Industry: 3449—Miscellaneous Structural Metal Work
Establishments primarily engaged in manufacturing miscellaneous structural metal work, such as metal plaster bases, fabricated bar joists, and concrete reinforcing bars. Also included in this industry are establishments primarily engaged in custom roll forming of metal.

Bars, concrete reinforcing: fabricated steelLanding mats, aircraft: metal
Curtain wall, metalLath, expanded metal
Custom roll formed products, metalPlastering accessories, metal
Joists, fabricated bar
Codes Titles Number of US Businesses
3449Miscellaneous Metalwork1,184
344900Miscellaneous metalwork650
34490000Miscellaneous metalwork650
344901Fabricated bar joists and concrete reinforcing bars460
34490100Fabricated bar joists and concrete reinforcing bars30
34490101Bars, concrete reinforcing: fabricated steel418
34490102Joists, fabricated bar12
344902Metal plaster bases13
34490201Lath, expanded metal6
34490202Plastering accessories, metal6
344999Miscellaneous metalwork, nec61
34499901Curtain wall, metal17
34499902Curtain walls for buildings, steel10
34499903Custom roll formed products30
34499904Landing mats, aircraft: metal4