| 2007 NAICS | 2012 NAICS | 2017 NAICS | Corresponding Index Entries | |||
| 238190 | 238190 | 238190 | Awning installation | |||
| 238190 | 238190 | 238190 | Balcony, metal, installation | |||
| 238190 | 238190 | 238190 | Cathodic protection, installation | |||
| 238190 | 238190 | 238190 | Concrete form contractors | |||
| 238190 | 238190 | 238190 | Curtain wall, metal, installation | |||
| 238190 | 238190 | 238190 | Deck and grate (except roof), metal, installation | |||
| 238190 | 238190 | 238190 | Decorative steel and wrought iron work installation | |||
| 238190 | 238190 | 238190 | Epoxy application contractors | |||
| 238190 | 238190 | 238190 | Erection and dismantling, poured concrete form | |||
| 238190 | 238190 | 238190 | Falsework construction | |||
| 238190 | 238190 | 238190 | Fire escape installation | |||
| 238190 | 238190 | 238190 | Forming contractor | |||
| 238190 | 238190 | 238190 | Forms for poured concrete, erecting and dismantling | |||
| 238190 | 238190 | 238190 | Metal furring contractors | |||
| 238190 | 238190 | 238190 | Ornamental metal work installation | |||
| 238190 | 238190 | 238190 | Shutter installation | |||
| 238190 | 238190 | 238190 | Stairway, metal, installation | |||
| 238190 | 238190 | 238190 | Storefront, metal or metal frame, installation | |||
| 238190 | 238190 | 238190 | Urethane slabjacking contractors | |||
| 238190 | 238190 | 238190 | Urethane soil stabilization contractors | |||
| 238190 | 238190 | 238190 | Welding, on-site, contractors |