34460 - Architectural & Ornamental work, except curtain, Wall & other Exterior panels
3446007 - - Warm air or Air conditioning grilles, Registers & Air diffusers: Iron & Steel
3446009 - - Warm air or Air conditioning grilles, Registers & Air diffusers: Aluminum
3446012 - - Grilles + Open mesh partitions: Iron & Steel
3446017 - - Grilles + Open mesh partitions: Aluminum
3446022 - - Fences & Gates, other than Wire (Iron, Steel & Aluminum)
3446031 - - Stairs, Staircases, Fire escapes & Railings: Iron & Steel
3446036 - - Stairs, Staircases, Fire escapes & Railings: Aluminum
3446041 - - Open flooring & Grating for Building construction: Iron & Steel
3446046 - - Open flooring & Grating for Building construction: Aluminum
3446049 - - Load bearing & Nonload bearing studs (Iron, Steel & Aluminum)
3446051 - - Window guards & Railings, (Iron, Steel & Aluminum)
3446054 - - Architectural & Ornamental metal work: Iron & Steel
3446056 - - Architectural & Ornamental metal work: Aluminum
3446062 - - Architectural & Ornamental metal work other than Aluminum or Steel
34461 - Grilles, Registers & Air diffusers
3446110 - - Iron & Steel warm air or Air-conditioning grills, Registers & Air diffusers
3446112 - - Aluminum warm air or Air-conditioning grills, Registers & Air diffusers
3446115 - - Other Iron & Steel grills (incl Open mesh partitions)
3446117 - - Other Aluminum grills (incl Open mesh partitions)
3446199 - - Grilles, Registers & Air diffusers (Miscellaneous)
34462 - Stairs, Railings, Fences & Gates (other than Wire)
3446210 - - Iron & Steel stairs, Staircases & Fire escapes
3446212 - - Aluminum stairs, Staircases & Fire escapes
3446220 - - Iron & Steel fences & Gates (other than Wire)
3446222 - - Aluminum fences & Gates (other than Wire)
3446226 - - Metal railings & Window guards (Iron, Steel & Aluminum, other than Wire)
3446299 - - Metal stairs, Railings, Fences & Gates (other than Wire) (Miscellaneous)
34463 - Open flooring, Grating & Studs
3446310 - - Open iron & Steel flooring & Grating for Building construction
3446312 - - Open aluminum flooring & Grating for Building construction
3446320 - - Nonload-bearing studs (Iron, Steel & Aluminum)
3446322 - - Load-bearing studs (Iron, Steel & Aluminum)
3446399 - - Open flooring, Grating & Studs (Miscellaneous)
34464 - Scaffolding; Shoring & Forming for Concrete work
3446410 - - Suspended scaffolding, incl Midpoint, Two-point, Multilevel, Boatswain chairs, etc. (Iron, Steel & Aluminum)
3446413 - - Access scaffolding, incl Tube & Coupler system, Prefabricated mobil scaffolds, etc. (Iron, Steel & Aluminum)
3446416 - - Shoring, incl Flying forms, Postshores, Ellis clamps, Reshores, etc. (Iron, Steel & Aluminum)
3446418 - - Forming, incl Modular, Prefabricated, etc. (Iron, Steel, Aluminum & all other Material-metal combinations)
3446499 - - Scaffolding, Shoring & Forming for Concrete work (Miscellaneous)
34465 - Miscellaneous architectural & Ornamental work
3446510 - - Other Iron & Steel architectural & Ornamental work
3446512 - - Other Aluminum architectural & Ornamental work
3446530 - - Other Metal architectural & Ornamental work (other than Iron, Steel, or Aluminum)
3446599 - - Other Architectureal & Ornamental work (Miscellaneous)
3446XX0 - - Architectural metal work (Miscellaneous - Volume)
3446XX2 - - Architectural metal work (Miscellaneous - Speciality)