Company lists · Data refreshed November 2026

Top 25 Developmental delay intervention centers based in the United States

RevenueBase identified 1,986 company matches for developmental delay intervention centers associated with the United States as of November 2026 and tracks 45,178 professional contacts across them, including 11,655 with verified work emails. New York is the largest hub.

This list covers company matches for developmental delay intervention centers associated with the 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 November 6, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
1,986Companies
45,178Contacts tracked
11,655Verified emails
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The 25 largest developmental delay intervention centers based in the United States

Ranked by team size
Top 25 of 1,986 company matches for developmental delay intervention centers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchMonrovia, CA, United StatesHQ recorded Nov 6, 20261,001-5,0001,935 contacts →

Exact match

“We are a full service provider that specializes in the treatment of autism and other developmental disabilities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchAlameda, CA, United StatesHQ recorded Nov 6, 20261,001-5,0001,029 contacts →

Exact match

“Center for Social Dynamics (CSD) is an organization providing services to those with developmental delays, including autism, in the state of California, Oregon, Washington…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchJohnston, IA, United StatesHQ recorded Nov 6, 20261,001-5,000810 contacts →

Exact match

“ChildServe knows kids and we know specialty healthcare.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchManalapan, NJ, United StatesHQ recorded Nov 6, 20261,001-5,000644 contacts →

Exact match

“Sunny Days, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchDallas, TX, United StatesHQ recorded Nov 6, 20261,001-5,000547 contacts →

Exact match

“Helping children thrive, one milestone at a time.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchPhoenix, AZ, United StatesHQ recorded Nov 6, 2026501-1,000535 contacts →

Exact match

“Southwest Human Development is Arizona’s largest nonprofit dedicated to early childhood development.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchConway, AR, United StatesHQ recorded Nov 6, 20261,001-5,000485 contacts →

Exact match

“Pediatrics Plus is a pediatric healthcare provider specializing in occupational, speech and physical therapy as well as applied behavior analysis.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchColumbia, MD, United StatesHQ recorded Nov 6, 2026501-1,000462 contacts →

Exact match

“Verbal Beginnings is a family-focused network of professionals providing exceptional comprehensive autism services to families across the MD, PA, DE, DC and NoVA region.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMokena, IL, United StatesHQ recorded Nov 6, 2026501-1,000430 contacts →

Exact match

“Westside Children’s Therapy is a privately owned clinic that provides quality therapeutic intervention to children with developmental disabilities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchCincinnati, OH, United StatesHQ recorded Nov 6, 2026501-1,000401 contacts →

Exact match

“Best Point Education & Behavioral Health is a leading provider of over 30 services, specializing in early childhood, education, and behavioral health.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchMadison, WI, United StatesHQ recorded Nov 6, 2026501-1,000390 contacts →

Exact match

“Locations in Madison, Milwaukee, Green Bay, and Eau Claire!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchWestbury, NY, United StatesHQ recorded Nov 6, 2026501-1,000335 contacts →

Exact match

“At Family of Kidz, we bring together highly qualified teams of professionals that work diligently to help individuals with special needs, from birth through adulthood.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchFarmingdale, NY, United StatesHQ recorded Nov 6, 2026501-1,000278 contacts →

Exact match

“New York Therapy is a full-service resource for families who face unique challenges and require additional assistance with their child’s development.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchAustin, TX, United StatesHQ recorded Nov 6, 2026201-500263 contacts →

Exact match

“Stepping Stone School is a comprehensive early care and education program that profoundly nurtures children and prepares them for lifelong happiness.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSyracuse, NY, United StatesHQ recorded Nov 6, 2026501-1,000262 contacts →

Exact match

“Every child deserves a shot at a bright future.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchPlainview, United StatesHQ recorded Nov 6, 20261,001-5,000261 contacts →

Exact match

“All About Kids was founded by Cathy Grossfeld in 1988, later joined by her husband Michael who are both New York State licensed Speech-Language Pathologists and have over 60 years…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchWalnut Creek, CA, United StatesHQ recorded Nov 6, 2026201-500258 contacts →

Exact match

“For more than 90 years, Easterseals Northern California has provided services to people with disabilities and their families to help them achieve their goals.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchWichita, KS, United StatesHQ recorded Nov 6, 2026201-500247 contacts →

Exact match

“As the 30th largest employer in Wichita, KS, serving children throughout the region and country, Heartspring makes life-changing differences for children with neurodevelopmental…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchLos Angeles, MA, United StatesHQ recorded Nov 6, 2026201-500246 contacts →

Exact match

“About NAPA At NAPA Center, we embrace each child’s differences and work with them to overcome their unique challenges.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchFort Lauderdale, FL, United StatesHQ recorded Nov 6, 202651-200243 contacts →

Exact match

“Family Central Inc.(FCI) is a comprehensive, accredited, and multi-cultural social service agency serving children and families in South Florida.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchCuyahoga Falls, OH, United StatesHQ recorded Nov 6, 2026201-500233 contacts →

Exact match

“Since 1967, the County of Summit Developmental Disabilities Board (Summit DD) has been helping children and adults with developmental disabilities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchShelbyville, KY, United StatesHQ recorded Nov 6, 2026201-500218 contacts →

Exact match

“Associates in Pediatric Therapy, LLC, is a family-focused pediatric therapy practice that has proudly served children with developmental delays since 2007.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchBellevue, WA, United StatesHQ recorded Nov 6, 2026201-500213 contacts →

Exact match

“Kindering embraces children of diverse abilities and their families by providing the finest education and therapies to nurture hope, courage, and the skills to soar.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchOklahoma City, OK, United StatesHQ recorded Nov 6, 2026201-500203 contacts →

Exact match

“Established in 1907, Sunbeam is one of Oklahoma’s longest-serving nonprofits.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchEvansville, IN, United StatesHQ recorded Nov 6, 2026201-500203 contacts →

Exact match

“Ireland Home Based Services has worked in the counties of Southern Indiana providing quality home-based services for over 25 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 1,986 developmental delay intervention centers based in the United States

See the full list, filter by size, metro and specialty, and access 11,655 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Developmental delay intervention centers based in the United States at a glance

As of Nov 6, 2026
25.8%Verified-email coverage
22.7Average contacts per company
11-50Median size (employees)
2.9%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
819
11-50
746
51-200
311
201-500
65
501-1,000
22
1,001-5,000
11
10001+
2

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,986 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 the United States whose business descriptions match “developmental delay intervention centers” 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 11,655 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.

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 delay intervention centers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many developmental delay intervention centers are there based in the United States?

RevenueBase identified 1,986 company matches for developmental delay intervention centers associated with the United States 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?

Autism Learning Partners tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most developmental delay intervention centers?

New York leads with 57 company records, followed by Chicago (36) and Los Angeles (26).

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 11,655 professional contacts with verified work emails tracked across these 1,986 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.

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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.