| Naics index | Naics index description |
|---|---|
| 423330 | Shingles (except wood) merchant wholesalers |
| 423330 | Siding (except wood) merchant wholesalers |
| 423330 | Soffit, building (except wood), merchant wholesalers |
| 423330 | Solar reflective film merchant wholesalers |
| 423330 | Sound insulation merchant wholesalers |
| 423330 | Tarred felts merchant wholesalers |
| 423330 | Thermal wrap, house, merchant wholesalers |
| 423330 | Vinyl siding merchant wholesalers |
| 423330 | Weatherstripping merchant wholesalers |
| 423390 | Architectural metalwork merchant wholesalers |