Kleinfelder provides innovative, high-quality, efficient, and timely retaining wall engineering solutions for a variety of complex projects to a diverse group of clients nationwide.  We have extensive experience in preliminary planning, detailed design, construction management, construction observation and materials testing, maintenance, asset management, condition surveys, forensic evaluations, and repair services for all types of retaining walls—including cast-in-place concrete, sheet pile, mechanically stabilized earth (MSE), slurry walls, soldier piles, gabion, and soil-nail walls.