

Founded in 1950
Trinity was founded by a dedicated group of parents in 1950. It was originally a school for children with developmental disabilities.

5,800 Children & Adults
Trinity serves more than 5,800 children and adults who have intellectual and/or developmental disabilities or mental health needs.

32 Communities
Trinity has a presence in 32 Illinois communities in Will, Cook, DuPage, Grundy, Madison, Peoria, Jackson and St. Clair counties.
Trinity Services Celebrates 75 Years of Helping People Flourish!
This year marks the 75th Anniversary of Trinity Services, one of the largest human service organizations in Illinois.
Founded in 1950, Trinity Services has become a nationally recognized leader in the fields of developmental disabilities and behavioral health.
"This is a very special time for Trinity Services," said Thane Dykstra, Ph.D., President and CEO. "We look forward to celebrating with our friends, families, and local communities that have been instrumental to our continued success."
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The yearlong celebration features several fundraising events, including the Tom O'Reilly golf tournament at Ruffled Feathers Golf Club on May 20; Trinity Triumph 5K Walk and Run at the Village Commons on June 24; Better Together Dinner Dance and Auction at DiNolfo's on September 18, and An Evening of Holiday Music and Concert Gala at Butterfield Country Club on December 5.
To learn more, contact Sherry Ladislas, Director of Development, at (815) 717-3750, or email Sherry at sladislas@trinityservices.org
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Trinity Foundation and Trinity Services Pay Tribute to Long-Time Foundation Board Member Klint DeGeus!
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They Deserve More - Support the DSP Wage Increase!
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Open House: The Branch, March 10, 2025!
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Let's Talk Developmental Disabilities - Wednesday, March 19, 2025
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Trinity Celebrates 75 Years of Helping People Flourish!
Grand Opening Celebration of Prairie Trail at the Landings May 12th
418 Landings Drive, New Lenox, IL 60451, Illinois
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