Official definition

This industry comprises establishments primarily engaged in installing glass panes in prepared openings (i.e., glazing work) and other glass work for buildings. The work performed may include new work, additions, alterations, maintenance, and repairs. Illustrative Examples: Decorative glass and mirror installation Glazing contractors Glass cladding installation Stained glass installation Window pane or sheet installation Glass coating and tinting (except automotive) contractors Glass installation (except automotive) contractors Cross-References. Establishments primarily engaged in--