Established in 1974, A & A Stepping Stone Manufacturing provides a variety of pavers, retaining walls and natural stones for residential and commercial applications. It provides a range of masonry products, including bricks, blocks, retaining wall systems, natural flagstones, architectural veneers and tools. The company offers landscaping supplies, such as landscape chips, sand, gravel and decorative boulders. Its facilities include a manufacturing plant, design center, stockyards and retail outlets. In addition, it offers paving blocks and bricks for the construction of driveways, entrances, garden walls, patios, steps, swimming pool decks and various other flat surfaces. It is located in Newcastle, Calif.