Establishments primarily engaged in the wholesale distribution of roofing and siding (except wood) and insulation materials.
- Asphalt felts and coatings-wholesale
- Felts, tarred-wholesale
- Fiberglass insulation materials-wholesale
- Insulation, thermal-wholesale
- Mineral wool insulation materials-wholesale
- Roofing, asphalt and sheet metal-wholesale
- Shingles except wood-wholesale
- Siding except wood-wholesale