| 2007 NAICS | 2012 NAICS | 2017 NAICS | Corresponding Index Entries | |||
| 331511 | 331511 | 331511 | Cast iron brake shoes, railroad, manufacturing | |||
| 331511 | 331511 | 331511 | Cast iron pipe and pipe fittings manufacturing | |||
| 331511 | 331511 | 331511 | Cast iron railroad car wheels manufacturing | |||
| 331511 | 331511 | 331511 | Castings, compacted graphite iron, unfinished, manufacturing | |||
| 331511 | 331511 | 331511 | Castings, malleable iron, unfinished, manufacturing | |||
| 331511 | 331511 | 331511 | Castings, unfinished iron (e.g., ductile, gray, malleable, semisteel), manufacturing | |||
| 331511 | 331511 | 331511 | Cooking utensils, cast iron, manufacturing | |||
| 331511 | 331511 | 331511 | Ductile iron castings, unfinished, manufacturing | |||
| 331511 | 331511 | 331511 | Ductile iron foundries | |||
| 331511 | 331511 | 331511 | Fittings, soil and pressure pipe, cast iron, manufacturing | |||
| 331511 | 331511 | 331511 | Foundries, iron (i.e., ductile, gray, malleable, semisteel) | |||
| 331511 | 331511 | 331511 | Gray iron foundries | |||
| 331511 | 331511 | 331511 | Industrial molds, steel ingot, manufacturing | |||
| 331511 | 331511 | 331511 | Iron castings, unfinished, manufacturing | |||
| 331511 | 331511 | 331511 | Iron foundries | |||
| 331511 | 331511 | 331511 | Malleable iron foundries | |||
| 331511 | 331511 | 331511 | Manhole covers, cast iron, manufacturing | |||
| 331511 | 331511 | 331511 | Molds for casting steel ingots manufacturing | |||
| 331511 | 331511 | 331511 | Molds, steel ingot, industrial, manufacturing | |||
| 331511 | 331511 | 331511 | Pearlitic castings, malleable iron, unfinished, manufacturing | |||
| 331511 | 331511 | 331511 | Pipe and pipe fittings, cast iron, manufacturing | |||
| 331511 | 331511 | 331511 | Pipe couplings, cast iron, manufacturing | |||
| 331511 | 331511 | 331511 | Rolling mill rolls, iron, manufacturing | |||
| 331511 | 331511 | 331511 | Semisteel foundries | |||
| 331511 | 331511 | 331511 | Sewer pipe, cast iron, manufacturing | |||
| 331511 | 331511 | 331511 | Soil pipe, cast iron, manufacturing | |||
| 331511 | 331511 | 331511 | Water pipe, cast iron, manufacturing |