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Founded in 1950

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

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6,800 Children & Adults

Trinity serves more than 6,800 children and adults who have intellectual and/or developmental disabilities or mental health needs.

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35 Communities

Trinity has a presence in 35 Illinois communities in Will, Cook, DuPage, Grundy, Madison, Peoria, Jackson and St. Clair counties.

Trinity Services is one of the largest social services organizations in Illinois, serving over 6,800 people with disabilities and mental health needs. 

In 2025, Trinity Services received the President's Award from The Council on Quality and Leadership, one of only two organizations to receive this prestigious honor.

Our new video, Making a Difference, highlights Trinity's rich history and wide range of essential services. 

To access this video, click Making a Difference.

Giving Tree 2025

Trinity's mission is to provide the highest quality, person-directed services and support to people with disabilities and mental health needs so they may flourish and lead full and abundant lives. 

Trinity Services is grateful for the ongoing support of our generous donors.  If you would like to donate to Trinity Services, go to Donate to Trinity Services

To learn more, contact Sherry Ladislas, Director of Development, at (815) 717-3750, or email Sherry at sladislas@trinityservices.org

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Let's Talk Developmental Disabilities

New Lenox, Illinois

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New Lenox, Illinois
301 Veterans Parkway

On Wednesday, March 30, 2022, Trinity Services will once again host an open house to discuss the subject of developmental disabilities and the resources available to you.  The event is from 6:30 – 8:00 pm at the Trinity Services headquarters building located at 301 Veterans Parkway in New Lenox, Illinois. 

As the parent, guardian or caregiver of a person with a disability, you may have many questions about the support and assistance available to you. This event with help you gain a greater understanding about the resources available at Trinity Services, Inc. and in Will County.  Teachers, aides and therapists are also welcome to attend.

A presentation will offer you insights into residential options, community day services, behavioral health and employment services, transition programs, guardianship, PUNS, respite care and more. 

To register for this fact-filled forum, please contact Sherry Ladislas, Director of Development, at sladislas@trinityservices.org or call 815-717-3750.  Facemasks are required.

If you have specific questions you would like discussed please submit them in advance to jklouse@trinity-services.org with the Subject: Questions for Forum.