3446  Architectural and Ornamental Metalwork

Establishments primarily engaged in manufacturing architectural and
ornamental metalwork, such as stairs and staircases, open steel flooring
(grating), fire escapes, grilles, railings, and fences and gates, except
those made from wire. Establishments primarily engaged in manufacturing
fences and gates from purchased wire are classified in industry 3496; those
manufacturing prefabricated metal buildings and parts are classified in
industry 3448; and those manufacturing miscellaneous metalwork are
classified in industry 3449.