331 - Primary Metals - North American Industry Classification System - Primary Metal Manufacturing

331 Primary Metal Manufacturing

3311 Iron and Steel Mills and Ferroalloy Manufacturing
33111 Iron and Steel Mills and Ferroalloy ManufacturingT
331110 Iron and Steel Mills and Ferroalloy Manufacturing
3312 Steel Product Manufacturing from Purchased Steel
33121 Iron and Steel Pipe and Tube Manufacturing from Purchased Steel
331210 Iron and Steel Pipe and Tube Manufacturing from Purchased Steel
33122 Rolling and Drawing of Purchased Steel
331221 Rolled Steel Shape Manufacturing
331222 Steel Wire Drawing

3313 Alumina and Aluminum Production and Processing
33131 Alumina and Aluminum Production and ProcessingT
331313 Alumina Refining and Primary Aluminum Production
331314 Secondary Smelting and Alloying of Aluminum
331315 Aluminum Sheet, Plate, and Foil Manufacturing
Productivity and IE in Aluminum Sheet, Plate, and Foil Manufacturing

331318 Other Aluminum Rolling, Drawing, and Extruding

3314 Nonferrous Metal (except Aluminum) Production and Processing

33141 Nonferrous Metal (except Aluminum) Smelting and Refining
Productivity in Copper Smelting and Refining

331410 Nonferrous Metal (except Aluminum) Smelting and Refining

33142 Copper Rolling, Drawing, Extruding, and AlloyingT
331420 Copper Rolling, Drawing, Extruding, and Alloying
33149 Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, Extruding, and AlloyingT
331491 Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding
331492 Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum)

3315 Foundries

33151 Ferrous Metal Foundries
331511 Iron Foundries
331512 Steel Investment Foundries
331513 Steel Foundries (except Investment)



33152 Nonferrous Metal FoundriesT
331523 Nonferrous Metal Die-Casting Foundries
331524 Aluminum Foundries (except Die-Casting)
331529 Other Nonferrous Metal Foundries (except Die-Casting)

Productivity, Industrial Engineering and Lean Initiatives in Primary Metal Manufacturing

331 Primary Metal Manufacturing

3311 Iron and Steel Mills and Ferroalloy Manufacturing
33111 Iron and Steel Mills and Ferroalloy ManufacturingT
331110 Iron and Steel Mills  - Productivity, IE and Lean
             Ferroalloy Manufacturing
3312 Steel Product Manufacturing from Purchased Steel
33121 Iron and Steel Pipe and Tube Manufacturing from Purchased Steel
331210 Iron and Steel Pipe and Tube Manufacturing from Purchased Steel
33122 Rolling and Drawing   - Productivity and IE/Lean  of Purchased Steel
331221 Rolled Steel Shape Manufacturing
331222 Steel Wire Drawing  Productivity and IE

3313 Alumina and Aluminum Production and ProcessingT
33131 Alumina and Aluminum Production and ProcessingT
331313 Alumina Refining and Primary Aluminum Production
331314 Secondary Smelting and Alloying of Aluminum
331315 Aluminum Sheet, Plate, and Foil Manufacturing
331318 Other Aluminum Rolling, Drawing, and Extruding

3314 Nonferrous Metal (except Aluminum) Production and ProcessingT
33141 Nonferrous Metal (except Aluminum) Smelting and RefiningT
           Copper Smelting and Refining
331410 Nonferrous Metal (except Aluminum) Smelting and Refining
33142 Copper Rolling, Drawing, Extruding, and AlloyingT
331420 Copper Rolling, Drawing, Extruding, and Alloying
33149 Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, Extruding, and AlloyingT
331491 Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding
331492 Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum)

3315 Foundries
33151 Ferrous Metal Foundries
331511 Iron Foundries
331512 Steel Investment Foundries
331513 Steel Foundries (except Investment)
33152 Nonferrous Metal FoundriesT
331523 Nonferrous Metal Die-Casting Foundries
331524 Aluminum Foundries (except Die-Casting)
331529 Other Nonferrous Metal Foundries (except Die-Casting)