Tri-Valley Concrete & Landscape Materials began as a landscaping materials supplier, but over the years it has evolved into a full-service landscaping company. It still sells landscaping supplies, such as bricks, stone slabs, small moss rocks, boulders, barks and decorative rocks.(These can be delivered to work sites). It additionally offers landscaping services such as: concrete and stone work, fireplaces, waterfalls, gazebos, decks, fences and BBQs.