Hills products are available at a range of outlets, the most well known are Bunnings, Mitre 10, Stratco and Home Timber & Hardware. Being such an iconic brand, Hills products are stocked in most independent hardware retailers. See our Where to Buy page for a full list.
Also if you check out the "Our Products" section, we have all our current products listed. If you click in to each one, they will have some product features and specifications listed. In the specifications section we have listed a "Where to buy" section that shows the types of stores in particular, that stock this item.
As an example from the "Portable Clotheslines" section, see the below screenshot. 