Company lists · Data refreshed September 2026
Top 14 Developmental disability service providers based in Washington, United States
RevenueBase identified 25 company matches for developmental disability service providers associated with Washington, United States as of September 2026 and tracks 1,398 professional contacts across them, including 223 with verified work emails. Across the United States, New York is the largest hub for this category (59 companies); Washington has 25.
This list covers company matches for developmental disability service providers associated with Washington, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 19, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 14 largest developmental disability service providers based in Washington, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 944 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 · Sep 19, 2026 · View company records in RevenueBase | |||||
| 2 | 190 contacts → | ||||
Exact match “The mission of St.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 3 | 48 contacts → | ||||
Exact match “Our mission is to inspire people with disabilities to achieve their life goals by providing individualized supports.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 4 | 47 contacts → | ||||
Exact match “L’Arche Greater Washington, D.C.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 5 | 32 contacts → | ||||
Exact match “The Arc is a national organization that serves individuals with developmental and intellectual disabilities and their family members since 1950.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 6 | 27 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 7 | 19 contacts → | ||||
Exact match “Supernova Services provides supports for individuals with Intellectual Disabilities and/or Autism.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 8 | 15 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 9 | 12 contacts → | ||||
Exact match “The National Association of Councils on Developmental Disabilities (NACDD) is a national membership organization representing the 56 State and Territorial Councils on…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 10 | 8 contacts → | ||||
Exact match “Integrated Living Opportunities (ILO)- Building Supportive Communities Integrated Living Opportunities (ILO) is a non-profit organization serving members in Washington, D.C…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 11 | 7 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 12 | 6 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 13 | 4 contacts → | ||||
Exact match “Occupational therapists by trade, Beck Giallella M.S, OTR/L and Morgan Smith M.S, OTR/L recognized the lack of programming for adults with disabilities in the DC area.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 14 | 4 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 19, 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 “developmental disability service providers”. 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 14 of 25 developmental disability service providers based in Washington, United States
See the full list, filter by size, metro and specialty, and access 223 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Developmental disability service providers based in Washington, United States at a glance
As of Sep 19, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 25 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with Washington, United States whose business descriptions match “developmental disability service providers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 223 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 19, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Developmental disability service providers by metro in the United States
- Developmental disability service providers in New York59
- Developmental disability service providers in Phoenix41
- Developmental disability service providers in Columbus40
- Developmental disability service providers in Los Angeles31
- Developmental disability service providers in Indianapolis30
- Developmental disability service providers in Springfield30
- Developmental disability service providers in Chicago28
- Developmental disability service providers in Albuquerque27
- Developmental disability service providers in Portland26
- Developmental disability service providers in Omaha25
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 “developmental disability service providers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many developmental disability service providers are there based in Washington, United States?
RevenueBase identified 25 company matches for developmental disability service providers associated with Washington, United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
The ARC Of The United States tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in the United States has the most developmental disability service providers?
New York leads the United States with 59 company records, followed by Phoenix (41) and Columbus (40). Washington has 25.
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 223 professional contacts with verified work emails tracked across these 25 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 25 developmental disability service providers based in Washington, United States. Start with a free account, no credit card.
Download this list →Related lists
Developmental disability service providers by geography
- Developmental disability service providers based in Adelaide, Australia
- Developmental disability service providers based in Brisbane, Australia
- Developmental disability service providers based in Melbourne, Australia
- Developmental disability service providers based in Sydney, Australia
- Developmental disability service providers based in Calgary, Canada
- Developmental disability service providers based in Toronto, Canada
- Developmental disability service providers based in Winnipeg, Canada
- Developmental disability service providers based in Albuquerque, United States
- Developmental disability service providers based in Atlanta, United States
- Developmental disability service providers based in Austin, United States
- Developmental disability service providers based in Charlotte, United States
- Developmental disability service providers based in Chicago, United States
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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Developmental disability service providers based in Adelaide, Australia
- Developmental disability service providers based in Brisbane, Australia
- Developmental disability service providers based in Melbourne, Australia
- Developmental disability service providers based in Sydney, Australia
- Developmental disability service providers based in Calgary, Canada
- Developmental disability service providers based in Toronto, Canada
Company intelligence · public preview
Top 14 developmental disability service providers based in Washington, United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 25 matching company records for developmental disability service providers based in Washington, United States, with 1,398 tracked contacts and 223 verified work emails.
This public preview shows 14 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 19, 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 14 developmental disability service providers based in Washington, United States
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 |  The ARC Of The United Statesthearc.orgHQ: Washington, DC, United StatesReported employees: Not recorded | Washington, DC, United States | Not recorded | Exact match | 944 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 · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | St. Coletta Of Greater Washingtonstcoletta.org HQ: Washington, DC, United StatesReported employees: 201-500 | Washington, DC, United States | 201-500 | Exact match | 190 contacts → |
“The mission of St.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Abilities Of Northwest Jersey INCabilitiesnw.orgHQ: Washington, NJ, United StatesReported employees: 51-200 | Washington, NJ, United States | 51-200 | Exact match | 48 contacts → |
“Our mission is to inspire people with disabilities to achieve their life goals by providing individualized supports.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | L'arche Greater Washington, DC Gwdclarche-gwdc.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 47 contacts → |
“L’Arche Greater Washington, D.C.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | The ARC Of Warren Countyarcwarren.org HQ: Washington, NJ, United StatesReported employees: 201-500 | Washington, NJ, United States | 201-500 | Exact match | 32 contacts → |
“The Arc is a national organization that serves individuals with developmental and intellectual disabilities and their family members since 1950.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Metro Homes, INCmetrohomeshealthcare.com HQ: Washington, DC, United StatesReported employees: 201-500 | Washington, DC, United States | 201-500 | Exact match | 27 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 |  Supernova Servicessupernovaservices.orgHQ: Washington, PA, United StatesReported employees: 11-50 | Washington, PA, United States | 11-50 | Exact match | 19 contacts → |
“Supernova Services provides supports for individuals with Intellectual Disabilities and/or Autism.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Wholistic Services, INCwholisticservicesinc.com HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 15 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 9 | HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 12 contacts → |
“The National Association of Councils on Developmental Disabilities (NACDD) is a national membership organization representing the 56 State and Territorial Councils on…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Integrated Living Opportunitiesilonow.orgHQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 8 contacts → |
“Integrated Living Opportunities (ILO)- Building Supportive Communities Integrated Living Opportunities (ILO) is a non-profit organization serving members in Washington, D.C…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | The Sunshine Schoolnwasunshineschool.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 | Beaufort County Developmental Center INCbcdcsolutions.org HQ: Washington, NC, United StatesReported employees: 1-10 | Washington, NC, United States | 1-10 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 | Rise DCrisewithusdc.com HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 4 contacts → |
“Occupational therapists by trade, Beck Giallella M.S, OTR/L and Morgan Smith M.S, OTR/L recognized the lack of programming for adults with disabilities in the DC area.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | ADDWCaddwc.org HQ: Washington, IL, United StatesReported employees: 51-200 | Washington, IL, United States | 51-200 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 14 of 25 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
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Developmental disability service providers: dataset insights
September 19, 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
25 records in the displayed employee bands.
0 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 United States list rather than for Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 25 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: September 19, 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 ↗
Developmental disability service providers by metro in the United States
- Developmental disability service providers in New York59
- Developmental disability service providers in Phoenix41
- Developmental disability service providers in Columbus40
- Developmental disability service providers in Los Angeles31
- Developmental disability service providers in Indianapolis30
- Developmental disability service providers in Springfield30
- Developmental disability service providers in Chicago28
- Developmental disability service providers in Albuquerque27
- Developmental disability service providers in Portland26
- Developmental disability service providers in Omaha25
Questions about this company list
What does Exact match mean for developmental disability service providers?
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 developmental disability service providers did RevenueBase find based in Washington, United States?
The saved snapshot records 25 matching company records, 1,398 tracked contacts and 223 verified emails. The public preview displays 14 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: September 19, 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
Developmental disability service providers by geography
- Developmental disability service providers based in Adelaide, Australia
- Developmental disability service providers based in Brisbane, Australia
- Developmental disability service providers based in Melbourne, Australia
- Developmental disability service providers based in Sydney, Australia
- Developmental disability service providers based in Calgary, Canada
- Developmental disability service providers based in Toronto, Canada
- Developmental disability service providers based in Winnipeg, Canada
- Developmental disability service providers based in Albuquerque, United States
- Developmental disability service providers based in Atlanta, United States
- Developmental disability service providers based in Austin, United States
- Developmental disability service providers based in Charlotte, United States
- Developmental disability service providers based in Chicago, United States
Cite this list
RevenueBase Data Team. Top 14 developmental disability service providers based in Washington, United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/developmental-disability-service-providers/united-states/washington.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Developmental disability service providers based in Adelaide, Australia
- Developmental disability service providers based in Brisbane, Australia
- Developmental disability service providers based in Melbourne, Australia
- Developmental disability service providers based in Sydney, Australia
- Developmental disability service providers based in Calgary, Canada
- Developmental disability service providers based in Toronto, Canada
Company intelligence · public preview
Top 14 developmental disability service providers based in Washington, United States
RevenueBase records 25 matching company records for developmental disability service providers based in Washington, United States, with 1,398 tracked contacts and 223 verified work emails.
This public preview shows 14 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 19, 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 14 developmental disability service providers based in Washington, United States
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 | The ARC Of The United Statesthearc.org HQ: Washington, DC, United StatesReported employees: Not recorded | Washington, DC, United States | Not recorded | Exact match | 944 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 · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | St. Coletta Of Greater Washingtonstcoletta.org HQ: Washington, DC, United StatesReported employees: 201-500 | Washington, DC, United States | 201-500 | Exact match | 190 contacts → |
“The mission of St.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Abilities Of Northwest Jersey INCabilitiesnw.org HQ: Washington, NJ, United StatesReported employees: 51-200 | Washington, NJ, United States | 51-200 | Exact match | 48 contacts → |
“Our mission is to inspire people with disabilities to achieve their life goals by providing individualized supports.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | L'arche Greater Washington, DC Gwdclarche-gwdc.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 47 contacts → |
“L’Arche Greater Washington, D.C.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | The ARC Of Warren Countyarcwarren.org HQ: Washington, NJ, United StatesReported employees: 201-500 | Washington, NJ, United States | 201-500 | Exact match | 32 contacts → |
“The Arc is a national organization that serves individuals with developmental and intellectual disabilities and their family members since 1950.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Metro Homes, INCmetrohomeshealthcare.com HQ: Washington, DC, United StatesReported employees: 201-500 | Washington, DC, United States | 201-500 | Exact match | 27 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 | Supernova Servicessupernovaservices.org HQ: Washington, PA, United StatesReported employees: 11-50 | Washington, PA, United States | 11-50 | Exact match | 19 contacts → |
“Supernova Services provides supports for individuals with Intellectual Disabilities and/or Autism.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Wholistic Services, INCwholisticservicesinc.com HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 15 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 9 | HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 12 contacts → |
“The National Association of Councils on Developmental Disabilities (NACDD) is a national membership organization representing the 56 State and Territorial Councils on…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Integrated Living Opportunitiesilonow.org HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 8 contacts → |
“Integrated Living Opportunities (ILO)- Building Supportive Communities Integrated Living Opportunities (ILO) is a non-profit organization serving members in Washington, D.C…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | The Sunshine Schoolnwasunshineschool.org HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 | Beaufort County Developmental Center INCbcdcsolutions.org HQ: Washington, NC, United StatesReported employees: 1-10 | Washington, NC, United States | 1-10 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 | Rise DCrisewithusdc.com HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 4 contacts → |
“Occupational therapists by trade, Beck Giallella M.S, OTR/L and Morgan Smith M.S, OTR/L recognized the lack of programming for adults with disabilities in the DC area.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | ADDWCaddwc.org HQ: Washington, IL, United StatesReported employees: 51-200 | Washington, IL, United States | 51-200 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 14 of 25 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Developmental disability service providers: dataset insights
September 19, 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
25 records in the displayed employee bands.
0 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 United States list rather than for Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 25 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: September 19, 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 ↗
Developmental disability service providers by metro in the United States
- Developmental disability service providers in New York59
- Developmental disability service providers in Phoenix41
- Developmental disability service providers in Columbus40
- Developmental disability service providers in Los Angeles31
- Developmental disability service providers in Indianapolis30
- Developmental disability service providers in Springfield30
- Developmental disability service providers in Chicago28
- Developmental disability service providers in Albuquerque27
- Developmental disability service providers in Portland26
- Developmental disability service providers in Omaha25
Questions about this company list
What does Exact match mean for developmental disability service providers?
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 developmental disability service providers did RevenueBase find based in Washington, United States?
The saved snapshot records 25 matching company records, 1,398 tracked contacts and 223 verified emails. The public preview displays 14 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: September 19, 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.
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Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Developmental disability service providers by geography
- Developmental disability service providers based in Adelaide, Australia
- Developmental disability service providers based in Brisbane, Australia
- Developmental disability service providers based in Melbourne, Australia
- Developmental disability service providers based in Sydney, Australia
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Cite this list
RevenueBase Data Team. Top 14 developmental disability service providers based in Washington, United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/developmental-disability-service-providers/united-states/washington.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Developmental disability service providers based in Adelaide, Australia
- Developmental disability service providers based in Brisbane, Australia
- Developmental disability service providers based in Melbourne, Australia
- Developmental disability service providers based in Sydney, Australia
- Developmental disability service providers based in Calgary, Canada
- Developmental disability service providers based in Toronto, Canada