Walls for Resting and Retaining Segmental retaining walls, natural stone or pavers, Pinnacle has worked with many different kinds of materials and we have completed retaining walls and hardscapes of all shapes and sizes. Case study → Magic is in the Plantings Our plant experts uncover gems and old favorites to give your landscape or planters seasonal charm. The magic is in the plantings. Case study → Take the Guesswork Out of Watering Our irrigation systems free you up to do the things you love and keep your landscape watered efficiently. Case study → Channel Water Beautifully Pinnacle experts successfully analyze drainage to channel water beautifully with systems that work and add value to your property. Case study →