6
Metal hardware for doors and windows, namely, lock keepers for use in securing windows and doors, sash lifts, hinges, panel doorstops, handles and locks; metal window and door screens; metal mulling kits comprised of gussets, exterior door and window trim strips, interior door and window trim, and adjoining trim strips; metal building flashing, namely roof window flashings and skylight window flashings
9
Electrical mechanical operators for doors and windows
19
Non-metal windows and window assembly kits comprising non-metal window frame, non-metal sash, glass panels, handles, knobs, and replacement parts thereof; non-metal patio door doors, gliding doors, exterior doors, and door assembly kits comprising non-metal window frame, non-metal sash fasteners, glass panels, handles, knobs, and replacement parts thereof; non-metal grilles for use with windows and doors; window glass and panels, window art glass and decorative glass panels; non-metal window and door insect screens; decorative glass window panels with metal frames, sold as a unit
35
Distributorships and retail store services featuring windows and doors; consumer consultation services in the field of the retail selection of doors and windows
41
Educational services, namely, conducting classes and seminars in the field of planning, placement, and protection of windows and doors for optimum energy efficiency, and distributing course materials in connection therewith; conducting construction workshops and training programs in the field of sales and distributing course materials in connection therewith; computer services, namely providing on-line magazines in the field of window and door care and maintenance