Tysan Holdings Limited is a Hong Kong-based investment holding company. The Company has five segments: foundation piling, electrical and mechanical (E&M) engineering and building construction, machinery leasing and trading, property investment and management and property development. Its subsidiaries include Tysan Contractors (Hong Kong) Limited, Tysan Geotechnical Limited, Proficiency Equipment Limited, Proficiency Engineering Limited, Lion Bright Limited and Tysan Management Limited.