1,000 | Monmouth, OR, India | 501-1,000 | Exact match | 356 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 11 |  LES Papillons Blancs DE Roubaix-Tourcoingpapillonsblancs-rxtg.orgHQ: Tourcoing, FranceReported employees: 1,001-5,000 | Tourcoing, France | 1,001-5,000 | Exact match | 312 contacts → |
“L'Association des Papillons Blancs de Roubaix-Tourcoing est une organisation familiale dédiée au soutien des personnes en situation de handicap mental.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Momentummomentum4all.orgHQ: Woodland Hills, CA, United StatesReported employees: 501-1,000 | Woodland Hills, CA, United States | 501-1,000 | Exact match | 288 contacts → |
“Founded more than 70 years ago, Momentum has become the largest nonprofit provider of direct-care services in Southern California for individuals with cerebral palsy, autism, Down…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Stichting DE Transdetrans.nlHQ: Rolde, NetherlandsReported employees: 1,001-5,000 | Rolde, Netherlands | 1,001-5,000 | Exact match | 264 contacts → |
“Stichting De Trans ondersteunt mensen met een verstandelijke beperking.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Gigi's Playhouse Inc.- Down Syndrome Achievement Centersgigisplayhouse.orgHQ: Hoffman Estates, IL, United StatesReported employees: Not recorded | Hoffman Estates, IL, United States | Not recorded | Exact match | 263 contacts → |
“GiGi’s Playhouse is the ONLY nationwide network of Down syndrome achievement centers; changing lives through free, results-driven programs for individuals of all ages, families…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Acds, INCacds.orgHQ: Plainview, NY, United StatesReported employees: 1,001-5,000 | Plainview, NY, United States | 1,001-5,000 | Exact match | 252 contacts → |
“For six decades, ACDS has been a trusted resource for individuals with Down syndrome, autism, and other developmental disabilities, and families who love them.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Catalightcatalight.orgHQ: Walnut Creek, CA, United StatesReported employees: 501-1,000 | Walnut Creek, CA, United States | 501-1,000 | Exact match | 250 contacts → |
“Catalight breaks down barriers and biases to create a more equitable world so people with developmental disabilities can choose their path.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Inland Respite, INCinlandrespite.comHQ: Corona, CA, United StatesReported employees: 1,001-5,000 | Corona, CA, United States | 1,001-5,000 | Exact match | 246 contacts → |
“A company dedicated to serving the needs of people with developmental disabilities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  ARC Thrift Storesarcthrift.comHQ: Westminster, CO, United StatesReported employees: 1,001-5,000 | Westminster, CO, United States | 1,001-5,000 | Exact match | 227 contacts → |
“arc Thrift Stores is a nonprofit organization whose mission is to support programs that benefit individuals living with developmental disabilities and their families.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  MOKAmoka.orgHQ: Muskegon, MI, United StatesReported employees: 201-500 | Muskegon, MI, United States | 201-500 | Exact match | 225 contacts → |
“Creating opportunities for independence and acceptance in our communities by supporting people with intellectual and developmental disabilities in making choices, building…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Dyslexia Association Of Singapore DASdas.org.sgHQ: SingaporeReported employees: 201-500 | Singapore | 201-500 | Exact match | 220 contacts → |
“Our Mission Empowering those who learn differently, including those with dyslexia, to achieve their true potential.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  The ARC Of North Carolinaarcnc.orgHQ: Raleigh, NC, United StatesReported employees: 501-1,000 | Raleigh, NC, United States | 501-1,000 | Exact match | 212 contacts → |
“The Arc of North Carolina is committed to securing for all people with intellectual and developmental disabilities the opportunity to choose and realize their goals of where and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Gateways Community Servicesgatewayscs.orgHQ: Nashua, NH, United StatesReported employees: 501-1,000 | Nashua, NH, United States | 501-1,000 | Exact match | 199 contacts → |
“Gateways Community Services is a private non-profit corporation created in 1981 to establish and maintain programs and services which promote growth and independence for…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  understood.orgunderstood.orgHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 195 contacts → |
“Understood is a nonprofit focused on shaping the world for difference.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Nieuw Woelwijcknieuwwoelwijck.nlHQ: Sappemeer, NetherlandsReported employees: 501-1,000 | Sappemeer, Netherlands | 501-1,000 | Exact match | 195 contacts → |
“Stichting Nieuw Woelwijck, dorpsgemeenschap van geestelijk gehandicapten.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Yedei Chesed, INCyedei.orgHQ: Spring Valley, NY, United StatesReported employees: 1,001-5,000 | Spring Valley, NY, United States | 1,001-5,000 | Exact match | 191 contacts → |
“Yedei Chesed was founded to support and assist individuals with developmental and intellectual disabilities and their families with personalized service in their unique situations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,721 company matches
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Down syndrome organizations: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,702 records in the displayed employee bands.
19 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,721 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Down syndrome organizations by location
7 lists · largest firstEvery Down syndrome organizations list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Down syndrome organizations based in the United States729
- Down syndrome organizations based in Spain122
- Down syndrome organizations based in France95
- Down syndrome organizations based in Canada82
- Down syndrome organizations based in the United Kingdom74
- Down syndrome organizations based in Germany35
- Down syndrome organizations based in Italy35
Questions about this company list
What does Exact match mean for down syndrome organizations?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many down syndrome organizations did RevenueBase find worldwide?
The saved snapshot records 1,721 matching company records, 35,586 tracked contacts and 8,055 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 down syndrome organizations worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/down-syndrome-organizations.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 down syndrome organizations worldwide
RevenueBase records 1,721 matching company records for down syndrome organizations worldwide, with 35,586 tracked contacts and 8,055 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 down syndrome organizations worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Keystone Human Serviceskhs.org HQ: Harrisburg, PA, United StatesReported employees: 1,001-5,000 | Harrisburg, PA, United States | 1,001-5,000 | Exact match | 998 contacts → |
“Keystone Human Services is a nonprofit organization dedicated to advancing the human spirit of all people.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | The ARC Of The United Statesthearc.org HQ: Washington, DC, United StatesReported employees: Not recorded | Washington, DC, United States | Not recorded | Exact match | 986 contacts → |
“The Arc is the largest national community-based organization advocating for and serving people with intellectual and developmental disabilities and their families.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Best Buddies Internationalbestbuddies.org HQ: Miami, FL, United StatesReported employees: 201-500 | Miami, FL, United States | 201-500 | Exact match | 838 contacts → |
“Best Buddies International is a nonprofit 501(c)(3) organization dedicated to establishing a global volunteer movement that creates opportunities for one-to-one friendships…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Bethesda Lutheran Communitiesablelight.org HQ: Watertown, WI, United StatesReported employees: 1,001-5,000 | Watertown, WI, United States | 1,001-5,000 | Exact match | 834 contacts → |
“In January 2022, Bethesda Lutheran Communities changed our name to AbleLight.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Adapei 69adapei69.fr HQ: Lyon, FranceReported employees: 1,001-5,000 | Lyon, France | 1,001-5,000 | Exact match | 630 contacts → |
“L'Adapei 69 est l'Association métropolitaine et départementale des parents et amis de personnes handicapées mentales.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Anffas Nazionaleanffas.net HQ: Rome, ItalyReported employees: 10001+ | Rome, Italy | 10001+ | Exact match | 450 contacts → |
“ANFFAS - Associazione Nazionale di Famiglie e Persone con Disabilità intellettiva e Disturbi del Neurosviluppo è presente ed operante dal 1958 a livello nazionale, regionale e…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Onewell Health Careonewell.org HQ: Lancaster, PA, United StatesReported employees: 1,001-5,000 | Lancaster, PA, United States | 1,001-5,000 | Exact match | 411 contacts → |
“OneWell Health Care is the largest national community-based organization dedicated to advocating for and supporting individuals with intellectual and developmental disabilities…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Adapeilaadapeila.fr HQ: Nantes, FranceReported employees: 1,001-5,000 | Nantes, France | 1,001-5,000 | Exact match | 410 contacts → |
“Adapeila (nouveau nom de l'Adapei de Loire-Atlantique), est une association militante, de parents et d’amis, qui défend les droits des personnes handicapées intellectuelles…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Norwoodnorwood.org.uk HQ: Stanmore, United KingdomReported employees: 1,001-5,000 | Stanmore, United Kingdom | 1,001-5,000 | Exact match | 386 contacts → |
“The UK's oldest Jewish charity, supporting neurodiverse children and their families and people with neurodevelopmental disabilities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Partnerships In Community Living, INCpclpartnership.org HQ: Monmouth, OR, IndiaReported employees: 501-1,000 | Monmouth, OR, India | 501-1,000 | Exact match | 356 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 11 | LES Papillons Blancs DE Roubaix-Tourcoingpapillonsblancs-rxtg.org HQ: Tourcoing, FranceReported employees: 1,001-5,000 | Tourcoing, France | 1,001-5,000 | Exact match | 312 contacts → |
“L'Association des Papillons Blancs de Roubaix-Tourcoing est une organisation familiale dédiée au soutien des personnes en situation de handicap mental.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Momentummomentum4all.org HQ: Woodland Hills, CA, United StatesReported employees: 501-1,000 | Woodland Hills, CA, United States | 501-1,000 | Exact match | 288 contacts → |
“Founded more than 70 years ago, Momentum has become the largest nonprofit provider of direct-care services in Southern California for individuals with cerebral palsy, autism, Down…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Stichting DE Transdetrans.nl HQ: Rolde, NetherlandsReported employees: 1,001-5,000 | Rolde, Netherlands | 1,001-5,000 | Exact match | 264 contacts → |
“Stichting De Trans ondersteunt mensen met een verstandelijke beperking.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Gigi's Playhouse Inc.- Down Syndrome Achievement Centersgigisplayhouse.org HQ: Hoffman Estates, IL, United StatesReported employees: Not recorded | Hoffman Estates, IL, United States | Not recorded | Exact match | 263 contacts → |
“GiGi’s Playhouse is the ONLY nationwide network of Down syndrome achievement centers; changing lives through free, results-driven programs for individuals of all ages, families…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Acds, INCacds.org HQ: Plainview, NY, United StatesReported employees: 1,001-5,000 | Plainview, NY, United States | 1,001-5,000 | Exact match | 252 contacts → |
“For six decades, ACDS has been a trusted resource for individuals with Down syndrome, autism, and other developmental disabilities, and families who love them.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Catalightcatalight.org HQ: Walnut Creek, CA, United StatesReported employees: 501-1,000 | Walnut Creek, CA, United States | 501-1,000 | Exact match | 250 contacts → |
“Catalight breaks down barriers and biases to create a more equitable world so people with developmental disabilities can choose their path.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Inland Respite, INCinlandrespite.com HQ: Corona, CA, United StatesReported employees: 1,001-5,000 | Corona, CA, United States | 1,001-5,000 | Exact match | 246 contacts → |
“A company dedicated to serving the needs of people with developmental disabilities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | ARC Thrift Storesarcthrift.com HQ: Westminster, CO, United StatesReported employees: 1,001-5,000 | Westminster, CO, United States | 1,001-5,000 | Exact match | 227 contacts → |
“arc Thrift Stores is a nonprofit organization whose mission is to support programs that benefit individuals living with developmental disabilities and their families.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | MOKAmoka.org HQ: Muskegon, MI, United StatesReported employees: 201-500 | Muskegon, MI, United States | 201-500 | Exact match | 225 contacts → |
“Creating opportunities for independence and acceptance in our communities by supporting people with intellectual and developmental disabilities in making choices, building…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Dyslexia Association Of Singapore DASdas.org.sg HQ: SingaporeReported employees: 201-500 | Singapore | 201-500 | Exact match | 220 contacts → |
“Our Mission Empowering those who learn differently, including those with dyslexia, to achieve their true potential.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | The ARC Of North Carolinaarcnc.org HQ: Raleigh, NC, United StatesReported employees: 501-1,000 | Raleigh, NC, United States | 501-1,000 | Exact match | 212 contacts → |
“The Arc of North Carolina is committed to securing for all people with intellectual and developmental disabilities the opportunity to choose and realize their goals of where and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Gateways Community Servicesgatewayscs.org HQ: Nashua, NH, United StatesReported employees: 501-1,000 | Nashua, NH, United States | 501-1,000 | Exact match | 199 contacts → |
“Gateways Community Services is a private non-profit corporation created in 1981 to establish and maintain programs and services which promote growth and independence for…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | understood.orgunderstood.org HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 195 contacts → |
“Understood is a nonprofit focused on shaping the world for difference.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Nieuw Woelwijcknieuwwoelwijck.nl HQ: Sappemeer, NetherlandsReported employees: 501-1,000 | Sappemeer, Netherlands | 501-1,000 | Exact match | 195 contacts → |
“Stichting Nieuw Woelwijck, dorpsgemeenschap van geestelijk gehandicapten.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Yedei Chesed, INCyedei.org HQ: Spring Valley, NY, United StatesReported employees: 1,001-5,000 | Spring Valley, NY, United States | 1,001-5,000 | Exact match | 191 contacts → |
“Yedei Chesed was founded to support and assist individuals with developmental and intellectual disabilities and their families with personalized service in their unique situations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Down syndrome organizations: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,702 records in the displayed employee bands.
19 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,721 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Down syndrome organizations by location
7 lists · largest firstEvery Down syndrome organizations list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Down syndrome organizations based in the United States729
- Down syndrome organizations based in Spain122
- Down syndrome organizations based in France95
- Down syndrome organizations based in Canada82
- Down syndrome organizations based in the United Kingdom74
- Down syndrome organizations based in Germany35
- Down syndrome organizations based in Italy35
Questions about this company list
What does Exact match mean for down syndrome organizations?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many down syndrome organizations did RevenueBase find worldwide?
The saved snapshot records 1,721 matching company records, 35,586 tracked contacts and 8,055 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
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Cite this list
RevenueBase Data Team. Top 25 down syndrome organizations worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/down-syndrome-organizations.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗