STEELCASE

Floor systems, primarily of metal, consisting primarily of [ metal joists and ] metal floor panels; [ ceiling systems, primarily of metal, consisting of metal suspensions and suspended ceiling tiles; ] and interior building facades in the nature of wall panels with and without doorways, primarily of metal

Architectural wall systems, primarily not of metal, consisting primarily of [ gypsum and ] glass wall panels; and interior building facades in the nature of wall panels with and without doorways, primarily non-metal