| 2007 NAICS | 2012 NAICS | 2017 NAICS | Corresponding Index Entries | |||
| 332812 | 332812 | 332812 | Aluminum coating of metal products for the trade | |||
| 332812 | 332812 | 332812 | Bonderizing metal and metal products for the trade | |||
| 332812 | 332812 | 332812 | Chasing metals and metal products (except printing plates) for the trade | |||
| 332812 | 332812 | 332812 | Coating metals and metal products for the trade | |||
| 332812 | 332812 | 332812 | Coating of metal and metal products with plastics for the trade | |||
| 332812 | 332812 | 332812 | Enameling metals and metal products for the trade | |||
| 332812 | 332812 | 332812 | Engraving metals and metal products (except printing plates) for the trade | |||
| 332812 | 332812 | 332812 | Etching metals and metal products (except printing plates) for the trade | |||
| 332812 | 332812 | 332812 | Flocking metals and metal products for the trade | |||
| 332812 | 332812 | 332812 | Galvanizing metals and metal products for the trade | |||
| 332812 | 332812 | 332812 | Glazing metals and metal products for the trade | |||
| 332812 | 332812 | 332812 | Hot dip galvanizing metals and metal products for the trade | |||
| 332812 | 332812 | 332812 | Japanning metals and metal products for the trade | |||
| 332812 | 332812 | 332812 | Lacquering metals and metal products for the trade | |||
| 332812 | 332812 | 332812 | Painting metals and metal products for the trade | |||
| 332812 | 332812 | 332812 | Parkerizing metals and metal products for the trade | |||
| 332812 | 332812 | 332812 | Powder coating metals and metal products for the trade | |||
| 332812 | 332812 | 332812 | Rustproofing metals and metal products for the trade | |||
| 332812 | 332812 | 332812 | Sherardizing of metals and metal products for the trade | |||
| 332812 | 332812 | 332812 | Varnishing metals and metal products for the trade |