U. S. Small Business Administration

327125 Nonclay Refractory Manufacturing 750327211 Flat Glass Manufacturing 1,000327212Other Pressed and Blown Glass and GlasswareManufacturing750327213 Glass Container Manufacturing 750327215 Glass Product Manufacturing Made of Purchased Glass 500327310 Cement Manufacturing 750327320 Ready-Mix Concrete Manufacturing 500327331 Concrete Block and Brick Manufacturing 500327332 Concrete Pipe Manufacturing 500327390 Other Concrete Product Manufacturing 500327410 Lime Manufacturing 500327420 Gypsum Product Manufacturing 1,000327910 Abrasive Product Manufacturing 500327991 Cut Stone and Stone Product Manufacturing 500327992 Ground or Treated Mineral and Earth Manufacturing 500327993 Mineral Wool Manufacturing 750327999AllOtherMiscellaneousNonmetallicMineralProductManufacturing500Subsector 331 – Primary Metal Manufacturing331111 Iron and Steel Mills 1,000331112 Electrometallurgical Ferroalloy Product Manufacturing 750331210Iron and Steel Pipe and Tube Manufacturing fromPurchased Steel1 ,000331221 Rolled Steel Shape Manufacturing 1,000331222 Steel Wire Drawing 1,000331311 Alumina Refining 1,000331312 Primary Aluminum Production 1,000331314 Secondary Smelting and Alloying of Aluminum 750331315 Aluminum Sheet, Plate and Foil Manufacturing 750331316 Aluminum Extruded Product Manufacturing 750331319 Other Aluminum Rolling and Drawing 750331411 Primary Smelting and Refining of Copper 1,000331419Primary Smelting and Refining of Nonferrous Metal(except Copper and Aluminum)750331421 Copper Rolling, Drawing and Extruding 750331422 Copper Wire (except Mechanical) Drawing 1,000331423 Secondary Smelting, Refining, and Alloying of Copper 750331491Nonferrous Metal (except Copper and Aluminum)Rolling, Drawing and Extruding75013