TTI is a private, not-for-profit agency that has been providing specialty behavioral health services and training in Michigan ... since 1987. We provide a wide range of community-based services and supports to adults with psychiatric disorders and to those with both co-occurring psychiatric and substance use disorders. We also provide services to children and adults with developmental disabilities and children with emotional impairments. We provide quality recovery-focused services based on an individual's plan of service. All programs are based on each consumer's person-centered planning process and incorporate trauma-informed care, co-occurring mental health and substance use treatment, and integrated healthcare. read more