

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.
The Latest from Trinity Services
They Deserve More - DSP Wage Initiative 2024
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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!
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From Joliet Township High School with Love!
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31st Annual Tom O'Reilly Memorial Golf Classic, Tuesday, May 20, 2025
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Trinity Services 11th Annual Dinner and Concert Gala!
An evening of holiday music!
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35th Annual Better Together Dinner Dance and Auction
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2024 Trinity Triumph 5K
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30th Annual Tom O'Reilly Memorial Golf Classic, Tuesday, May 21, 2024!
Saddle up on Tuesday, May 21, 2024, for a rootin' tootin' good time at the Trinity Services' "Tumbleweed Tee-Off" to be held at Ruffled Feathers Golf Club in Lemont. $220 per golfer or $880 per foursome. $55 dinner only. Chuckwagon calls everyone to breakfast at 8:15 am!
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Let's Talk Developmental Disabilities
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