SIC Code 3321 Gray and Ductile Iron Foundries




Establishments primarily engaged in manufacturing gray and ductile iron castings, including cast iron pressure and soil pipes and fittings. 

Illustrative Examples

  • Brake shoes, railroad: cast iron
  • Car wheels, railroad: chilled cast iron
  • Castings, compacted graphite iron
  • Castings, gray iron and semisteel
  • Cooking utensils, cast iron
  • Couplings, pipe: pressure and soil pipecast iron
  • Ductile iron castings
  • Elbows, pipe: pressure and soil pipecast iron
  • Fittings, soil and pressure pipe: cast iron
  • Foundries, gray iron and semisteel
  • Gas pipe, cast iron
  • Gray iron foundries
  • Ingot molds and stools
  • Manhole covers, metal
  • Nipples, pipe: pressure and soil pipe-cast iron
  • Nodular iron castings
  • Pipe and fittings, soil and pressure: cast iron
  • Railroad car wheels, chilled cast iron
  • Rolling mill rolls, iron: not machined
  • Sash balances, cast iron
  • Sewer pipe, cast iron
  • Water pipe, cast iron

Industry Leaders

Further Classification

6-digit SIC

  • 332101Foundries-iron (mfrs)
  • 332102Foundries-gray Iron (mfrs)
  • 332103Manhole Covers (manufacturers)
  • 332104Foundries-ductile Iron (mfrs)
  • 332105Sash Balances & Weights (manufacturers)
  • 332106Castings-iron (manufacturers)
  • 332107Foundries-nickel & Alloys (mfrs)
  • 332108Sewer Pipe-retail (mfrs)
  • 332198Gray & Ductile Iron Foundries (mfrs)

7-digit SIC

  • 3321001Gray & Ductile Iron Foundries Mfg
  • 3321002Castings-iron Mfg
  • 3321003Ductile Iron Castings
  • 3321004Foundries-iron Mfg
  • 3321005Cast Iron Pipe & Fittings
  • 3321006Foundries-gray Iron Mfg
  • 3321007Pressure Pipe & Fittings, Cast Iron
  • 3321008Foundries-ductile Iron Mfg
  • 3321009Sewer Pipe Mfg
  • 3321010Sash Balances & Weights Mfg
  • 3321011Soil Pipe & Fittings-cast Iron
  • 3321012Foundries-nickel & Alloys Mfg
  • 3321013Water Pipe, Cast Iron
  • 3321014Cooking Utensils, Cast Iron
  • 3321015Gray Iron Ingot Molds, Cast
  • 3321016Manhole Covers Mfg
  • 3321017Railroad Car Wheels & Brake Shoes, Cast Iron
  • 3321018Rolling Mill Rolls, Cast Iron

8-digit SIC

  • 33210000Gray And Ductile Iron Foundries
  • 33210100Cast Iron Pipe And Fittings
  • 33210101Pressure Pipe And Fittings, Cast Iron
  • 33210102Sewer Pipe, Cast Iron
  • 33210103Soil Pipe And Fittings: Cast Iron
  • 33210104Water Pipe, Cast Iron
  • 33219901Cooking Utensils, Cast Iron
  • 33219902Ductile Iron Castings
  • 33219903Gray Iron Castings, Nec
  • 33219904Gray Iron Ingot Molds, Cast
  • 33219905Manhole Covers, Metal
  • 33219906Railroad Car Wheels And Brake Shoes, Cast Iron
  • 33219907Rolling Mill Rolls, Cast Iron
Free Business Search - SIC 3321

Industry Overview

Total Companies:437

Est. Employment:5617

Related NAICS Codes