37 Building construction services; Building construction services for residential and commercial buildings and properties; Construction consultancy; Installation services, namely, of electrical systems, window treatments, lighting systems, and acoustic systems; Installation services for solar, lighting, sound and acoustic solutions, specifically, window treatments and acoustic wall and ceiling sound dampening systems; Cleaning of window treatments; Installation of furnishings and window treatments; Smart Building construction consulting; Building construction performance consulting; Repair and renovation of window treatments and acoustical products; Installation of electrical systems for motorized window blinds and window shades for commercial and residential buildings; Installation, maintenance and repair of window treatments, window blinds, window shades, motorized window coverings and commercial and residential buildings; Providing information related to the installation, maintenance and repair of window treatments, window blinds, window shades, motorized window coverings for commercial and residential buildings; Window blind installation and repair; Maintenance and repair services, namely, of electrical systems, window treatments, lighting systems, and acoustic wall and ceiling systems; Installation of window treatments; installation of lighting systems; installation of acoustic systems