37 installation and repair of manual and electronic doors, door systems, door opening systems for buildings, weather stripping, and door locks; modification of doors and door systems, namely resizing of doors, door frames, and door components; wood and plastic restoration and cleaning; welding of metal door components; installation and modification of metal doors and frames, wood and plastic doors, specialty doors, entrances and store fronts, glazing, glazed curtain wall, wood and plastic material, finish carpentry, namely wall finishes, acoustical treatments, paints and coatings, architectural woodwork, structural plastics, plastic fabrications, specialty building products, namely visual display boards, compartments and cubicles, louvers and vents, grilles and screens, service walls, wall and corner guards, access flooring, pest control, fireplaces and stoves, manufactured exterior specialties, flagpoles, identification devices, pedestrian control devices, lockers, fire protection specialties, partitions, storage shelving, exterior protection, telephone specialties, toilet, bath, and laundry accessories, wardrobe and closet specialties, windows, vision panels, window materials, and skylights