Many landscape design, hardscaping and outdoor living companies install contractors belong to a trade association, such as the Interlocking Concrete Pavement Institute, which offers a concrete paver installer certification. Such credentials indicate HNA features indoor and outdoor exhibits displaying state-of-the-art tools and products and trade floor demonstrations, and offers the latest technology. Hardscape North America is produced by the Interlocking Concrete Pavement Institute and endorsed by .
Gallery of interlocking patio pavers:
