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 Metalwork1,196
344900Miscellaneous metalwork627
34490000Miscellaneous metalwork627
344901Fabricated bar joists and concrete reinforcing bars495
34490100Fabricated bar joists and concrete reinforcing bars29
34490101Bars, concrete reinforcing: fabricated steel454
34490102Joists, fabricated bar12
344902Metal plaster bases11
34490201Lath, expanded metal6
34490202Plastering accessories, metal5
344999Miscellaneous metalwork, nec63
34499901Curtain wall, metal17
34499902Curtain walls for buildings, steel10
34499903Custom roll formed products32
34499904Landing mats, aircraft: metal4