Tri-County Mennonite Homes (TCMH) is a not-for-profit service agency, located in New Hamburg, Ontario, that has provided lead ... ership in service to seniors and developmentally disabled individuals for over 40 years. TCMH is the corporate office that manages three divisions. Greenwood Court, in Stratford and Nithview Community, in New Hamburg provide residential and health care support for seniors, while Aldaview Services provides support to adults with developmental disabilities. read more