Hold onto Gradient with Beauty Pinnacle's team has been building retaining walls for years and our expertise is significant. Case study → Pathways – Curved or Straight Pinnacle envisions your pathways - curved or straight, from here to there. Let us help you get your walk on with the right materials and expertise. Case study → Rock the Patio Nothing outlasts a solidly built stone outdoor living space. Set up the grill, enjoy the fire pit, rock the patio with a low maintenance, year round space. Case study → 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 →