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People inspired by purpose.®

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Community Partners

Today, DDI is a dynamic, non-profit, multi-site agency, each day serving hundreds of children and adults with autism and other developmental disabilities, providing educational, residential, habilitative, vocational, transportation, and service coordination support to the Long Island community.
 
College/University Affiliations
St. Joseph’s College
Hofstra University
Long Island University
Adelphi University
Stony Brook University
St. John’s University
Suffolk Community College
State University of New York at Old Westbury
New York Institute of Technology
 
Corporate Affiliations
Better Business Bureau
United Way
Long Island Association
 
Provider Associations
Long Island Select Healthcare
Interagency Council of Development Disabilities Agencies, Inc.
Alliance of Long Island Agencies
The Center for Discovery
Cerebral Palsy Associations of New York State
Upstate Cerebral Palsy
Coalition of Provider Associations
Advance Care Alliance
 
Employers of the People we Support
Bj's Wholesale Club
Kmart
Brentwood Library
McDonalds
Trader Joes
Best Market
Stop & Shop
Maywood Elementary
Gurwin Nursing home
Long Island DDRO
South Shore's Children Center
Shoprite
Developmental Disabilities Institute
TJ Maxx
Nick & Gina’s Pizzeria
Loews AMC Theatre
Carrabas
Staples
Walgreens
Vibs
Some Guys Car Wash
East End Disabilities
Blink Fitness Gym
Target
Herbie's Crumb Cakes
Blue Duck Bakery
Key Food
Port Jeff Bowling
Coram Bowling
Long Island Ducks Stadium
Apple Bees
Main Event Farmingdale
Port Jefferson Ambulance
South Shore Home Health
Wee Luv Em Day Care
Tor Comics
CVS
Vets Choice
Enterprise Inquiries
John Stanley Office Equipment
CVS
Bed Bath & Beyond
Whitman Food Service East Islip High School
CNA Cleaning Supplies
Garage Eatery
Sears
Walmart
VE Power Door
Financial Center
Elwood Cinemas
Dave & Busters
Kohl’s
Big Lots
Nature’s Bounty
Abra Kadata
Freeport Village clerk
Riverhead library
Contract Pharmacal

Leadership

 Meet our Senior Leaders and Board of Directors

Strategic Plan

Developmental Disabilities Institute (DDI) has been assisting individuals with developmental disabilities and their families on Long Island for almost 60 years.
 
During that time, we have evolved and grown, serving larger numbers of people and expanding the types of supports and services we provide.
 
Our evolution has always been focused on delivering on our mission to help children and adults with autism and other developmental disabilities experience growth and fulfillment.
 

Why DDI?

Robert's team goes above and beyond the call of duty.

The classroom teacher, behavior specialist and the teaching assistants in his classroom have been nothing short of amazing. They are so wonderful in communicating with us and they share in the joys and excitement we have regarding our son's accomplishments.
~Siobhan Domingo, Early Childhood Parent