| 2007 NAICS | 2012 NAICS | 2017 NAICS | Corresponding Index Entries | |||
| 321991 | 321991 | 321991 | Buildings, mobile, commercial use, manufacturing | |||
| 321991 | 321991 | 321991 | Houses, prefabricated mobile homes, manufacturing | |||
| 321991 | 321991 | 321991 | Manufactured (mobile) buildings for commercial use (e.g., banks, offices) manufacturing | |||
| 321991 | 321991 | 321991 | Manufactured (mobile) classrooms manufacturing | |||
| 321991 | 321991 | 321991 | Manufactured (mobile) homes manufacturing | |||
| 321991 | 321991 | 321991 | Mobile homes manufacturing |