Establishments primarily engaged in the wholesale distribution of mobile homes and of construction materials, not elsewhere classified, including prefabricated buildings and glass. Establishments selling construction materials to the general public and known as retail in the trade are classified in Retail Trade, Industry 5211. Establishments primarily engaged in marketing heavy structural metal products are classified in Industry 5051.
- Architectural metalwork-wholesale
- Awnings-wholesale
- Fencing and accessories wire-wholesale
- Glass flat: except automotive-wholesale
- Grain storage bins-wholesale
- Metal buildings-wholesale
- Mobile homes-wholesale
- Plate glass-wholesale
- Prefabricated buildings-wholesale
- Septic tanks-wholesale
- Structural assemblies prefabricated: non-wood-wholesale
- Window glass-wholesale