Truimshire is a privately held real estate investment and management firm headquartered in Irvine, California. Established in 2005, the company focuses on acquiring, leasing, and managing office buildings and shopping centers across Southern California. Its portfolio includes properties in Orange, Los Angeles, Riverside, and San Bernardino counties. Truimshire operates through multiple affiliated entities, including Triumshire Realty and Triumshire Management, and provides services such as property management and leasing for commercial spaces. The firm emphasizes long-term investment strategies and has maintained active operations for nearly two decades.