Greenbrook TMS Inc., and its associated entities, oversees and runs a broad array of outpatient mental healthcare centers throughout the United States. These specialized clinics primarily deliver transcranial magnetic stimulation (TMS) therapy, an FDA-approved, non-surgical treatment effective for major depressive disorder and various other mental health conditions. Additionally, they provide a suite of related psychiatric services. By the close of 2021, the company's operational reach extended to 149 TMS centers (94 wholly owned and 55 other facilities) dispersed across 17 U.S. states. These states include Virginia, Maryland, Delaware, North Carolina, Missouri, Illinois, Ohio, Texas, Connecticut, Florida, South Carolina, Michigan, Alaska, Oregon, California, Iowa, and Massachusetts. Greenbrook TMS Inc. was founded in 2011 and is headquartered in Toronto, Canada.