Founded in 1981, Ned Clyde Construction Inc. serves as an engineering contractor. Based in Concord, Calif., the firm specializes in soil-related problems, such as landslides, retaining structures, drainage, erosion control, underpinning and foundation corrective work. It caters to different sectors that include homeowners, corporations, bank, insurance companies/ adjustors, property management companies, real estate agents, attorneys and municipal/ state government bodies. The firm also provides design and construction services utilizing biostabilization techniques along with structural bank revetments. Concrete Foundation Installation, Install Retaining Walls, Sump Pump Installation, Retaining Walls, Retaining Walls, Pipe Piles.