Licenses and provides engineering for pre-cast concrete products including the T-Wall and Isogrid retaining wall systems.

Geotechnical subcontractor specializing in the design and construction of retaining wall and erosion control systems. Project portfolio and career opportunities. Pinnacle Design/Build Group, Inc. is an innovative geotechnical subcontractor specializing in the design and construction of retaining wall and erosion control systems. As one of the leading providers of these services in the United States, we differentiate ourselves from others in the marketplace by providing these solutions as a fully integrated package of engineering design, construction, and quality manufactured products. This turn-key approach delivers single source accountability, enhanced cost efficiency, shortened project duration, and overall peace of mind!