This major group includes establishments primarily engaged in the wholesale distribution of durable goods:

    501.  Motor vehicles and automotive parts and supplies;

    502.  Furniture and home furnishings;

    503.  Lumber and other construction materials;

    504.  Sporting, recreational, photographic and hobby goods, toys and supplies;

    505.  Metals and minerals (except petroleum);

    506.  Electrical goods;

    507  Hardware, and plumbing and heating equipment and supplies;

    508.  Machinery, equipment and supplies;

    509.  Miscellaneous durable goods. (Prior code § 11-20-051)